Branched Chain Amino Acids (Free Form)

product on market Capsule Life Extension 🟢 Safety: 100/100
Brand: Life Extension
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • Limited research evidence available for ingredients
B Label Compliance Grade

Product Label

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Label Data

4 Capsule(s) Serving Size
22 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

1200 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1200mg
600 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 600mg
L-Valine
600 mg

Other Ingredients

Vegetable Cellulose

Label Claims — Verification

❓ All Other
❓ Structure/Function
All Other (100% of products) Structure/Function (90% of products) Nutrient (56% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Read the entire label and follow the directions carefully prior to use. Directions: To be used by adults 18 years and older. Take four (4) capsules daily with or without food, or as recommended by a healthcare practitioner.

⚠️ Warnings & Precautions

Caution: Individuals with ALS or disorders impairing the metabolism of branched chain amino acids should not use this product.

Warnings: Keep out of reach of children.

Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged.

When using nutritional supplements, please consult with your physician if you are undergoing treatment for a medical condition or if you are pregnant or lactating.

To report a serious adverse event or obtain product information, contact 1-866-280-2852.

🧪 Formulation Notes

Non GMO LE Certified

Hepatoprotection

Additional Information

Non GMO LE Certified

Store tightly closed in a cool, dry place.

Product Details

UPC / SKU 7 37870 12539 6
DSLD Entry Date 2020-08-23
Product Type Amino acid/Protein
Form Capsule
Brand Life Extension
DSLD ID 231773
Data Updated 2026-04-11

Research Evidence

8 Research Sources
45 Avg Quality Score
7 Clinical Trial
1 Meta Analysis
B Effects of Whey Protein, Leucine, and Vitamin D Supplementation in Patients with Sarcopenia: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2023
PubMed DOI
C Leucine-enriched Branched-chain Amino Acid on Muscle Thickness, Interleukin-6, SOFA Score in Critical Illness
Clinical Trial ClinicalTrials.gov 2023
ClinicalTrials.gov
C The Effects of Leucine Metabolites in Performance, Body Composition and Biochemical Markers of Muscle Damage
Clinical Trial ClinicalTrials.gov 2017
ClinicalTrials.gov
C Can Supplemental Leucine Offset Disuse-induced Muscle Atrophy?
Clinical Trial ClinicalTrials.gov 2017
ClinicalTrials.gov
C Leucine Supplementation in Sarcopenic Older Individuals
Clinical Trial ClinicalTrials.gov 2019
ClinicalTrials.gov
C The Effect of Leucine on Carnitine Transport to Skeletal Muscle
Clinical Trial ClinicalTrials.gov 2016
ClinicalTrials.gov
C Hydrolyzed Casein and Whey Protein Supplementation and the Addition of Leucine to Induce Protein Anabolism in Malnourished COPD Patients
Clinical Trial ClinicalTrials.gov 2009
ClinicalTrials.gov
C Resistance Exercise Training and Amino Acid Leucine Supplementation in Frail Elderly Women
Clinical Trial ClinicalTrials.gov 2013
ClinicalTrials.gov
View all evidence for Leucine →

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