Best L Tyrosine for 2025

By Customer Ratings

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Vitamins of America L Tyrosine - Natural Health Supplement for Good Mental Health and Cogn... Read Review

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Product Highlights

  • Involved in the formation of proteins, neurotransmitters
  • Provides mental alertness with focus and concentration
  • Delivers mental endurance during times of stress

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Thorne Research - L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and... Read Review

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Product Highlights

  • Mood: Promotes a positive mental state*
  • Stress: Supports healthy stress management*
  • Thyroid: Nutritional support for the thyroid gland*
  • Adrenals: Supports optimal adrenal function*
  • Free From: Every Thorne product is made with the purest possible ingredients - without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no soy, dairy, yeast, shellfish, or fish.
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Doctor's Best L-Tyrosine, Healthy Brain Function, Amino Acid, Healthy Glandular Function,... Read Review

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Product Highlights

  • DOCTOR’S BEST L-TYROSINE is a conditionally essential amino acid that is a precursor to the catecholamine transmitters dopamine, epinephrine, and norepinephrine. These are vital messengers for the brain and the body’s other nerve networks. The thyroid gland also needs tyrosine to make the vital hormone thyroxine.
  • COGNITIVE & MOOD SUPPORT - a dose of L-Tyrosine supports healthy brain function and the rest of the nervous system. The catecholamines are integral to central nervous system functions such as cognition, emotion, memory, movement, and regulation of glands that secrete hormones into the blood.
  • HEALTHY GLANDULAR FUNCTION – may help to relieve stress. L-Tyrosine is a non-essential amino acid that is an important role in the production of the neurotransmitters dopamine and norepinephrine. Tyrosine is essential for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine also supports healthy glandular function.
  • As essential dietary mineral, magnesium plays many important roles in the body which include helping cells produce metabolic energy, supporting optimum nerve function, helping muscles relax properly and maintaining a healthy heartbeat.
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
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GNC L-Tyrosine 1000mg, 60 Vegetarian Caplets, Supports Normal, Healthy Nervous System Acti... Read Review

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Pure Encapsulations L-Tyrosine | Amino Acid Supplement for Sleep, Thyroid Support, Cogniti... Read Review

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Product Highlights

  • Cognitive Support: l-Tyrosine promotes production of various neurotransmitters that support well-being and cognitive function.*
  • Occasional Stress Support: l-Tyrosine plays a role in promoting healthy neurotransmitter function in response to stress.*
  • Thyroid Support: Tyrosine is a key component in the synthesis of thyroid hormones.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
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NutraBio L-Tyrosine Powder, Healthy Energy Boost & Weight Loss, 500mg - 150 Grams Read Review

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Product Highlights

  • ENERGY AND WEIGHT LOSS – Tyrosine is an essential amino acid that can naturally support brain function, thyroid function, increase energy, and help with weight loss.
  • BOOST MENTAL ENERGY – Tyrosine supplements may help increase dopamine levels and adrenal function, improving mood. Tyrosine is used for dopamine and norepinephrine production, which can be depleted by stress.
  • FIGHT STRESS AND ANXIETY – Tyrosine helps the body produce hormones that are depleted by stress and studies have found that supplemented Tyrosine helps reduce perceptions of stress and may provide a feeling of well-being.
  • SUPERIOR QUALITY - NutraBio uses only the best, and this product is no exception. Our Tyrosine is non-GMO, gluten free, soy free, vegetarian, third-party tested, certified kosher, and made in the USA.
  • THIRD PARTY TESTED, FULL DISCLOSURE – Like all NutraBio products, our Tyrosine is tested by an independent third party lab to ensure it is both pure and meets our strict quality standards. All NutraBio products feature fully transparent labels with no proprietary blends.
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L-Tyrosine 500mg - Best Tyrosine Supplement - Pure, Natural, and Vegan Amino Acid - Suppor... Read Review

