GNC

GNC receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 1935 and is headquartered in Pittsburgh, Pennsylvania, USA. They hold 5 verified certifications including Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic, Vegan Certified. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. No FDA warning letters, recalls, or regulatory violations were found in our research.

Yes. GNC holds 5 verified third-party certifications: Informed Sport, Consumerlab, Fda Gmp Inspections, Usda Organic, Vegan Certified. Third-party testing means an independent laboratory — not the supplement company itself — has verified the product's contents, purity, and/or manufacturing practices. This is one of the strongest indicators of supplement quality because it removes the conflict of interest inherent in self-testing. Not all certifications are equal: NSF International and USP are considered the gold standard, while GMP certification indicates proper manufacturing practices.

Based on GoodSupp's quality analysis, the highest-rated GNC supplements are: CoQ-10 200mg - 60 Softgels (60 Servings) (score: 100/100); CoQ-10 200mg - 30 Softgels (30 Servings) (score: 100/100); CoQ-10 100mg - 120 Softgels (120 Servings) (score: 100/100). These scores are calculated from ingredient quality, dosage adequacy, bioavailability, label transparency, and inactive ingredient safety. Scores can vary significantly across a brand's product line — a high brand trust score doesn't guarantee every individual product is top-quality.

GNC is headquartered in Pittsburgh, Pennsylvania, USA. The company was founded in 1935. They currently offer 200 products in their supplement lineup. Their official website is gnc.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.