Ultra Amino Complex Watermelon

product on market Powder GNC Pro Performance 🟢 Safety: 100/100
Brand: GNC Pro Performance
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 18% of ingredients have research evidence
B Label Compliance Grade

Product Label

Label for Ultra Amino Complex Watermelon
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Label Data

13.98 Gram(s) Serving Size
24 Servings
Other Combinations Product Type
18% Evidence Coverage

Supplement Facts — Evidence Check

Calories
10 {Calories}
Total Carbohydrates
3 g (1% DV)
Sodium
180 mg (8% DV)
3600 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 3600mg
2000 mg
📊 Market median: 500.0mg (180 products) 📚 5 studies (Tier A: 0, B: 1)
This product: 2000mg
1200 mg
📊 Market median: 17.4mg (161 products)
Median 17.4mg This product: 1200mg
L-Valine
1200 mg
1000 mg
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 1000mg
Glycine
500 mg
100 mg
📊 Market median: 420.0mg (227 products)
Median 420.0mg This product: 100mg
L-Threonine
100 mg
100 mg
📊 Market median: 500.0mg (143 products)
This product: 100mg
100 mg
📊 Market median: 500.0mg (223 products) 📚 22 studies (Tier A: 0, B: 1)
This product: 100mg
L-Phenylalanine
25 mg
25 mg
📊 Market median: 2000.0mg (275 products)
Median 2000.0mg This product: 25mg
25 mg
📊 Market median: 500.0mg (193 products) 📚 7 studies — no high-quality reviews
This product: 25mg
L-Histidine
25 mg

Other Ingredients

Citric Acid Natural & Artificial flavors Malic Acid Acesulfame Potassium Soy Oil & Lecithin Blend Sucralose Calcium Silicate Silicon Dioxide FD&C Red #40 Lake FD&C Red #40

Label Claims — Verification

❓ Nutrient
❓ 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

DIRECTIONS: As a dietary supplement, on training days consume one scoop (13.98 g) with 8 oz of water during and after training. For best results, consume at least one serving on non-training days, preferably upon waking.

⚠️ Warnings & Precautions

Discontinue use two weeks prior to surgery.

CONTAINS: Soybeans.

WARNING: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Manufactured in a facility that also processes the following allergens: Milk, Soy, Wheat, Egg and Peanut.

KEEP OUT OF REACH OF CHILDREN.

🧪 Formulation Notes

CONTAINS: Soybeans.

10000mg of Concentrated, Fast-Absorbing BCAA and Aminos Per Serving

NATURAL AND ARTIFICIAL FLAVOR

Additional Information

Products bearing this logo have been tested for banned substances by HFL Sport Science, a world-class anti-doping lab. Product was tested for over 145 banned substances on the 2012 World Anti-Doping Agency (WADA) Prohibited List via HFL skip lot test protocol #ICP0307. See gnc.com for more information.

Store in a cool, dry place.

{QR Code} SCAN & LEARN MORE

Supports Muscle Protein Synthesis and Recovery, During and After Exercise

High Dose of Free-Form, Purified Essential Amino Acids

BANNED SUBSTANCE FREE

NITRO-FACTOR 8G(TM)

Daily During/Post-Workout

CODE 370098 KNG

NOTICE: Significant product settling may occur.

THE BENEFITS OF ULTRA AMINO COMPLEX

INFORMED-CHOICE{check}.ORG Trusted by sport

Product Details

UPC / SKU 0 48107 12517 2
DSLD Entry Date 2013-09-25
Product Type Other Combinations
Form Powder
Brand GNC Pro Performance
DSLD ID 25704
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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