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Product Highlights

  • A SUPPLEMENT BRAND YOU CAN TRUST: No more searching for a supplement line that has EXACTLY what it says it has on the label. It doesn't have to be complex to find the fresh nutrients you want. At Elite Life Nutrition your health and safety is our #1 concern. We produce only the highest quality supplements in our state-of-the-art, GMP-Certified facilities and make sure that what we put in each and every bottle is EXACTLY what you need. Our supplement purity and quality is second to none.
  • NOT YOUR AVERAGE TYROSINE: Unlike so many other brands of l-tyrosine supplements that use inferior tablets and pills with additives, heavy metals, and extra non-absorbable ingredients, each one of our bioavailable capsules contain 500mg of vital l-tyrosine for optimum absorption and effect. Whether you're an active young man or woman, a parent with kids, or an older senior, our pure, natural, and healthy tyrosine will help ensure you're at your very best!
  • BENEFITS: Tyrosine is a powerful amino acid that supports healthy brain function and glandular function. It can also support mental clarity, alertness, and energy. In fact, l-tyrosine also promotes healthy neurotransmitter production and can help reduce stress and improve mood. An L-Tyrosine supplement like ours is critical to support your peak health and performance for many years to come.*
  • MANUFACTURED IN THE USA: All of our products are Made in America in a GMP-Certified facility under the highest possible standards and they're all third-party tested for purity and quality. We promise to keep our supplements as natural, whole foods based, and as close to organic as possible – the way nature intended. You can think of us as a 21st century garden of nutrition your grandmother would love.
  • CUSTOMER CARE PROMISE: Elite Life Nutrition offers complete customer satisfaction. Our reviews speak for themselves. If for any reason you are not absolutely thrilled with your product we will replace or refund your order, no questions asked. CONTACT US directly within 30 days of purchase and we will take care of you. We love to help!
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Now L-Tyrosine 500mg, 300 Capsules Read Review

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Product Highlights

  • ✅ HIGHER QUALITY: Upgrade to Pharmaceutical Grade Tyrosine with Now Foods
  • ✅ VALUE SIZE: 300 Caps of Free Form L Tyrosine. Other brands only have 200mg or 250mg. NOW has 500 mg.
  • ✅ BENEFITS: Supports Mental Alertness* and Healthy Glandular Function*
  • ✅ MADE IN THE USA
  • ✅ TRUSTED QUALITY. Non-GMO. Dairy-Free. Nut Free. Made in a GMP facility.
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Designs for Health L-Tyrosine 1200mg - Tyrosine + 100mg Vitamin C Supplement - Dopamine Pr... Read Review

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Product Highlights

  • Dopamine Precursor - Tyrosine is a non-essential amino acid and a precursor from which the body makes dopamine.*
  • Why Add Vitamin C? This formula provides 1200 mg of L-tyrosine, along with vitamin C for its role as a cofactor in neurotransmitter production.*
  • How to Maximize Absorption - Tyrosine is ideally taken on an empty stomach or two hours before a protein-containing meal to avoid competition with other amino acids for absorption.*
  • Always Pure & Effective Products - This product is Vegetarian-Friendly, Non-GMO, and contains No Gluten, Dairy, or Soy. Eco-conscious, tinted glass bottles offer a greater moisture barrier against moisture and oxygen, which helps protect nutrient viability.*
  • Over 50,000 Doctors Agree - Designs for Health is the physician's choice for top quality professional strength supplements since 1989. Our "Science First" philosophy ensures our products are based on the most recent research and use the highest quality raw ingredients.
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Superior Labs – Pure Natural L-Tyrosine NonGMO – 500 mg, 120 Vegetable Capsules – Supports... Read Review

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Product Highlights

  • 500mg PURE L-TYROSINE – Superior Labs’ L-Tyrosine is 100% pure. A potent 500 mg dosage helps maintain physical performance and elevate brain function.*
  • SUPPORTS MENTAL CLARITY – L-Tyrosine is one of 20 standard amino acids that synthesize proteins that are consumed by cells and produce mental clarity.*
  • ABSOLUTE PURITY - ZERO SYNTHETIC ADDITIVES, FILLERS, HEAVY METALS, ADULTERANTS - You will never see unnecessary additives such as stearates, dioxides, glycerides or fillers other brands use to make manufacturing cheaper, faster and easier. In addition, we put all ingredients and products through rigorous testing to make sure they are 100% free of contaminants.
  • UNQUESTIONABLE QUALITY - ALL PRODUCTS PRODUCED IN 3rd PARTY CERTIFIED NSF CERTIFIED FACILITIES - Few are and can pass the stringent standards of NSF. Our products are produced in facilities that have been 3rd party audited and certified for quality by NSF, one of the most stringent quality manufacturing assurance organizations in the industry.
  • NO RISK AND NO HASSLE - For almost a decade, we have been delighting Amazon customers. If you are not satisfied with the benefits, results, or are unsatisfied with the product in any other way, please contact us and we'll gladly refund your money in 48 hours or less. That's it - no questions, no hassle, no risk. ​
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Nova Nutritions L-Tyrosine 500 mg 180 Capsules - L Tyrosine 500MG for Mental Alertness, En... Read Review

