🟢 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
120 Servings
Other Combinations Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

5 mg (294% DV)
📊 3.8× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 5mg UL 100mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 350mg

Other Ingredients

Microcrystalline Cellulose Bovine Gelatin Magnesium Stearate Silicon Dioxide

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years) No Allergies Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested use: Adults take 1 capsule 1-2 times a day, preferably with juice on an empty stomach or as directed by your qualified healthcare professional.

⚠️ Warnings & Precautions

Warning: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication (especially MAO inhibitors) or have a medical condition (especially bipolar or a history of malignant melanoma); if adverse reactions occur, discontinue use.

Warning: Consult a healthcare professional before using this product if you are pregnant, nursing, under the age of 18, are taking medication (especially MAO inhibitors) or have a medical condition (especially bipolar or a history of malignant melanoma); if adverse reactions occur, discontinue use.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

N-Acetyl Tyrosine is an acetylated derivative of the amino acid L-tyrosine. Acetylation enhances the solubility and stability of certain amino acids. N-Acetyl Tyrosine supports brain function by supporting the synthesis of the catecholamines norepinephrine and dopamine (neurotransmitters). Jarrow Formulas N-Acetyl Tyrosine also includes Vitamin B6, essential for amino acid metabolism and neurotransmitter synthesis.

Brain function Supports neurotransmitter synthesis

Non-GMO Gluten free

No wheat, gluten, soybeans, dairy, egg, fish/shellfish, peanuts/tree nuts or sesame.

Additional Information

Store in a cool, dry place.

Amino acid

Product Details

UPC / SKU 7 90011 15051 0
DSLD Entry Date 2024-04-23
Product Type Other Combinations
Form Capsule
DSLD ID 307703
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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