Independent supplement education · Evidence first · Updated October 2026

US SUPPLEMENT BRAND PROFILE

GNC

GNC is a US nutrition retailer with a broad house-brand portfolio alongside third-party products. Its Pro Performance and other GNC lines cover everyday vitamins, protein, training supplements, and wellness categories.

About GNC

GNC is a US nutrition retailer with a broad house-brand portfolio alongside third-party products. Its Pro Performance and other GNC lines cover everyday vitamins, protein, training supplements, and wellness categories. This overview describes the brand’s publicly presented range; it is not a review of manufacturing quality, clinical effectiveness, or value.

Product categories

The brand’s official catalog includes products in these broad categories:

  • Vitamins and minerals
  • Protein and sports nutrition
  • Herbal and specialty supplements
  • Weight-management products

Selected products

These examples are drawn from the brand’s catalog or highlighted product pages. They are not ranked against other products, and availability or formulations may change.

  • GNC Mega Men
  • GNC Pro Performance 100% Whey
  • GNC Pro Performance Creatine Monohydrate
  • GNC Total Lean Lean Shake 25

Visit the official GNC catalog

How to compare products

Compare the Supplement Facts panel, ingredients and serving size, allergens, warnings, and any third-party quality certification. A product’s presence in a brand catalog does not establish that it is suitable for every person or that it prevents or treats a health condition.

Source: Official GNC catalog / product page. Product names are listed for identification only. Supplement Field Guide is independent and is not affiliated with or endorsed by the brand.

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