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Product Highlights

  • HEALTHY GLANDULAR FUNCTION: L-Tyrosine is a non-essential amino acid that plays an important role in the production of the neurotransmitters dopamine and norepinephrine. In addition, because Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine supports it is also involved in healthy glandular function and stress response.
  • NEUROTRANSMITTER SUPPORT: All of the thyroid hormones that are responsible for metabolism regulation are synthesized from L-Tyrosine. These hormones are critical to protein synthesis, increasing the basal metabolic rate, regulating cell development and differentiation, promoting healthy bone growth and development of neurotransmitters.*
  • OUR TYROSINE SUPPLEMENT is free of fish, eggs, fish, peanuts, milk, soy, tree nuts and wheat so it fits right in your healthy eating plan
  • POWERFUL PURE DOSAGE: 500mg Pure Active L Tyrosine, 180 Capsules
  • 100% MONEY BACK GUARANTEE - We use only the finest ingredients, all of which are manufactured in our US, GMP compliant, state-of-the-art, facility. Every batch is laboratory tested for quality assurance. OUR GUARANTEE: We're very so confident that you'll love this product that we offer a 60-day, 100% money-back guarantee.
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Terry Naturally Thyroid Care Plus - 60 Capsules - Pack of 2 - Iodine + L-Tyrosine + Seleni... Read Review

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Product Highlights

  • Rejuvenate Your Thyroid; If you've noticed occasional fatigue, overall sluggishness, or simply don't feel the vibrant health you used to, Thyroid Care Plus is the answer
  • Three Key Forms of Iodine; Thyroid Care Plus contains iodine in three forms: potassium iodide, sodium iodide, and molecular iodine for thyroid hormone synthesis, which in turn supports a healthy metabolism, lustrous hair, and hormone balance
  • More Than Iodine; Thyroid Care Plus also contains L-Tyrosine and Selenium; These nutrients are required to promote active thyroid hormone function, which supports mental well-being and daily energy
  • Your Thyroid Needs Nutrients; Age, environmental factors, and family history can affect your thyroid; Thyroid Care Plus provides support for everyday energy, healthy metabolism, beautiful hair, hormone balance, and healthy weight management
  • The High-Quality Difference; All Terry Naturally products are manufactured to strict Good Manufacturing Practices (cGMP) set by the FDA and are produced with the highest quality ingredients
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Nutricost L-Tyrosine Powder 100 Grams (100 Servings) - 1G per Serving Read Review

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Product Highlights

  • High Quality L-Tyrosine Powder
  • 100 Grams Per Bottle
  • 1 Gram Per Scoop (Included)
  • Non-GMO, Gluten Free
  • Manufactured In a GMP Compliant, FDA Registered Facility
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Balance Breens Extra Strength L-Tyrosine 1000mg Supplement - Supports Cognitive Function,... Read Review

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Product Highlights

  • POWERFUL BRAIN FUNCTIONS: L-Tyrosine is an essential amino acid that helps supports MENTAL ALERTNESS, supports positive mood, helps you focus and concentrate.
  • SUPPORTS A HEALTHY MOOD: L-Tyrosine helps increase norepinephrine and dopamine in the brain, which can lead to increased energy, improved moods, thus supports mental health
  • THYROID SUPPORT: L-Tyrosine is an essential precursor to thyroid hormones and adrenal hormones. These hormones are critical to protein synthesis, increasing the basal metabolic rate, regulating cell development and supports overall adrenal health.
  • NOURISHING DIETARY SUPPLEMENTS: Each serving (2 capsule) of L-Tyrosine capsules, provides you with 1000 mg of L-Tyrosine. Available in a bottle of 90 pills, our dietary supplements for adults will last you for up to 45 DAYS OF DAILY USE.
  • MADE PROUDLY IN USA: Available in a bottle of 90 pills, our high potency L-Tyrosine supplement is made in USA. These Brain Support capsules are manufactured in a GMP certified facility under strict compliance with stringent quality standards – SAFE & RELIABLE! Both the raw materials and finished products are tested by accredited third-party labs, and we also provide premium customer service!
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Klaire Labs L-Tyrosine - 500 Milligrams Hypoallergenic & Free Form Amino Acid Dopamine Pre... Read Review

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Product Highlights

  • Hypoallergenic* formula supplies 500 mg of L-tyrosine USP per vegetarian capsule.
  • L-tyrosine is an important precursor for brain-stimulating catecholamines (dopamine, norepinephrine, and epinephrine) which support stress response mechanisms and the ability to concentrate.*
  • L-tyrosine is also used in the body's formation of thyroid hormones.
  • Free of the following common allergens: milk/casein, eggs, fish, shellfish, tree nuts, peanuts, wheat, gluten, and soybeans. Contains no artificial colors, flavors, or preservatives.
  • Trusted by healthcare practitioners since 1969, Klaire Labs products are developed closely with physicians and are intended to be used as directed by a healthcare practitioner.
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NOW Supplements, L-Tyrosine Powder, Free-Form, Neurotransmitter Support*, Amino Acid, 4-Ou... Read Review

