American River Nutrition, founded in 1998 by Dr. Barrie Tan and now operating under Everwell Health, is a U.S.-based innovator in the field of annatto-derived dietary ingredients. Located in Hadley, Massachusetts, their 24,000-square-foot GMP-compliant facility combines advanced proprietary processes, in-house R&D, and quality control labs to produce science-backed ingredients like DeltaGold® (a tocopherol-free source of tocotrienols) and GG‑Gold® (geranylgeraniol, supporting healthy aging). The company exemplifies rigorous, evidence-driven advancement in nutritional ingredient development.