🟢 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

6.19 Gram(s) Serving Size
64 Servings
Amino acid/Protein Product Type
0% Evidence Coverage

Supplement Facts — Evidence Check

2.5 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 2.5mg
1.25 Gram(s)
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1.25mg
L-Valine
1.25 Gram(s)

Other Ingredients

Flavoring

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years) Kosher No Allergies Gluten Free

Product Information

📋 Directions for Use

1 serving 16 oz. 2x daily

Suggested Use: As a dietary supplement, take 1 scoop mixed into 16 oz of your favorite beverage 2 times daily. For best results, shake for 30 seconds in a shaker cup.

⚠️ 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

Vegetarian

Allergen free Non-GMO Gluten free BSE/TSE free

Zero fillers ~ Excipients Absolutely no Proprietary blends Protein spiking Under-dosing Banned substances Hidden ingredients

2.5 g leucine 1.25 g isoleucine 1.25 g valine

Instantized branch chain amino acids

No fillers No excipients No additives (except flavoring)

Leucine isoleucine valine 2:1:1 ratio

OU

Additional Information

True label Full label disclosure

Made in the USA. Manufactured in our own FDA inspected cGMP facility complying with FDA 21 CFR Part 111 regulations. FDA Registration: 16906175560

Muscle Growth Recovery

Made in our GMP & FDA inspected facility

OU

Supports muscle growth & recovery

Natural & artificial flavoring

Store in a cool dry place.

Serving scoop included. (May settle to the bottom during shipping.)

Without compromise since 1996

Made in USA

52340-006 B20476-000

Product Details

UPC / SKU 6 49908 52340 4
DSLD Entry Date 2017-10-21
Product Type Amino acid/Protein
Form Powder
Brand NutraBio
DSLD ID 79991
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
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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