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Product Highlights

  • PURE POWDER/HEALTHY GLANDULAR FUNCTION*: Necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-tyrosine supports healthy glandular function and stress response.*
  • SUPPORTS MENTAL ALERTNESS*: Plays an important role in the production of neurotransmitters dopamine and norepinephrine.*
  • CLASSIFICATIONS/CERTIFICATIONS: Kosher, Non-GMO
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968.
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
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Country Life L-Tyrosine Vegetarian Capsules 500mg with B-6, 100-Vegetarian Capsules Read Review

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Product Highlights

  • AUTHENTICITY OF INGREDIENTS - We always use a pure form of each ingredient and all our ingredients are laboratory tested to ensure accurate identification so you can be assured we use real, authentic ingredients.
  • CLEANLINESS OF INGREDIENTS - Ensuring our ingredients are completely clean is a top concern. Our manufacturing facility was one of the first NSF registered GMP facilities in the industry and maintains strict quality control towards this end. We also ensure every one of our products are certified gluten-free.
  • FRESHNESS OF INGREDIENTS - Because we manufacture our own products, our products go from tested raw material to manufacture good, to bottled and packaged products immediately so you can be assured of product potency throughout its shelf life.
  • CONSISTENCY OF THE FORMULA - Our manufacturing plant is NSF-GMP certified to ensure the best, consistent product formulations, with quality inspection at each stage of manufacturing to ensure our products remain uniform from batch to batch so you know it works the same each dose, but as we use natural ingredients, color variations may exist from batch to batch.
  • ACCURACY OF LABELING - We always ensure that if an ingredient appears on our supplement facts label, its in our product in the exact ratios and potency that our label says. We also ensure that if a product contains any known allergens, the label says so. No surprises.
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Micro Ingredients L-Tyrosine Powder, 1.1 Pound (500 Grams), Premium Tyrosine Pre Workout S... Read Review

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Product Highlights

  • Micro Ingredients L Tyrosine Supplement, Tyrosine Amino Acid, 500 Grams (1.1 Pounds), Non-GMO.
  • Support Production of Dopamine and Norepinephrine, Premium Tyrosine Muscle Recovery Supplements.
  • Promote Mental Alertness and Healthy Glandular Function.
  • No GMOs, No Preservatives, No Artificial Colors, No Flavors, No Soy and No Gluten.
  • 3rd Party Lab Tested for Purity and Safety.
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Swanson Amino Acid N-Acetyl L-Tyrosine 350 Milligrams 60 Capsules Read Review

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Product Highlights

  • Supports mood regulation

  • Helps maintain concentration

  • Supports increased absorption of tyrosine

  • Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
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Nutricost N-Acetyl L-Tyrosine (NALT) 350mg, 120 Capsules - Gluten Free, Non-GMO Read Review

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Product Highlights

  • 350mg Per Capsule (120 Servings)
  • 120 Capsules Per Bottle
  • Non-GMO and Gluten Free
  • High Quality N-Acetyl L-Tyrosine (NALT)
  • Manufactured In a GMP Compliant, FDA Registered Facility
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Jarrow Formulas N-Acetyl Tyrosine 350 mg - 120 Capsules, Pack of 2 - Supports Brain Functi... Read Review

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Product Highlights

  • N-Acetyl Tyrosine - N-Acetyl Tyrosine is an acetylated derivative of the amino acid L-tyrosine. Ordinary L-tyrosine is less stable & less soluble in water, which may result in reduced bioavailability. Acetylation enhances the solubility & stability.
  • Brain Function - N-Acetyl Tyrosine supports brain function by supporting the synthesis of norepinephrine and dopamine (neurotransmitters). Vitamin B6 is essential for amino acid metabolism.
  • Convenient Capsules - Take 1 capsule 1 or 2 times per day, preferably with juice on an empty stomach, or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation - The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.
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Now L-Tyrosine 500mg, 300 Capsules (Pack of 2) Read Review

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Product Highlights

  • ✅ HIGHER QUALITY: Upgrade to Pharmaceutical Grade Tyrosine with Now Foods
  • ✅ 2 BOTTLES OF 300 COUNT NOW Foods Free Form L Tyrosine. Other brands may only have 200mg or 250mg. NOW has 500 mg.
  • ✅ BENEFITS: Supports Mental Alertness* and Healthy Glandular Function*
  • ✅ MADE IN THE USA
  • ✅ TRUSTED QUALITY. Non-GMO. Dairy-Free. Nut Free. Made in a GMP facility.
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L-Tyrosine Powder (8 oz) Eco-Friendly Packaging, Cognition, Alertness, Sleep* Read Review

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Product Highlights

  • PURE L-Tyrosine may support healthy cognitive function*
  • Could improve alertness*
  • May help with sleeplessness and balance energy levels*
  • 100% Pure: Never any additives or fillers
  • Made in Utah, USA
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Solaray L-Tyrosine Veg Cap (Btl-Plastic) 500mg | 50ct Read Review

