🟢 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

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

Supplement Facts — Evidence Check

1500 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1500mg
750 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 750mg
L-Valine
750 mg

Other Ingredients

Vegetarian Cellulose Silicon Dioxide

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) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take one serving (5 capsule), 1-2 times daily. Taken once as a pre-workout 15-30 minutes prior to exercise and/or after exercise as a post-workout.

⚠️ Warnings & Precautions

Do not use or consume if seal is broken.

Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Always consult with a qualified health physician before taking any new dietary supplement.

🧪 Formulation Notes

This contains non-GMO ingredients.

Branched Chain Amino Acids

Allergens: This product contains no soy, dairy & byproducts, eggs, fish, shellfish, wheat, gluten, tree nuts, or sesame seeds.

Additional Information

Storage: Store in a cool, dry place.

Supports muscle recovery and reduces fatigue Promotes muscle growth and lean muscle Improved muscle protein synthesis

Product Details

UPC / SKU 8 18132 85881 5
DSLD Entry Date 2017-03-24
Product Type Amino acid/Protein
Form Capsule
Brand Hard Rhino
DSLD ID 71750
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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