• Jarrow Formulas N-Acetyl Tyrosine, Supports Brain Function, 350 mg, 120 Caps

    N-Acetyl Tyrosine is an acetylated derivative of the amino acid L-tyrosine. Ordinary L-tyrosine is less stable and also less soluble in water; which may result in reduced bioavailability. Acetylation enhances the solubility and stability of certain amino acids.* N-Acetyl Tyrosine supports brain function by improving the synthesis of the catecholamines norepinephrine and dopamine (neurotransmitters).* Keep out of the reach of children.

    • ASIN: B0013OSJC8
    • UPC: 790011150510
    • ASIN: B0013OSJC8
    • Brand: Jarrow
    • Size: 120 Capsules
    • Manufacturer: Jarrow Formulas

  • NOW Supplements, L-Tyrosine 500 mg, 120 Capsules

    L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin.* Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors in the body’s response to acute stress and, along with dopamine, help to support a positive mood and mental alertness.* In addition, L-Tyrosine is especially critical for the normal function of the thyroid gland.* The L-Tyrosine used in this product is Pharmaceutical Grade.

    • ASIN: B0013OUPSE
    • UPC: 885721287080
    • ASIN: B0013OUPSE
    • Brand: NOW Foods
    • Size: 120 Count
    • Manufacturer: NOW Foods

  • Now Supplements, L-Tyrosine 750 mg, 90 Veg Capsules

    L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin.* Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors in the body’s response to acute stress and, along with dopamine, help to support a positive mood and mental alertness.* In addition, L-Tyrosine is especially critical for the normal function of the thyroid gland.* The L-Tyrosine used in this product is Pharmaceutical Grade.

    • ASIN: B0019LWVLA
    • UPC: 733739001658
    • ASIN: B0019LWVLA
    • Brand: NOW Foods
    • Size: 90
    • Manufacturer: NOW Foods

  • Now L-Tyrosine 500mg, 300 Capsules

    NOW L Tyrosine 500 MG - 300 Capsules ◆ Why Take an L-tyrosine Supplement? ✔ L-Tyrosine is a non-essential amino acid that plays an important role in the production of neurotransmitters dopamine and norepinephrine. In addition, because I Tyrosine is necessary for the synthesis of thyroid hormone and epinephrine (adrenaline), LTyrosine pills support healthy glandular function and stress response.* ✔ L-Tyrosine powder is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, me... [Read More]

    • ASIN: B07HPD2K8K
    • UPC: 733739149374
    • ASIN: B07HPD2K8K
    • Brand: NOW Foods
    • Size: 300 Count
    • Manufacturer: Now Foods

  • Pure Encapsulations - l-Tyrosine - Neurotransmitter Precursor for Mood and Memory - 90 Capsules

    L-Tyrosine plays a role in promoting healthy neurotransmitter function in response to environmental and emotional stress. Research has indicated its potential to promote cognitive function and memory under stressful conditions. In one study, L-tyrosine enhanced mood and sleep in subjects with low dopamine levels. Tyrosine is also a key component in the synthesis of thyroid hormones.

    • ASIN: B0064QN3NU
    • UPC: 766298005263
    • ASIN: B0064QN3NU
    • Brand: Pure Encapsulations
    • Manufacturer: Pure Encapsulations

  • 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

    Superior Labs' natural dietary supplements are made with the end user as our top priority. This is why we place an emphasis on quality in every aspect of our natural L-Tyrosine non-GMO supplement. L-Tyrosine, or 4-hydroxyphenylalanine as it's also known, is one of the twenty standard amino acids that synthesize the proteins consumed by cells to support mental clarity. L-Tyrosine also helps to boost energy and promote alertness.* Superior Labs' potent 500 mg dosage helps maintain brain function and physical performance as well.* Our L-Tyrosine formula contains no added fillers or excipients suc... [Read More]

    • ASIN: B00R5ECC1Y
    • UPC: 794168605244
    • ASIN: B00R5ECC1Y
    • Brand: Superior Labs
    • Manufacturer: Superior Labs

  • Thorne Research - L-Tyrosine - Amino Acid Supplement to Support Production of Dopamine and Norepinephrine - 90 Capsules