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Product Highlights

  • Let Solaray help you Shine
  • Our goal is to bring all of the earth's healthful nutrients to you
  • Every Solaray product is rigorously tested to ensure you get the results you expect
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Jarrow Formulas N-Acetyl Tyrosine 350 mg - 120 Capsules - Supports Brain Function - Contai... Read Review

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Product Highlights

  • N-Acetyl Tyrosine - N-Acetyl Tyrosine is an acetylated derivative of the amino acid L-tyrosine. Ordinary L-tyrosine is less stable & less soluble in water, which may result in reduced bioavailability. Acetylation enhances the solubility & stability.
  • Brain Function - N-Acetyl Tyrosine supports brain function by supporting the synthesis of norepinephrine and dopamine (neurotransmitters). Vitamin B6 is essential for amino acid metabolism.
  • Convenient Capsules - Take 1 capsule 1 or 2 times per day, preferably with juice on an empty stomach, or as directed by your qualified healthcare professional.
  • Superior Nutrition & Formulation - The goal of Jarrow Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements. Our customers can be assured of purity, value, and potency.
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L-Tyrosine Powder (1 lb) Eco-Friendly Packaging, 100% Pure, Cognitive Function, Alertness,... Read Review

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Product Highlights

  • L-Tyrosine may support healthy cognitive function*
  • Could improve alertness*
  • May help with sleeplessness and balance energy levels*
  • 100% Pure: Never any additives or fillers
  • Made in Utah, USA
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L-Tyrosine 500mg (240 Capsules) - No Stearates - Non GMO - Gluten Free Read Review

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Product Highlights

  • Contains No Stearates
  • Non GMO | Gluten Free
  • Manufactured and Lab Tested in the US
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Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO Read Review

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Product Highlights

  • 180 Capsules of L-Tyrosine Per bottle
  • 500mg of L-Tyrosine Per Capsule
  • High Quality L-Tyrosine
  • Non-GMO, Gluten Free
  • Manufactured In a GMP Compliant, FDA Registered Facility
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NatureBell L-Tyrosine Capsules, 1000mg Per Serving, 200 Capsules, Support Memory and Cogni... Read Review

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Product Highlights

  • 1000mg Per Serving (2 Capsules), 100 Servings, 3 Month Supply.
  • Supports Mental Alertness and Cognitive Health.
  • Promotes Glandular Health and Positive Mood.
  • No Gluten, No GMOs, No Soy, No Tree Nuts, No Dairy.
  • Produced in California, 3rd Party Lab Tested for Quality and Safety.
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L-Tyrosine 500 mg 120 Capsules (Pack of 2) Read Review

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Product Highlights

  • Contains no: sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.
  • Pack of 2 bottles, each with 120 capsules, for total of 240 capsules
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NOW Supplements, L-Tyrosine 750 mg, Supports Mental Alertness*, Neurotransmitter Support*,... Read Review

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Product Highlights

  • SUPPORTS MENTAL ALERTNESS*/NEUROTRANSMITTER SUPPORT: Required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin. Noradrenaline and adrenaline are the main actors in the body’s response to acute stress and with dopamine help support a positive mood and mental alertness.
  • PHARMACEUTICAL GRADE/HEALTHY GLANDULAR FUNCTION: L-Tyrosine is especially critical for the normal function of the thyroid gland.
  • CERTIFICATIONS/CLASSIFICATIONS: Dairy free, Egg free, Made without gluten, Non-GMO, nut free, soy free
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the now manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
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Best Naturals L-Tyrosine 500 Mg 180 Capsules - Supports Mental Alertness, Energy, Focus, H... Read Review

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Product Highlights

  • Best Naturals tyrosine for HEALTHY GLANDULAR FUNCTION: L-Tyrosine is a non-essential amino acid that plays an important role in the production of the neurotransmitters dopamine and norepinephrine. In addition, because Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), L-Tyrosine supports it is also involved in healthy glandular function and stress response.
  • Best Naturals L Tyrosine for NEUROTRANSMITTER SUPPORT: All of the thyroid hormones that are responsible for metabolism regulation are synthesized from L-Tyrosine. These hormones are critical to protein synthesis, increasing the basal metabolic rate, regulating cell development and differentiation, promoting healthy bone growth and development of neurotransmitters.
  • l-Tyrosine for Brain Function & Mental Alertness
  • No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish, No Sodium.
  • TOP QUALITY GMP CERTIFIED PRODUCTS - All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in USA - Purity & Potency Guaranteed
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
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Eagleshine Vitamins L-Tyrosine 500mg, 240 Capsules, Supports Mental Alertness, Attention a... Read Review

