L-Tyrosine Powder

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L-Tyrosine is a non-essential amino acid that is used in protein synthesis and for the biosynthesis of dopamine and norepinephrine and may interact with tyrosine kinase receptors. It has the chemical structure C9H11NO3 and has a molar mass of 181.191 g/mol.

L-Tyrosine Benefits and Uses

L-Tyrosine supplements are beneficial for improving tyrosine levels as an amino acid supplement. Anecdotally, it may offer benefits similar to other amino acid supplements and brain-boosters – for example, effects on mental performance and working memory.

L-Tyrosine is known by a variety of additional names, including:

  • Tyr
  • 2-Acetylamino-3-(4-Hydroxyphenyl)-Propanoic Acid
  • L-Tyrosine
  • Tirosina
  • 2-amino-3-(4-hydroxyphenyl)propionic acid

Scientific Consensus

L-Tyrosine is a non-essential amino acid and is considered safe for use by most people, when taken at the recommended serving size. Some side effects may include nausea, upset stomach, and headaches, at large servings.

L-Tyrosine supplements may affect thyroid hormone levels for people with an overactive thyroid.

Warning: There is not enough research about the safety of L-Tyrosine for pregnant and breastfeeding women. Do not use this supplement if you have any underlying medical conditions.

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The statements on this page have not been evaluated by the FDA. The products on this page are not intended to diagnose, treat, cure, or prevent any disease.

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Serving size is 500 mg. As a dietary supplement, take 1-2 servings up to 2 times per day. Please start with the lowest suggested single serving quantity to assess response.

Supplement Facts

Serving size: 500mg
Servings per container:
Amount per serving: % DV


500 mg
LiftMode offers a variety of unit sizes of HPLC-tested L-Tyrosine Powder, including a a 5g unit, a 100g unit, a 300g unit and a 1000g unit. Our L-Tyrosine Powder is of the highest quality.
Store securely in a dry cool location away from direct sunlight. Keep out of reach of children and pets. Do not take this or any other supplement, and instead consult doctor about use, if you are under the age of 18, pregnant or breastfeeding, taking prescription or OTC / nonprescription drugs, or if you have any known or suspected medical conditions. Do not use if product safety seal was damaged or missing upon receipt.
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Scientifically Tailored Ingredients

Tyrosine is a naturally occurring amino acid that is derived from another amino acid; Phenylalanine via biosynthesis. It helps promote the production of dopamine, adrenaline (as well as noradrenaline), and melanin.

L-Tyrosine can be used for improving cognitive function, stress management, and healthy mood.

– Improves Mood
– Boosts Cognition
– Combats Fatigue

Jongkees, B. J., Hommel, B., Kühn, S., & Colzato, L. S. (2015). Effect of tyrosine supplementation on clinical and healthy populations under stress or cognitive demands—A review. Journal of Psychiatric Research, 70, 50–57. doi:10.1016/j.jpsychires.2015.08.014

Bloemendaal, M., Froböse, M. I., Wegman, J., Zandbelt, B. B., van de Rest, O., Cools, R., & Aarts, E. (2018). Neuro-Cognitive Effects of Acute Tyrosine Administration on Reactive and Proactive Response Inhibition in Healthy Older Adults. eNeuro, 5(2), ENEURO.0035-17.2018. doi:10.1523/ENEURO.0035-17.2018

Young S. N. (2007). L-tyrosine to alleviate the effects of stress?. Journal of psychiatry & neuroscience : JPN, 32(3), 224.

van de Rest, O., Bloemendaal, M., de Heus, R., & Aarts, E. (2017). Dose-Dependent Effects of Oral Tyrosine Administration on Plasma Tyrosine Levels and Cognition in Aging. Nutrients, 9(12), 1279. doi:10.3390/nu9121279