L-Tyrosine®

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Serving Size: 2 Capsule(s) · 1 per day

Not Present

• 

  Designs for Health L- Tyrosine 120 Capsules

  Oakway Naturals5.0(5)

  $43.49
• 

  Nature's Craft L-Tyrosine

  Target4.8(154)

  $25.99
• 

  Adrenal Complex 240 Capsules

  Pure Integrative Pharmacy4.6(47)

  $50.97
• 

  Now Foods L- Tyrosine 750 mg 90 Capsules

  Walmart4.7(2700)

  $13.59
• 

  NOW Foods L- Tyrosine 500 mg 120 Capsules

  iHerb4.7(9300)

  $11.01
• 

  Designs for Health Neurolink

  Be Well Associates4.7(19)

  $66.00
• 

  L Tyrosine Capsules: The Change-Bringer in Your Life

  Micro Ingredients

  $18.95
• 

  The Vitamin Shoppe L-Tyrosine

  The Vitamin Shoppe4.7(71)

  $37.99

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• 4U Nutrition

  4.2 (43)

  Vitamin & supplements store

  Viale Isonzo, 28, 20135 Milano MI, Italy

  Directions+39 02 5411 8763

• Vitaminstore Milano (via Piero della Francesca)

  5.0 (413)

  Vitamin & supplements store

  V. Piero della Francesca, 51, 20154 Milano MI, Italy

  Directions+39 02 8396 4177

• OneFitStore

  4.9 (776)

  Vitamin & supplements store

  Via Valtellina, 40, 20159 Milano MI, Italy

  Directions+39 02 3594 4652

• Equilibra Store Milano

  4.8 (96)

  Vitamin & supplements store

  P.za Argentina, 1, 20124 Milano MI, Italy

  Directions+39 02 3962 7884

• Genesis Nutrition srl

  4.4 (16)

  Vitamin & supplements store

  Via Longa, 3, 20072 Fizzonasco MI, Italy

  Directions+39 02 9042 5117

• LongLife Nutritional Supplements

  4.5 (19)

  Vitamin & supplements store

  Via 2 Giugno, 60/A1, 20068 Peschiera Borromeo MI, Italy

  Directions+39 02 516 5531

• Vitaminstore Milano (via Imbonati)

  4.9 (154)

  Vitamin & supplements store

  Via Carlo Imbonati, 49, 20159 Milano MI, Italy

  Directions+39 02 6990 1203

• Vitaminstore Milano (via delle Forze Armate)

  3.0 (9)

  Vitamin & supplements store

  Via delle Forze Armate, 9, 20147 Milano MI, Italy

  Directions+39 02 4871 2388

• Computer-aided design and implementation of efficient biosynthetic pathways to produce high added-value products derived from tyrosine in Escherichia coli

  S Ferreira, A Balola, A Sveshnikova… - … in Bioengineering and …, 2024 - frontiersin.org

  … L-tyrosine was not more than 4 Å away from the oxygen of the carbonyl group of PLP, and that the hydroxyl group of L-tyrosine … databases, we found that L-tyrosine decarboxylase from …

  20249 citations

• Charting the path for l-tyrosine derivatives: from engineering strategies to microbial cell factories

  L Zhou, X Shi, H Jiang, Y Xia, H Yang, W Shen… - Natural Product …, 2026 - pubs.rsc.org

  … l-Tyrosine (l-Tyr) and its derivatives are high-value aromatic compounds with broad applications in food, pharmaceutical, and chemical industries. The traditional methods for producing …

  2026

• Dose-dependent effects of oral tyrosine administration on plasma tyrosine levels and cognition in aging

  O Van de Rest, M Bloemendaal, R De Heus, E Aarts - Nutrients, 2017 - mdpi.com

  The effects of tyrosine on plasma response and cognition in aging are unknown. We assessed the dose-dependent response to tyrosine administration in older adults in both plasma …

  201747 citations

• Effects of l-Tyrosine on working memory and inhibitory control are determined by DRD2 genotypes: A randomized controlled trial

  LS Colzato, L Steenbergen, R Sellaro, AK Stock… - Cortex, 2016 - Elsevier

  l-Tyrosine (TYR), the precursor of dopamine (DA), has been shown to enhance facets of cognitive control in situations with high cognitive demands. However some previous outcomes …

  201644 citations

• Tyrosine for mitigating stress and enhancing performance in healthy adult humans, a rapid evidence assessment of the literature

  S Attipoe, SA Zeno, C Lee, C Crawford… - Military …, 2015 - academic.oup.com

  … Produced in the liver and to some extent the brain, l-tyrosine is synthesized via hydroxylation of phenylalanine, an essential amino acid. Furthermore, l-tyrosine is the precursor of the …

  201575 citations

• Recent Advances in the Biological Synthesis of l-Tyrosine Derivatives by Genetically Engineered Microbes

  Y Song, B Han, Y Feng, Y Jiang, W Zhang… - ACS Synthetic …, 2025 - ACS Publications

  … based on high-production l-tyrosine strains and the other involves … It is worth noting that the de novo synthesis of most l-tyrosine-… (17) On the other hand, when using l-tyrosine as the …

  20259 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-06-25. DSLD Label ID: 22790. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.