🟢 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
Amino acid/Protein Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

500 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 500mg

Other Ingredients

Cellulose Rice Husk

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)

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, adults take 1 capsule twice per day or as directed by your health care practitioner. Best when taken with a meal.

⚠️ Warnings & Precautions

Caution: Do not exceed recommended dosage.

Please consult a physician before consuming this product if you are pregnant or nursing, taking medication or have a medical condition.

Not intended for use by individuals under the age of 18. Keep out of reach of children.

Do not use if safety seal is damaged or missing.

🧪 Formulation Notes

L-Tyrosine supports alertness and energy. It helps maintain brain function and physical performance. Superior Labs L-Tyrosine capsules contain 500 mg pure L-Tyrosine, with absolutely no magnesium stearate, dioxides, preservatives, or other potentially harmful artificial ingredients of any kind.

Metal Safe Heavy Metal Tested

Optimal absorption Pure and potent Boosts energy Supports mental clarity Promotes alertness Supports brain function This product is formulated, developed and manufactured in an Food and Drug Administration-registered and GMP-compliant facility and is 3rd party inspected by a leading compliance authority for superior quality assurance.

Amino acid

Does not contain: magnesium stearate, dioxides or any potentially harmful ingredients of any kind.

Additional Information

Store in a cool, dry place.

Metal Safe Heavy Metal Tested GMP Compliant Facility Manufactured in the USA with globally sourced ingredients

Product Details

UPC / SKU 8 50569 00610 0
DSLD Entry Date 2025-09-25
Product Type Amino acid/Protein
Form Capsule
Brand SuperiorLabs
DSLD ID 338187
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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