EFX Sports

EFX Sports receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 2005 and is headquartered in Billings, Montana, USA. They hold 2 verified certifications including Informed Sport, Fda Gmp Inspections. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: EFX Sports 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. EFX Sports holds 2 verified third-party certifications: Informed Sport, Fda Gmp Inspections. 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 EFX Sports supplements are: Karbolyn Fuel Strawberry Kiwi (score: 87/100); Karbolyn Fuel, Cherry Limeade, 4 lb 4.8 oz (1,950 g) (score: 87/100); Karbolyn Fuel, Strawberry, 4 lb 4.8 oz (1,950 g) (score: 87/100). 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.

EFX Sports is headquartered in Billings, Montana, USA. The company was founded in 2005. They currently offer 27 products in their supplement lineup. Their official website is efxsports.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.