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Product Highlights

  • High Potency - L-Tyrosine 500mg Capsules is made with pure L-Tyrosine powder, each bottle come with 240 counts, 1 cap / per serving, up to 8 months supply of L-Tyrosine supplements.
  • Healthy Glandular Function - L-Tyrosine is an essential component for the production of several important brain chemicals called neurotransmitters, including epinephrine, norepinephrine, and dopamine. It may also regulate mood, relieve stress relief as well as promote sleep.
  • Healthy Thyroid Function & Energy - L-Tyrosine pills affect your body's ability to react to stress. Specifically, tyrosine helps your body conserve energy, while boosting low norepinephrine levels and monitoring your use of adrenaline.
  • Top Grade Quality - Gluten free, diary free, Non-GMO, No preservatives, No tree-nuts, No sugar, 3rd party tested.
  • Money Back Guarantee-60 Days Unconditional Money Back Guarantee
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L Tyrosine 1000MG Capsules - All-Natural L- Tyrosine Supplement for Focus & Energy Boost -... Read Review

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Product Highlights

  • 🔷 L-Tyrosine 1000mg Capsules - Alpha Flow L-Tyrosine supplement is specially created to help you perform and feel your best throughout the day, assisting with stress. Containing highly absorbing L Tyrosine free form, it releases stress levels and boosts energy so you can stay focused on important things experiencing no fatigue and brain fog!
  • 🔷 Natural Productivity Booster - Our l tyrosine capsules support the production of the neurotransmitters dopamine and serotonin, balancing mood and enhancing brain work. It helps to memorize and concentrate even in stressful situations. Boosting an ability to switch between tasks or thoughts, it also releases sleep issues for long-term relaxation your body needs.
  • 🔷 The Whole Body Support - The formula of our L Tyrosine supplement is powerful enough to increase your body defenses and responses while protecting the cells from free radicals. The daily intake will provide you with such health benefits as balanced thyroid and adrenal function, a strengthened immune system and much more!
  • 🔷 Premium Quality & Made In The USA - We are the company, aimed to create only the finest health-boosting supplement for customers all over the world. We take the quality of every product we sell above everything else. Every bottle of l - tyrosine is created in the USA and tested through 3d parties for purity and efficacy! Feel the difference with Alpha Flow.
  • 🔷 Every Customer Is Valued - Every of our L-Tyrosine supplements can be taken as a result of the highest grade manufacturing process, and we are sure of the quality of the products we sell. But if our product didn't meet your highest expectations, please feel free to contact us directly. Our customer support team will answer you in no time to improve your experience.
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Swanson Amino Acid L-Tyrosine 500 Milligrams 100 Capsules Read Review

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Product Highlights

  • Helps alleviate the effects of stress and support mental focus, cognitive function and memory health

  • Plays a role in the normal synthesis of dopamine and norepinephrine

  • Non-GMO
  • Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.
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NOW Foods L-Tyrosine 500 mg - 120 Capsules Read Review

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Product Highlights

  • NOW Foods
  • 0162
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L-Tyrosine 15000mg Gummies Memory Brain Supplement Chewables Happy Pills for Dopamine Sero... Read Review

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Product Highlights

  • Ltyrosine gummy is chewable amino acids supplements that help in production dopamine and serotonin.
  • 15 000mg it's incredible acid form better than 500mg 750mg 1000mg l-tryptophan and tyrosine capsules
  • Adults health support food antidepressants pills for women and men for mental focus pills
  • Gummies - sweet flavour sweet taste as opposed to caps pills spray powder anti depressant foods
  • CERTIFICATION - Dairy free, Egg free, Made in USA without gluten, Non-GMO, nut free, soy free.
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Solgar L-Tyrosine 500 mg, 100 Vegetable Capsules - Brain & Nervous System Support - Vegan,... Read Review

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Product Highlights

  • Brain Support; L-Tyrosine is an amino acid that supports nervous system nutrition, as it is a precursor of the neurotransmitters dopamine, norepinephrine & epinephrine
  • Optimal Absorption; This formulation provides 500 mg of free form L-Tyrosine to promote optimal absorption and assimilation
  • Gluten, Wheat & Dairy Free; Solgar L-Tyrosine is vegan, kosher, and free of: gluten, wheat, dairy, soy, yeast, sugar, sodium, artificial flavor, sweetener, preservatives, and color; Suitable for vegetarians
  • The Gold Standard: For over 70 years, Solgar has been committed to quality, health, and well-being. Our mission is to create the finest nutritional supplements in small batches, through tireless research, using only the finest raw materials
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BulkSupplements.com L-Tyrosine Powder - L-Tyrosine 500mg Supplement - Brain Juice - Focus... Read Review

