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L-Tyrosine 1500 mg

product on market Capsule Vitamins of America Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

L-Tyrosine is a precursor to dopamine and norepinephrine, often used to support cognitive function during stressful conditions. Research evidence for these effects is generally considered limited to moderate. This ingredient is typically well-tolerated and maintains a high safety profile.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for L-Tyrosine 1500 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
60
Servings
Amino acid/Protein
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1500 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)

Other Ingredients

Silicon Dioxide Magnesium Stearate Rice Flour Hypromellose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: Adults take 3 capsules daily with food, or as recommended by your healthcare provider.

Warnings & Precautions

Caution: As with any dietary supplement, you should consult your healthcare provider before use, especially if pregnant, nursing, have a medical condition, taking medications, or have a known adverse reactions or allergies.

Caution: As with any dietary supplement, you should consult your healthcare provider before use, especially if pregnant, nursing, have a medical condition, taking medications, or have a known adverse reactions or allergies.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

Formulation Notes

Made in the USA of imported ingredients.

Mental alertness Brain support Glandular function

This product does not contain: Dairy, eggs, fish, shellfish, tree nuts, peanuts, wheat, soybeans, gluten. Non GMO Soy free Tree nut free Fish free

Vegan

Additional Information

Store in a cool, dry place.

GMP Certified

Metadata

Product Details

UPC / SKU7 51273 00023 4
DSLD Entry Date2021-12-18
Product TypeAmino acid/Protein
FormCapsule
DSLD ID257041
Data Updated2026-04-11
Research

Research Evidence

50
Research Sources
47
Avg Quality
28
Rct
13
Clinical Trial
5
Guideline
4
Systematic Review
A Using a Novel Consensus-Based Chemoinformatics Approach to Predict ADMET Properties and Druglikeness of Tyrosine Kinase Inhibitors.
Guideline International journal of molecular sciences 2025 PubMed DOI
B Australia and New Zealand consensus statement on the cardiovascular management of patients with chronic lymphocytic leukaemia treated with Bruton's tyrosine kinase inhibitors.
Guideline Internal medicine journal 2025 PubMed DOI
B Branched-chain amino acid supplementation for improving growth and development in term and preterm neonates
Systematic Review The Cochrane database of systematic reviews 2020 PubMed DOI
B [Clinical practice guideline on anaplastic lymphoma kinase-tyrosine kinase inhibitors for non-small cell lung cancer (2025 edition)].
Guideline Zhonghua zhong liu za zhi [Chinese journal of oncology] 2025 PubMed DOI
B [Chinese expert consensus on epidermal growth factor receptor tyrosine kinase inhibitors for the treatment of non-small cell lung cancer (2025 edition)].
Guideline Zhonghua yi xue za zhi 2025 PubMed DOI
B Consensus Guideline for the Diagnosis and Treatment of Tyrosine Hydroxylase (TH) Deficiency.
Guideline Journal of inherited metabolic disease 2025 PubMed DOI
B Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating
Rct Cognitive, affective & behavioral neuroscience 2020 PubMed DOI
B Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise
Rct Nutrients 2023 PubMed DOI
C Attenuating Muscle Damage Biomarkers and Muscle Soreness After an Exercise-Induced Muscle Damage with Branched-Chain Amino Acid (BCAA) Supplementation: A Systematic Review and Meta-analysis with Meta-regression
Systematic Review Sports medicine - open 2024 PubMed DOI
C The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review
Systematic Review Plant foods for human nutrition (Dordrecht, Netherlands) 2020 PubMed DOI
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.