Bestseller No. 1
Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO
180 Reviews
Nutricost L-Tyrosine 500mg, 180 Capsules - Gluten Free & Non-GMO
  • 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
SaleBestseller No. 2
NOW Supplements, L-Tyrosine 750 mg, Supports Mental Alertness*, Neurotransmitter Support*, 90 Veg Capsules
  • 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
  • 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.*
Bestseller No. 3
BulkSupplements L-Tyrosine Powder (250 Grams)
1,037 Reviews
BulkSupplements L-Tyrosine Powder (250 Grams)
  • Promote healthy mood*
  • Support mental function*
  • Aid in maintaining healthy weight when taken in conjunction with a healthy diet and exercise*
Bestseller No. 4
Thorne Research - L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine - 90 Capsules
76 Reviews
Thorne Research - L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine - 90 Capsules
  • 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 Ð without gluten or other major allergens (eggs, tree nuts, peanuts). This product also contains no dairy, soy, yeast, fish, or shellfish.
SaleBestseller No. 5
Superior Labs – Pure Natural L-Tyrosine NonGMO – 500 mg, 120 Vegetable Capsules – Supports Mental Clarity – Promotes Alertness – Boosts Energy – Dietary Supplement for Stress & Anxiety Health
428 Reviews
Superior Labs – Pure Natural L-Tyrosine NonGMO – 500 mg, 120 Vegetable Capsules – Supports Mental Clarity – Promotes Alertness – Boosts Energy – Dietary Supplement for Stress & Anxiety Health
  • 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, MICROS - 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. ​
Bestseller No. 6
Amazing Formulas L Tyrosine - 500 mg, 180 Capsules - Supports Mental Alertness, Energy, Focus, Healthy Glandular Function and Balance
  • 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
SaleBestseller No. 7
Doctor's Best L-Tyrosine, Healthy Brain Function, Amino Acid, Healthy Glandular Function, Non-GMO, Gluten Free, 120 VC
  • 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.
Bestseller No. 8
Natural Source L-Tyrosine, 365 Capsules, 6 Month Supply, No Stearate or Rice Fillers, Made in USA, Undiluted & Additive-Free
  • PURE L-TYROSINE CAPSULES Naturally Support Glandular Function, Mental Alertness & a Positive Mood.*
  • NO STEARATES OR FILLERS Unlike our Competition, We Don’t Use Fillers. (Seriously, check out their labels.)
  • 6 MONTH SUPPLY: 365 CAPSULES & Over 160,000 Mg/Bottle. 2X More than Other Top Sellers.
  • MADE IN THE USA by a Bunch of Health Fanatics in Utah
  • LOVE IT OR IT'S FREE! We offer a HASSLE-FREE, 100% MONEY BACK GUARANTEE. Buy & Try with confidence.
Bestseller No. 9
Designs for Health L-Tyrosine 1200mg - Tyrosine + 100mg Vitamin C (120 Capsules)
38 Reviews
Designs for Health L-Tyrosine 1200mg - Tyrosine + 100mg Vitamin C (120 Capsules)
  • MAINTAIN TYROSINE LEVELS - Tyrosine metabolism declines with age, so, in addition to the tyrosine provided by the diet, supplemental tyrosine may be needed, along with higher doses of all the necessary cofactors - vitamin C, B6, folic acid, SAMe. *
  • SUPPORT NEUROTRANSMITTER PRODUCTION - Tyrosine is a non-essential amino acid synthesized in the body from the essential amino acid phenylalanine. The typical dietary amount provided by a 3 oz portion of animal protein is 0.3-1g of tyrosine. Tyrosine is the precursor amino acid from which the body makes dopamine (with vitamin B6 as a cofactor), which is converted to NE (norepinephrine) (with vitamin C as a cofactor) and then to E (epinephrine) (with SAMe as a cofactor). *
  • MAXIMIZE ABSORPTION - Tyrosine competes for uptake with other LNAA (large neutral amino acids), so to maximize absorption from the supplemented tyrosine into various tissues (such as the brain, adrenals, nerves), it should be taken on an empty stomach or two hours away from a protein-containing meal. *
  • ALWAYS PURE & EFFECTIVE PRODUCTS - This product is Vegetarian-Friendly, Non-GMO, and contains No Gluten, Dairy, or Soy. DFH is transitioning to tinted glass bottles. In addition to being more eco-conscious, tinted glass offers 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.
Bestseller No. 10
Nutricost N-Acetyl L-Tyrosine (NALT) 350mg, 120 Capsules - Gluten Free, Non-GMO
98 Reviews
Nutricost N-Acetyl L-Tyrosine (NALT) 350mg, 120 Capsules - Gluten Free, Non-GMO
  • 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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