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Product Highlights

  • PROMOTES HEALTHY MOOD* - L-Tyrosine is thought to help make dopamine, which regulates reward and pleasure centers and may help elevate mood. It is often used to replenish neurotransmitters before stress can deplete them. This may help people stay happier for longer periods.*
  • SUPPORTS MENTAL FUNCTION*- L-Tyrosine may help support mental alertness and is believed to turn into the brain chemicals dopamine and norepinephrine. It is also thought to improve concentration, mental performance and memory in stressful situations, as well as provide cognitive support and flexibility.* It has also been used as a brain focus supplement.*
  • SUPPORTS HEALTHY WEIGHT* - L-Tyrosine 500 mg may aid in maintaining healthy weight when taken in conjunction with a healthy diet and exercise.* It is often used in weight and pre-workout supplements and may be used in the production of thyroid hormones.*
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NOW Supplements L-Tyrosine 500 mg Supports Mental Alertness Neurotransmitter Support , 120... Read Review

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Product Highlights

  • SUPPORTS MENTAL ALERTNESS/NEUROTRANSMITTER SUPPORT: Required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin. Noradrenaline and adrenaline are the main actors in the body’s response to acute stress and with dopamine help support a positive mood and mental alertness.
  • PHARMACEUTICAL GRADE/HEALTHY GLANDULAR FUNCTION: L-Tyrosine is especially critical for the normal function of the thyroid gland.
  • CERTIFICATIONS/CLASSIFICATIONS: Dairy free, Egg free, made without gluten, Non-GMO, nut free, soy free
  • GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the now manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
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Amazing Formulas L Tyrosine - 500 mg, 180 Capsules - Supports Mental Alertness, Energy, Fo... Read Review

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Product Highlights

  • L-TYROSINE BENEFITS A Potent Dose Of L-Tyrosine Supports Healthy Brain Function &Mental Alertness, Healthy Glandular Function It May Also Help To Relieve Stress And Anxiety
  • THE SIMPLE SUPPLEMENT SOLUTION Just 1 to 3 of our l tyrosine 500mg capsules gives you all the l tyrosine you need!
  • FREE OF CHEMICAL ADDITIVES We never add artificial colors, flavors, sweeteners or preservatives to our l tyrosine supplement. Our supplement is free of unnecessary fillers and binders
  • MADE IN THE USA Amazing nutrition l tyrosine 500 milligram capsules are manufactured in the U.S. at a GMP certified facility, ensuring that our tyrosine capsules are of the absolute best quality
  • FITS PERFECTLY WITH YOUR HEALTHY LIFESTYLE Our Tyrosine 500 mg capsules are free of sugar, starch, corn, soy, egg, lactose, gluten, wheat, yeast, fish and sodium to fit most diet plans and perefrences
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JOYLI L Tyrosine Gummies - All-Natural L-Tyrosine 1000mg Gummies - Helps with Depression a... Read Review

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Product Highlights

  • 🔸【L Tyrosine Supplement】- Joyli L-Tyrosine is a powerful, nature-based support for brain wellness! Containing L Tyrosine 1000mg in a highly BioAvailable form, our gummies help stay alert throughout the day naturally assisting with concentration, focus, and memory. Working and studying with increased productivity have never been so easy!
  • 🔸【Stay Calm Even Under Stress】- Joyli l tyrosine gummies release the tension in your mind fast! As you know, L-Tyrosine supports the production of the neurotransmitters dopamine and serotonin, essential for healthy stress responses. Supplementing your body with this amino acid helps stay calm even while under stress.
  • 🔸【Natural Mood Enhancer】- Feel the difference with Joyli! Our natural and sweet gummies help balance your mood and eliminate such issues as rapid mood swings, loss of interest in normal activities, and restlessness. It positively works on the nervous system by neutralizing bad cortisol which causes unstable changes in mood.
  • 🔸【Essential For Body Nutrient】- Besides such impressive health benefits as enhancing brain work and mood, Joyli l-tyrosine supplement helps maintain better thyroid function and wellness. It regulates adrenal glands and encourages metabolic functions and energy levels. Bring positive energy with overall wellness into your life!
  • 🔸【American Top Quality】- Joyli is dedicated to creating only Top Quality dietary supplements that help live much happier and healthier. That's why we produce every our product under the strictest manufacturing control in the USA, following GMP compliance. Our gummies are free from cheap synthetic additives, contain no dairy or gluten, and are absolutely Non-GMO!
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Source Naturals L-Tyrosine -Free Form Amino Acid Supplement - 100 Tablets Read Review

