GNC

Whey protein Review

Name: GNC Whey protein Review
Item: Whey protein
Author: GoodSupp

What We Researched

9 active ingredients analyzed · 11 inactive ingredients decoded · 10 brand certifications checked · Last updated: Aug 2026

Product Score Poor

Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

Ingredient	Amount	% DV
Total Carbohydrates	4 Gram	1%
Calcium	100 mg	8%
Iron	1 mg	6%
Potassium	260 mg	6%

Bioavailability Very Good

Absorption Rating

Total Carbohydrates Fair
Calcium Good
Iron Fair
Potassium Good

Other Ingredients Good

Fillers & Additives

Protein Blend
Natural and Artificial Flavors
Sunfiber
Polydextrose
Polyethylene Glycol Low
Lecithin
Salt
Titanium Dioxide High
Potassium Chloride
Acesulfame Potassium
Sucralose

Efficacy Very Poor

Dosage Analysis

Calcium 100 mg Under-dosed
Iron 1 mg Under-dosed
Potassium 260 mg Under-dosed

Supplement Facts

Ingredient	Amount	% Daily Value
Calories	120 Calorie
Total Fat	0.5 Gram	1%
Cholesterol	5 mg	2%
Total Carbohydrates	4 Gram	1%
Protein	25 Gram
Calcium	100 mg	8%
Iron	1 mg	6%
Sodium	100 mg	4%
Potassium	260 mg	6%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Protein Blend Unknown

Natural and Artificial Flavors Generally_safe

It is used to improve the taste of the product.

Sunfiber Unknown

Polydextrose Generally_safe

It is used as a filler, to add bulk, and as a prebiotic fiber.

Polyethylene Glycol Caution

It is used as a binder, coating agent, or to improve solubility.

Lecithin Safe

It is used as an emulsifier to help mix oil and water-based ingredients.

Salt Safe

It is used as a flavoring agent.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Potassium Chloride Safe

It is used to provide potassium, an essential mineral.

Acesulfame Potassium Generally_safe

It is used to provide sweetness without adding calories.

Sucralose Generally_safe

Adds sweetness to chewables, gummies, and powdered supplements without calories.

Brand Trust Report

Certifications

10 certifications

Informed Sport Verified Source

Nsf Certified For Sport Verified Source

Clean Label Project Verified Source

Labdoor Verified Source

Consumerlab Verified Source

Fda Gmp Inspections Verified Source

Usda Organic Verified Source

Vegan Certified Verified Source

Nsf Gmp Verified Source

Informed Choice Verified

Transparency

5 claims

Third Party Testing Claim — Verified Source

Testing Lab Disclosure — Verified Source

In House Testing — Claimed

Contains Proprietary Blend — True

Violation History

34 incidents

Prop 65 Not specified on product pageOngoingSource

Recall GNC Women's 30+ Vitapak2025-06-13Source

Recall GNC Women's 30+ Vitapak2025-06-09Source

Recall GNC Women's 30+ Vitapak2025-06-05Source

Recall GNC Women's 30+ Vitapak2025-04-25Source

Lawsuit Misrepresentation of the amount of elemental magnesium in 'Super Magnesium' supplements.2024Source

Lawsuit Mislabeled magnesium content in 'Super Magnesium' supplements.2024Source

Lawsuit Misrepresentation of magnesium content in 'Super Magnesium' supplements.2024Source

Recall GNC Women's Ultra Mega, Women's Ultra Mega Active, Women's Ultra Mega Energy and Metabolism, and Prenatal Formula with Iron2023-01-12Source

Lawsuit Falsely advertising 'Total Lean' protein bars as 'lean'.2023Source

Lawsuit Selling Vitamin E Skin Oil that was primarily composed of vegetable oil.2020Source

Lawsuit Selling Vitamin E Skin Oil that was mostly vegetable oil.2020Source

Prop 65 Lead, Cadmium2019-02-07Source

Prop 65 Lead and/or Cadmium2019-02-07Source

Prop 65 Lead, Cadmium2019-02-07Source

Prop 65 lead and/or cadmium2019-02-07Source

Lawsuit Deceptively labeling dietary supplements as if they have FDA approval.2019Source

Lawsuit Deceptively advertising fake markdowns online to mislead consumers into thinking items were on 'sale.'2019Source

Lawsuit Deceptively labeling dietary supplements regarding FDA approval and failing to include required disclaimers.2019Source

Lawsuit Using fake 'original' prices to deceive customers.2019Source

Recall Women's Iron Complete Dietary Supplement 60-count caplets2018-12-19Source

Prop 65 Lead2018-10-12Source

Recall Various GNC Women's Multivitamins2018-01-04Source

Recall GNC Women's Ultra Mega Time Release2016-11-18Source

Recall GNC Women's Ultra Mega Time Release 180-count2016-11-16Source

Lawsuit Knowingly selling products containing unlawful synthetic chemicals (picamilon, BMPEA, and acacia rigidula).2016Source

Lawsuit Unfair discontinuation of the Gold Card discount program.2016Source

Fda Warning Inclusion of unapproved dietary ingredient Beta-methylphenethylamine (BMPEA) in products.2015-04-01Source

Lawsuit Mislabeling of herbal supplements2015Source

Lawsuit Selling products containing illegal synthetic ingredients.2015Source

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Frequently Asked Questions

Is GNC Whey protein a good supplement?

GNC Whey protein received a product quality score of 55/100 in GoodSupp's independent analysis, indicating several areas of concern that consumers should review. The product contains 9 active ingredients with 70 servings per container. Of the 11 inactive ingredients, 3 are rated safe and 2 are flagged for review. The manufacturer, GNC, holds a brand trust score of 96/100 with 10 verified certifications including Informed Sport, Nsf Certified For Sport, Clean Label Project, Labdoor.

What are the ingredients in GNC Whey protein?

GNC Whey protein contains 9 active ingredients: Calories (120 Calorie), Total Fat (0.5 Gram), Cholesterol (5 mg), Total Carbohydrates (4 Gram), Protein (25 Gram), Calcium (100 mg), and 3 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is GNC Whey protein safe to take?

GNC Whey protein has been analyzed for ingredient safety across all its components. Of 11 inactive ingredients, 3 are rated safe. 2 ingredients are flagged for review: Polyethylene Glycol, Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is GNC a trustworthy supplement brand?

GNC receives a brand trust score of 96/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1935 and headquartered in Pittsburgh, Pennsylvania, USA, the company offers 1590 products in their lineup. They hold 10 verified certifications including Informed Sport, Nsf Certified For Sport, Clean Label Project, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: GNC has 34 historical regulatory incidents on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records — read our methodology. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.