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N-Acetyl L-Tyrosine

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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

N-Acetyl L-Tyrosine is a derivative of the amino acid tyrosine used to support cognitive function and focus. Research evidence for this specific acetylated form is limited compared to standard L-Tyrosine. It is generally recognized as safe for supplementation.

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

Label

Product Label

Label for N-Acetyl L-Tyrosine
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

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

Other Ingredients

None
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a dietary supplement, take 400 mg (about 1/5 tsp) once daily, or as directed by a physician.

Warnings & Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Formulation Notes

(NALT)

Free of: Added sugar, soy, dairy, yeast, gluten, additives

Additional Information

Clean & Pure Bulk Supplements

Store in a dry, cool place

Metadata

Product Details

UPC / SKUX000HSSKCL
DSLD Entry Date2021-10-22
Product TypeNon-Nutrient/Non-Botanical
FormPowder
BrandBulkSupplements.com
DSLD ID253983
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
View all evidence for Tyrosine →
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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.