🟢 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

400 mg Serving Size
250 Servings
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 400mg

Other Ingredients

None

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (78% of products) Nutrient (56% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Recommended Use: As a dietary supplement, mix 1 scoop daily with 8-12 oz of water or as directed by your physician.

⚠️ Warnings & Precautions

Warning: For healthy individuals 18 years and older.

Consult a physician prior to use if you are pregnant or nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Do not use if safety seal is broken or missing.

🧪 Formulation Notes

Contents are sold by weight, not volume. Some settling may occur.

N-Acetyl L-Tyrosine 400 mg per serving

Non-GMO Gluten-Free product

Additional Information

Notice: Store in a cool, dry place.

Quality Guaranteed Nutricost

Third Party Tested

Product Details

UPC / SKU 7 02669 93108 3
DSLD Entry Date 2022-07-21
Product Type Non-Nutrient/Non-Botanical
Form Powder
Brand Nutricost
DSLD ID 272745
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.
Guideline International journal of molecular sciences 2025
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
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
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
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
B Consensus Guideline for the Diagnosis and Treatment of Tyrosine Hydroxylase (TH) Deficiency.
Guideline Journal of inherited metabolic disease 2025
B Baseline-dependent effect of dopamine's precursor L-tyrosine on working memory gating but not updating
Rct Cognitive, affective & behavioral neuroscience 2020
B Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise
Rct Nutrients 2023
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
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
View all evidence for Tyrosine →

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