Home/ Supplements/ Leucine/ L- Leucine 400 mg

L- Leucine 400 mg

product on market Capsule NutraBio Safety: 100/100
100/100

This product looks safe

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

Product Label

Label for L- Leucine 400 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

4 Vegetable Capsule(s)
Serving Size
60
Servings
Amino acid/Protein
Product Type
0%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

1.6 Gram(s)
Market median: 17.4mg (161 products)

Other Ingredients

Vegetable Capsule
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

4 Capsules 1-2x Daily Suggested use: As a dietary supplement, take 2 capsules 1-2 times daily, or as directed by your physician.

Warnings & Precautions

Warning: Not intended for use by persons under the age of 18. Keep out of the reach of children.

If you are pregnant, breast feeding, have known medical conditions (including kidney or liver disease) or are taking prescription or OTC medication(s) consult with your health care practitioner before using this product.

Formulation Notes

Vegan

Non-GMO Gluten free

Manufactured in our GMP & FDA Inspected Facility FDA Registration: 16906175560

Made in our GMP & FDA inspected facility

OU (Kosher)

Free form amino acid

No fillers No excipients

HPLC lab tested for potency Naturally fermented

Additional Information

Since 1996

OU (Kosher)

Store in a cool dry place.

Check. Verify. Trust. View independent lab results checkmysupps.com Made in USA with ingredients sourced worldwide

Metadata

Product Details

UPC / SKU6 49908 23275 7
DSLD Entry Date2020-11-21
Product TypeAmino acid/Protein
FormCapsule
BrandNutraBio
DSLD ID239127
Data Updated2026-04-11
Research

Research Evidence

8
Research Sources
45
Avg Quality
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
C The Effects of Leucine Metabolites in Performance, Body Composition and Biochemical Markers of Muscle Damage
Clinical Trial ClinicalTrials.gov 2017
C Can Supplemental Leucine Offset Disuse-induced Muscle Atrophy?
Clinical Trial ClinicalTrials.gov 2017
C Leucine Supplementation in Sarcopenic Older Individuals
Clinical Trial ClinicalTrials.gov 2019
C The Effect of Leucine on Carnitine Transport to Skeletal Muscle
Clinical Trial ClinicalTrials.gov 2016
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
C Resistance Exercise Training and Amino Acid Leucine Supplementation in Frail Elderly Women
Clinical Trial ClinicalTrials.gov 2013
View all evidence for Leucine →
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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.