L-Tyrosine
100/100
This product looks safe
- No ingredients exceed tolerable upper intake levels
- 100% of ingredients have research evidence
A
Label Compliance Grade
Product Label
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Label Data
1 Capsule(s)
Serving Size
100
Servings
Amino acid/Protein
Product Type
100%
Evidence Coverage
Supplement Facts — Evidence Check
800 mg
📊 Market median: 500.0mg (223 products)
📚 22 studies (Tier A: 0, B: 1)
Other Ingredients
Gelatin
Cellulose
Water
Magnesium Stearate
Silica
Label Claims — Verification
❓
All Other
All Other (98% of products)
Structure/Function (78% of products)
Nutrient (56% of products)
Target Groups
Adult (18 - 50 Years)
Product Information
📋 Directions for Use
Suggested Use: As a dietary supplement, adults take 1 to 4 capsules daily between meals or as directed by physician.
It is recommended that this product be taken in conjunction with vitamins and minerals.
⚠️ Warnings & Precautions
Do not take with dairy products.
KEEP OUT OF REACH OF CHILDREN.
Tamper resistant package, do not use if outer seal is missing.
Additional Information
For optimal storage conditions, store in a cool, dry place. (59°-77°F/15°-25°C) (35-65% relative humidity)
TYR
Product Details
UPC / SKU
7 45287 06050 6
DSLD Entry Date
2012-04-26
Product Type
Amino acid/Protein
Form
Capsule
Brand
Douglas Laboratories
DSLD ID
8055
Data Updated
2026-04-11
Research Evidence
50
Research Sources
47
Avg Quality Score
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.
B
Australia and New Zealand consensus statement on the cardiovascular management of patients with chronic lymphocytic leukaemia treated with Bruton's tyrosine kinase inhibitors.
B
Branched-chain amino acid supplementation for improving growth and development in term and preterm neonates
B
[Clinical practice guideline on anaplastic lymphoma kinase-tyrosine kinase inhibitors for non-small cell lung cancer (2025 edition)].
B
[Chinese expert consensus on epidermal growth factor receptor tyrosine kinase inhibitors for the treatment of non-small cell lung cancer (2025 edition)].
B
Consensus Guideline for the Diagnosis and Treatment of Tyrosine Hydroxylase (TH) Deficiency.
B
Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating
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
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