🟢 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

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

Supplement Facts — Evidence Check

Calories
110 Calorie(s)
Total Fat
1.5 Gram(s) (2% DV)
Cholesterol
Sodium
250 mg (10% DV)
Potassium
260 mg (7% DV)
Total Carbohydrates
3 Gram(s) (1% DV)
Protein
20 Gram(s)
Vitamin A
Vitamin C
Calcium
(6% DV)
Iron
(20% DV)

Other Ingredients

Soy Protein isolate Cocoa Natural and Artificial flavor Fructose Potassium Chloride Gum Blend Acesulfame Potassium Sucralose

Label Claims — Verification

Nutrient
All Other
All Other (99% of products) Structure/Function (85% of products) Nutrient (54% of products) Approved Health (3% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: Add one scoop to 8-10 fl. oz. of cold water, milk or your favorite beverage and blend well. Consume 1-3 servings per day based on your protein needs. Pro Performance 100% Soy Isolate can be taken immediately before and/or after your workout, and should be spaced throughout the day for maximum benefit. It may also be used to enhance the protein content of your favorite foods.

Three ways to enjoy your 100% soy isolate 1 Shake Combine with cold water or your favorite beverage in a shaker cup 2 Blend Make a delicious smoothie adding fruits, juices, peanut butter or yogurt 3 Eat Mix powder in your oatmeal or your favorite food

⚠️ Warnings & Precautions

Keep out of reach of children.

Contains: Soybeans.

Notice: Use as a food supplement only. Do not use for weight reduction.

🧪 Formulation Notes

GNC Pro Performance 100% Soy Isolate is a cholesterol-free, lactose-free and gluten-free formula.

This vegetarian soy isolate contains all 9 essential amino acids, which your body requires daily for optimal muscle function and performance.

GNC Pro Performance 100% Soy Isolate provides 20g of soy protein and is a cholesterol-free formula.

GNC Pro Performance 100% Soy Isolate provides 20g of soy protein and is a cholesterol-free formula.

This formula has been confirmed as banned substance free, providing a complete peace of mind that you are receiving the highest quality formulation.

Gluten-free, vegetarian protein source

Gluten-free, vegetarian protein source

Lactose-free isolate, suitable for low-carb diet Cholesterol-free formula features all 9 essential amino acids

Provides more arginine & glutamine vs. standard whey 20g protein 110 calories 1g sugar 3g carbs

Contains: Soybeans.

No artificial colors, no wheat, gluten free, no dairy.

This product supplies only naturally occurring amino acids

Additional Information

The most complete plant-based formula

This unique soy formula supports your muscles during exercise and fuels lean muscle mass during your post-workout recovery.

Typical naturally occurring amino acids per serving: Alanine 811 mg Arginine 1483 mg Aspartate 2294 mg Cystine 262 mg Glutamine & Glutamic Acid 4191 mg Glycine 799 mg Histidine 452 mg Isoleucine^ 862 mg Leucine^ 1551 mg Lysine 1200 mg Methionine 249 mg Phenylalanine 1039 mg Proline 1115 mg Serine 1014 mg Threonine 701 mg Tryptophan 317 mg Tyrosine 714 mg Valine^ 946 mg Total 20000 mg ^ Indicates branched chain amino acids (BCAA).

The pro performance results Protein is an essential nutrient that is necessary for the growth, repair and maintenance of muscle fibers. Studies have shown that soy protein taken by active individuals assists in maintaining muscle health during exercise. Additionally, diets low in saturated fat and cholesterol that include 25g of soy protein may reduce the risk of heart disease.

Soy Protein is an effective source of nitrogen, which fuels lean muscle mass. Your muscles can only grow when your body retains a sufficient amount of nitrogen. This unique formula delivers naturally-occurring anabolic amino acids into your bloodstream. These aminos create a nitrogen-rich environment required for maximum protein synthesis.

The pro performance quality

This superior formula delivers muscle-fueling results while maintaining a satisfying and delicious taste.

Informed-choice.org Trusted by sport

Informed-choice.org Trusted by sport Products bearing this logo have been tested for banned substances by LGC Science, Inc., a world-class anti-doping lab. Product was tested for over 145 banned substances on the 2015 World Anti-Doping Agency (WADA) Prohibited List via LGC skip lot testing protocol #ICP0307. See gnc.com for more information.

Store in a cool, dry place.

Natural & artificial flavors

30 servings

V Vegetarian formula

Banned substance free

CODE 386420 IQG

2,000 Calories 2,500 Calories Total Fat Less than 65g 80g Sat. Fat Less than 20g 25g Cholesterol Less than 300mg 300mg Sodium Less than 2,400mg 2,400mg Potassium 3,500mg 3,500mg Total Carbohydrate 300g 375g Dietary Fiber 25g 30g Protein 50g 65g Calories per gram: Fat 9 ~ Carbohydrate 4 ~ Protein 4

Significant product settling may occur.

Gf Gluten free

Product Details

UPC / SKU 0 48107 15759 3
DSLD Entry Date 2017-01-25
Product Type Amino acid/Protein
Form Powder
DSLD ID 67345
Data Updated 2026-04-11

Research Evidence

849 Research Sources
56 Avg Quality Score
450 Meta Analysis
152 Rct
137 Systematic Review
73 Clinical Trial
11 Regulatory Source
7 Other
7 Guideline
3 Openfda Safety
2 Cochrane Review
2 Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021
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