🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 25% of ingredients have research evidence
B Label Compliance Grade

Product Label

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Label Data

1 Tablet(s) Serving Size
60 Servings
Amino acid/Protein Product Type
25% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Protein
1.5 Gram(s) (3% DV)
Sodium
12.5 mg (0.5% DV)
1500 mg
📊 Market median: 20.0mg (931 products) 📚 233 studies (Tier A: 1, B: 90)
This product: 1500mg

Other Ingredients

Vegetable Cellulose Silica Vegetable Magnesium Stearate

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) Women (not pregnant or lactating) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take 1 tablet twice a day.

⚠️ Warnings & Precautions

Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.

Keep out of reach of children.

Caution: If you are pregnant or nursing, do not take this product.

🧪 Formulation Notes

Each tablet contains: Collagen (Hydrolyzed gelatin) providing the following amino acids: 8 Essential amino acids (E) and 3 Branched Chain Amino Acids. Typical amino acid analysis (mg/tablet): L-Alanine - 126 mg L-Aspartic acid - 68 mg L-Glycine - 350 mg L-Isoleucine (E) - 18 mg L-Lysine (E) - 50 mg L-Phenylalanine (E) - 46 mg L-Serine - 51 mg L-Tyrosine - 9 mg L-Ornithine HCL - 23 mg L-Arginine - 116 mg L-Glutamic acid - 150 mg L-Histidine (E) - 14 mg L-Leucine (E) - 39 mg L-Methionine (E) - 14 mg L-Proline - 206 mg L-Threonine (E) - 29 mg L-Valine (E) - 33 mg Phenylketonurics: Contains phenylalanine.

Conforms to USP <2091> for weight.

Made in USA

8 Essential amino acids (E) 3 Branched-chain amino acids Free form amino acids

Gluten free

Mfg. in an FDA Registered Facility using Good Manufacturing Practices

Additional Information

Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Product Details

DSLD Entry Date 2022-02-23
Product Type Amino acid/Protein
Form Tablet or Pill
Brand Foster Regal
DSLD ID 259991
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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