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Pure L-Tyrosine Free Form Amino Powder

product on market Powder Hard Rhino 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, with moderate evidence suggesting it may support cognitive performance during stressful conditions. Research indicates it is generally well-tolerated when used as a dietary supplement. However, overall evidence coverage for this specific formulation is limited.

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

Label

Product Label

Label for Pure L-Tyrosine Free Form Amino Powder
Open Full PDF View on NIH DSLD →
Details

Label Data

2000 mg
Serving Size
250
Servings
Amino acid/Protein
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

2000 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)

Other Ingredients

L-Tyrosine
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: A common dosage is between 2000 mg an 4000 mg daily, mixed with juice or water.

Suggested Use: As a dietary supplement dosages varies between 2000mg to 4000mg daily, preferably mixed with juice, water, or in a shake.

Warnings & Precautions

WARNING: A scale is required for accurate measurements.

Keep away from children.

Do not take this or any other supplement if you are pregnant or nursing.

Do not take if you have high blood pressure or any medical complications.

WARNING: A micro scale is required for accurate measurements.

Do not take this or any other supplement if you are pregnant or nursing, have high blood pressure or taking other prescription drugs.

Formulation Notes

No added fillers No flow agents No driers No other ingredients

Allergens: This product contains NO Soy, Milk & Byproducts, Eggs, Fish, Shellfish, Wheat, Gluten, Tree Nuts, or Sesame Seeds.

Additional Information

Storage: Store in a cool & dry place. Keep away from strong light & heat.

Always consult with your physician before taking any new dietary supplements. Expiration date on back of pouch.

USP-FCC

This is a NON-GMO ingredient produced with organic material.

Storage: Store in a cool & dry place. Keep away from direct sunlight and heat.

Always consult with a physician before taking any new dietary supplement.

Quality Healthcare Worldwide

Metadata

Product Details

DSLD Entry Date2014-06-25
Product TypeAmino acid/Protein
FormPowder
DSLD ID34546
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.