    To support the body's production of neurotransmitters (brain chemicals) and thyroid hormones. Since 1984, Thorne has set the standard for the exceptional formulation and quality manufacturing of nutritional supplements. Thorne delivers premium, science-based products, a health diagnostics technology platform, and the latest in medical education. With more than 350 products, Thorne is the most dispensed brand by 30-40 year old health-care practitioners. Thorne is dedicated to improving the health of our community as well as increasing the knowledge of nutritional health and wellness. Since 201... [Read More]

    • ASIN: B000VYQK4A
    • UPC: 885430099776
    • ASIN: B000VYQK4A
    • Brand: Thorne Research
    • Size: 90 Count
    • Manufacturer: Thorne Research

  • BulkSupplements L-Tyrosine Powder (500 Grams)

    Tyrosine is one of the non-essential amino acids. L-Tyrosine is trad

    • ASIN: B00ENQL6A0
    • UPC: 849720006141
    • ASIN: B00ENQL6A0
    • Brand: BulkSupplements
    • Size: 500 grams (17.6 oz) Powder
    • Manufacturer: Bulksupplements

  • Amazing Formulas L Tyrosine - 500 mg, 180 Capsules - Supports Mental Alertness, Energy, Focus, Healthy Glandular Function and Balance

    L-tyrosine is an amino acid, a nutrient that is needed to manufacture proteins. Your body needs tyrosine for a number of important tasks. The amino acid tyrosine is known to play a role in:-Producing the important brain chemicals dopamine and norepinephrine*- Manufacturing the thyroid hormone and adrenaline*- Regulating the amount of the stress hormone cortisol in the body*- Producing pigments that give hair and skin its color*Because of the many functions of l tyrosine, health care professionals frequently recommend tyrosine supplements to patients. An l tyrosine supplement may:- Help the bra... [Read More]

    • ASIN: B014980ME2
    • UPC: 767674362246
    • ASIN: B014980ME2
    • Brand: Amazing Nutrition
    • Size: 180 count
    • Manufacturer: Amazing Nutrition

  • Nutricost L-Tyrosine 500mg, 180 Capsules

    Nutricost's L-Tyrosine capsules contains 180 capsules each containing 500mg of L-Tyrosine. L-Tyrosine is a non-essential amino acid.

    • ASIN: B01AMSMDY0
    • UPC: 757183797097
    • ASIN: B01AMSMDY0
    • Brand: Nutricost
    • Size: 1 Bottle
    • Manufacturer: Nutricost

  • GNC L-Tyrosine 1000mg, 60 Caplets, Supports Normal, Healthy Nervous System Activity

    Supports Normal, Healthy Nervous System Activity.

    • ASIN: B007SEKP8S
    • UPC: 048107123727
    • ASIN: B007SEKP8S
    • Brand: GNC
    • Size: No Size
    • Manufacturer: GNC

  • Country Life - L-Tyrosine 500mg with Vitamin B-6 - 100 Vegetarian Capsules

    Country Life L-Tyrosine Vegetarian Capsules is a free form amino acid supplement with B-6. It aids in the utilization of Tyrosine.

    • ASIN: B001185XGQ
    • UPC: 784922964816
    • ASIN: B001185XGQ
    • Brand: Country Life
    • Size: 100 Count
    • Manufacturer: Country Life

  • Source Naturals N-Acetyl L-Tyrosine 300mg Free Form Amino Acid - 120 Tablets

    N-Acetyl L-Tyrosine

    • ASIN: B000GFSV28
    • UPC: 021078002178
    • ASIN: B000GFSV28
    • Brand: Source Naturals
    • Size: 120 Tablets
    • Manufacturer: Source Naturals

  • Designs for Health L-Tyrosine 1200 Milligrams - Tyrosine + 100 Milligrams Vitamin C (120 Capsules)

    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 ranges from 0.3 g to 1 g of tyrosine. Tyrosine is the precursor amino acid from which the body makes dopamine (with vitamin B6 as a cofactor), which is then converted to norepinephrine (with vitamin C as a cofactor) and then to epinephrine (with SAMe as a cofactor). Made with non-GMO ingredients.DESIGNS FOR HEALTH: Since 1989, Designs for Health has been the health care professional's trusted source for research-back... [Read More]

    • ASIN: B00BMKNXQU
    • UPC: 879452003828
    • ASIN: B00BMKNXQU
    • Brand: designs for health
    • Manufacturer: Designs for Health