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Product Highlights

  • L-TYROSINE BENEFITS. Source Naturals L-Tyrosine is a free-form amino acid which rapidly crosses the blood-brain barrier. It is a precursor for the neurotransmitters dopamine, norepinephrine, and epinephrine, for thyroid hormones, and for enkephalins, special peptides which subdue messages of physical discomfort. L-Tyrosine is also a precursor for the protective skin pigment melanin.
  • SUGGESTED USE. 1 tablet daily.
  • WELL MADE SUPPLEMENT. Contains no yeast, dairy, gluten, egg, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
  • TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each individual's potential to enjoy optimal health.
  • MANUFACTURED IN THE USA. Our facility is located in Scotts Valley California.
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Now Foods: L-Tyrosine Neurotransmitter Support 750 mg, 90 Caps (2 pack) Read Review

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Product Highlights

  • 90 Capsules
  • Serving Size: 1 Capsule
  • 90 Servings Per Container
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Micro Ingredients L Tyrosine Pills, 1000mg Per Serving, 240 Capsules, Premium Tyrosine Pre... Read Review

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Product Highlights

  • Micro Ingredients L Tyrosine Supplement, Tyrosine Amino Acid, 1000mg Per Serving, 240 Capsules, Non-GMO.
  • Support Production of Dopamine and Norepinephrine, Premium Tyrosine Muscle Recovery Supplements.
  • Promote Mental Alertness and Healthy Glandular Function.
  • No GMOs, No Preservatives, No Artificial Colors, No Flavors, No Soy and No Gluten.
  • 3rd Party Lab Tested for Purity and Safety.
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Vitamatic L-Tyrosine 500 mg 180 Veg Capsules - Supports Mental Clarity – Promotes Alertnes... Read Review

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Product Highlights

  • Supports Mental Alertness and Healthy Glandular Function.
  • Promotes Healthy Production of Dopamine and Norepinephrine
  • Non-GMO formula - Gluten Free
  • Free of sugar, starch, soy, yeast, corn, wheat, egg, artificial color, flavor & preservatives.
  • Made in the USA with Strict GMP standards.
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L-Tyrosine (365 Capsules) No Stearates or Rice Fillers, Cognition, Sleep, Alertness* Read Review

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Product Highlights

  • PURE L-Tyrosine may support healthy cognitive function and alertness*
  • May also help with sleeplessness*
  • No stearates or rice fillers
  • 365 Day supply: 1 Year of peak health support
  • Made in the USA
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NOW Foods Supplements, L-Lysine (L-Lysine Hydrochloride) 1,000 mg, Double Strength, Amino... Read Review

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Product Highlights

  • Double strength vegan tablets/essential amino acid: Lysine is an essential amino acid that must be obtained through diet or supplementation.
  • SUPPORTS COLLAGEN SYNTHESIS: Necessary for the production of all proteins in the body and is required for the maintenance of the structural proteins collagen and elastin.Keep out of reach of children
  • Certifications/classifications: Soy free, non-GMO, vegan/vegetarian, nut free, made without gluten, dairy free, egg free, kosher.
  • GMP quality assured: NPA A-rated GMP certification means that every aspect of the now manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
  • Packaged in the USA by a family owned and operated company since 1968
  • During the summer months products may arrive warm, but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
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Best Naturals L-Tyrosine 500 mg 90 Capsules - Supports Mental Alertness*, Neurotransmitter... Read Review

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Product Highlights

  • PREMIUM FORMULA - Our Tyrosine Capsules are the made with high quality L-Tyrosine Amino Acid
  • Supports Healthy Glandular Function* - Supports mental alertness* - Supports brain function*
  • No Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish
  • All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in the USA
  • 3rd Party Lab Tested - Our All Best Naturals Products come with 3rd Party Independent Lab Tested
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L-Tyrosine (730 Capsules) No Stearates or Rice Fillers, Cognition, Sleep, Alertness* Read Review

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Product Highlights

  • PURE L-Tyrosine may support healthy cognitive function and alertness*
  • May also help with sleeplessness*
  • No stearates or rice fillers
  • 730 Day supply: 2 Years of peak health support
  • Made in the USA
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N-Acetyl L-Tyrosine Capsules | 350mg | 240 Count | NALT | Amino Acid Supplement | Natural... Read Review

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Product Highlights

  • N-Acetyl L-Tyrosine Capsules | 350mg | NALT
  • PROMOTE COGNITIVE FUNCTION: NALT affects important neurotransmitters, pathways, and hormones in the brain.
  • IN HOUSE LAB TESTING FOR PURITY AND IDENTITY: All bulk powders are are tested prior to packaging and/or encapsulation by a trained full time analytical chemist.
  • SUPPORT HEALTHY STRESS LEVELS AND FOCUS: Tyrosine is a precursor to monoamine and catecholamine neurotransmitters which help dial in focus and motivation. These neurotransmitters play important roles in various processes in the body, notably promoting our ability to stay on task, allowing us to get more stuff done! Furthermore, N-Acetyl L-Tyrosine appears to have better mood promoting effects than plain old L-Tyrosine, making it the preferred Tyrosine supplement amongst Nootropic enthusiasts!

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