Jayone

Jayone receives a brand trust score of 0/100 in GoodSupp's independent analysis. The company was founded in 1999 and is headquartered in Paramount, California, USA. They hold 1 verified certifications including Fda Gmp Inspections. These certifications are independently verified by GoodSupp and indicate the brand meets recognized quality, purity, and manufacturing standards. Note: Jayone has 1 historical regulatory incident on record. These are factored into the overall trust score and are detailed in the violation history section above.

Yes. Jayone holds 1 verified third-party certifications: 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 Jayone supplements are: Sliced Dried Shiitake Mushroom, 4 oz (113 g) (score: 82/100); Dried Shiitake Mushroom, 6 oz (170 g) (score: 70/100). 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.

Jayone is headquartered in Paramount, California, USA. The company was founded in 1999. They currently offer 2 products in their supplement lineup. Their official website is jayonefoods.com. Manufacturing location may differ from corporate headquarters — look for GMP certification to verify manufacturing quality standards.