  • L-Tyrosine 500mg - Best Tyrosine Supplement - Pure, Natural, and Vegan Amino Acid - Supports Healthy Brain Function, Stress, and Mood, Plus Optimum Mental Clarity, Alertness, and Energy - 120 Capsules

    Elite Life Nutrition's L-Tyrosine provides 500mg per serving of superior and easy to absorb tyrosine. Formulated with the best USA Made tyrosine in all the land, our L-Tyrosine is consumed with ease and efficacy. We've cut out all the extra fillers, additives, heavy metals, toxins, and additional junk found in so many other tyrosine formulas on the market. In fact, you can compare our "Other Ingredients" to that of any other l-tyrosine brand out there because we pride ourselves in having only what's necessary to ensure the quality of each and every serving. All Elite Life Nutrition products ... [Read More]

    • ASIN: B07PR83MMZ
    • UPC: 860001282016
    • ASIN: B07PR83MMZ
    • Brand: Elite Life Nutrition
    • Manufacturer: Elite Life Nutrition

  • NOW Foods - L-Tyrosine Free Form 500 mg. - 60 Capsules

    NOW Foods L-Tyrosine Free Form 500 mg - 60 Capsules Now Foods Tyrosine is a non-essential amino acid that plays an important role in the production of the neurotransmitters dopamine and norepinephrine. In addition, because Now

    • UPC: 39452862
    • Model: 0160
    • Size: 60 Capsules60
    • Rating: 5.0

  • Nutricost L-Tyrosine 500mg, 180 Capsules - Non-GMO & Gluten Free

    Nutricost's L-Tyrosine capsules contains 180 capsules, each with 500mg of L-Tyrosine. L-Tyrosine is a non-essential amino acid.Tyrosine is the most abundant amino acid found within the body, and is especially critical because it is the

    • UPC: 662565227
    • Color: White
    • Rating: 5.0

  • NOW Supplements, L-Tyrosine 750 mg, 90 Veg Capsules

    L-Tyrosine is a conditionally indispensable amino acid required for the production of the neurotransmitters dopamine, adrenaline, and noradrenaline, as well as for the skin pigment, melanin.* Noradrenaline (norepinephrine) and adrenaline (epinephrine) are the main actors

    • UPC: 40703759
    • Model: 002QGAJULCEATFD
    • Color: White
    • Rating: 4.25

  • Swanson N-Acetyl L-Tyrosine 350 mg 60 Caps

    Our N-Acetyl L-Tyrosine supplement is a fast- acting form of this important amino that is better absorbed and more completely utilized than other supplemental

    • UPC: 113672088
    • Model: SW1408

  • Doctor's Best L-Tyrosine, Non-GMO, Gluten Free, 120 Veggie Caps

    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

    • UPC: 44124620
    • Model: 00EDII92PCLKO34
    • Rating: 5.0

  • Amazing Formulas L-Tyrosine 500 Mg 180 Capsules

    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

    • UPC: 347022910
    • Model: 810180023528

  • Spring Valley L-Lysine Tablets, 500 mg, 250 Ct

    Strengthen your immune system with Spring Valley 500 mg L-Lysine. An essential amino acid, Spring Valley lysine vitamins aid your body in calcium absorption for strong bones, and help to formulate other proteins essential to

    • UPC: 10315363
    • Model: 44481
    • Size: 500500 mg
    • Rating: 4.571

  • Now Foods - L-TYROSINE, 500MG, 60 Capsules - 2 Packs

    Now Foods - L-TYROSINE, 500MG, 60 Capsules - 2

    • UPC: 826198749

  • Nova Nutritions L-Tyrosine 500 mg 180 Capsules

    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

    • UPC: 711313714
    • Color: White

  • Doctor's Best L-Theanine with Suntheanine , Non-GMO, Gluten Free, Vegan, Helps Reduce Stress and Sleep, 150 mg 90 Veggie Caps

    Doctor’s Best L-Theanine with Suntheanine® is an amino acid that promotes a relaxed state without drowsiness, eases stress and everyday tension, and promotes a positive mood and alertness.* The formula uses L-Theanine with Suntheanine®, a

    • UPC: 106748868
    • Model: 00RRI61LDGISSB7
    • Size: Single Bottle
    • Rating: 4.333

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