GNC AMP Advanced Muscle Performance

GNC AMP Advanced Muscle Performance 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 1 verified certifications including Informed Sport. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: GNC AMP Advanced Muscle Performance has 2 historical regulatory incidents on record. These are factored into the overall trust score and are detailed in the violation history section above.

Yes. GNC AMP Advanced Muscle Performance holds 1 verified third-party certifications: Informed Sport. 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 AMP Advanced Muscle Performance supplements are: Wheybolic Alpha Classic Vanilla (score: 71/100); Wheybolic Alpha Chocolate Fudge (score: 70/100); Complete Omega (score: 62/100). 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 AMP Advanced Muscle Performance is headquartered in Pittsburgh, Pennsylvania, USA. The company was founded in 1935. They currently offer 143 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.