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GNC Whey protein supplement bottle
GNC

Whey protein Review

What We Researched
9 active ingredients analyzed · 11 inactive ingredients decoded · 10 brand certifications checked · Page generated: Sep 2026
55
Product Score Poor
96
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

IngredientAmount% 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
GNC

Founded 1935 · Pittsburgh, Pennsylvania, USA · 1590 products · gnc.com

Certifications

10 certifications
Informed Sport Source available Primary evidence
Nsf Certified For Sport Source available Primary evidence
Clean Label Project Source available Primary evidence
Labdoor Source available Primary evidence
Consumerlab Source available Primary evidence
Fda Gmp Inspections Source available Primary evidence
Usda Organic Source available Primary evidence
Vegan Certified Source available Primary evidence
Nsf Gmp Source available Primary evidence
Informed Choice Supporting evidence unavailable

Transparency

5 claims
Third Party Testing Claim — Verified Evidence available Evidence
Testing Lab Disclosure — Verified Evidence available Evidence
In House Testing — Claimed Brand claim; evidence unavailable
Contains Proprietary Blend — True Brand claim; evidence unavailable

Violation History

34 incidents
Prop 65 Not specified on product pageOngoing Source available Primary source
Recall GNC Women's 30+ Vitapak2025-06-13 Source available Primary source
Recall GNC Women's 30+ Vitapak2025-06-13 Source available Primary source
Recall GNC Women's 30+ Vitapak2025-06-09 Source available Primary source
Recall GNC Women's 30+ Vitapak2025-06-05 Source available Primary source
Recall GNC Women's 30+ Vitapak2025-04-25 Source available Primary source
Lawsuit Misrepresentation of the amount of elemental magnesium in 'Super Magnesium' supplements.2024 Source available Primary source
Lawsuit Misrepresentation of the amount of elemental magnesium in 'Super Magnesium' supplements.2024 Source available Primary source
Lawsuit Mislabeled magnesium content in 'Super Magnesium' supplements.2024 Source available Primary source
Lawsuit Misrepresentation of magnesium content in 'Super Magnesium' supplements.2024 Source available Primary source
Recall GNC Women's Ultra Mega, Women's Ultra Mega Active, Women's Ultra Mega Energy and Metabolism, and Prenatal Formula with Iron2023-01-12 Source available Primary source
Lawsuit Falsely advertising 'Total Lean' protein bars as 'lean'.2023 Source available Primary source
Lawsuit Selling Vitamin E Skin Oil that was primarily composed of vegetable oil.2020 Source available Primary source
Lawsuit Selling Vitamin E Skin Oil that was mostly vegetable oil.2020 Source available Primary source
Prop 65 Lead, Cadmium2019-02-07 Source available Primary source
Prop 65 Lead and/or Cadmium2019-02-07 Source available Primary source
Prop 65 Lead, Cadmium2019-02-07 Source available Primary source
Prop 65 Lead, Cadmium2019-02-07 Source available Primary source
Prop 65 lead and/or cadmium2019-02-07 Source available Primary source
Lawsuit Deceptively labeling dietary supplements as if they have FDA approval.2019 Source available Primary source
Lawsuit Deceptively advertising fake markdowns online to mislead consumers into thinking items were on 'sale.'2019 Source available Primary source
Lawsuit Deceptively labeling dietary supplements regarding FDA approval and failing to include required disclaimers.2019 Source available Primary source
Lawsuit Using fake 'original' prices to deceive customers.2019 Source available Primary source
Recall Women's Iron Complete Dietary Supplement 60-count caplets2018-12-19 Source available Primary source
Prop 65 Lead2018-10-12 Source available Primary source
Prop 65 Lead2018-10-12 Source available Primary source
Recall Various GNC Women's Multivitamins2018-01-04 Source available Primary source
Recall GNC Women's Ultra Mega Time Release2016-11-18 Source available Primary source
Recall GNC Women's Ultra Mega Time Release 180-count2016-11-16 Source available Primary source
Lawsuit Knowingly selling products containing unlawful synthetic chemicals (picamilon, BMPEA, and acacia rigidula).2016 Source available Primary source
Lawsuit Unfair discontinuation of the Gold Card discount program.2016 Source available Primary source
Fda Warning Inclusion of unapproved dietary ingredient Beta-methylphenethylamine (BMPEA) in products.2015-04-01 Source available Primary source
Lawsuit Mislabeling of herbal supplements2015 Source available Primary source
Lawsuit Selling products containing illegal synthetic ingredients.2015 Source available Primary source
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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, 7 are rated safe and 2 ingredients are flagged for review. The manufacturer, GNC, holds a brand trust score of 96/100.

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?

GoodSupp reviewed the inactive-ingredient data available for GNC Whey protein. Of 11 inactive ingredients, 7 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. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. 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. 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.