🟢 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

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

Supplement Facts — Evidence Check

2500 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 2500mg
1250 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1250mg
L-Valine
1250 mg

Other Ingredients

Natural and Artificial flavors Citric Acid Sucralose Malic Acid Silicon Dioxide Soy Lecithin

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) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take 6.56 grams (scant ~ 1 tbsp) with 8-12 ounces of water or suitable beverage. Taken up to twice daily, once as a pre-workout 15-30 minutes prior to exercise and/or after exercise as a post-workout.

1 Carefully measure out suggested serving size using a microscale. 2 Add to preferred beverage. 3 Mix well. 4 Drink within 10-15 minutes. How to use

⚠️ Warnings & Precautions

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.

Do not use or consume if pressure seal is broken.

Do not use or consume if seal is broken.

Allergens: This product contains soy and/or soy derivatives.

🧪 Formulation Notes

Branched Chain Amino Acids

No added fillers

Allergens: This product contains soy and/or soy derivatives.

This is a non-GMO ingredient.

It does not contain dairy & dairy byproducts, eggs, fish, shellfish, wheat, gluten, tree nuts, or sesame seeds.

Additional Information

Only pure ingredients

Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Pure powder

Lab tested for purity and quality

Packaged in USA

Product Details

UPC / SKU 7 98711 49911 3
DSLD Entry Date 2017-03-24
Product Type Amino acid/Protein
Form Powder
Brand Hard Rhino
DSLD ID 71759
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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