Why Thorne? We've proven better is possible. Tested and trusted since 1984, Thorne applies scientific rigor, clinical expertise, and uncompromising standards to every product – all to provide unparalleled solutions for your health.Our supplements go through four rounds of testing, ingredient validation, and trusted third-party certifications. Decades of clinical experience drive product development, translating research into bioavailable formulations. Our “No List” guides this work, identifying 33 ingredient categories of fillers, binders, and additives we refuse to use in our supplements.With Thorne, you can build a routine that actually works for you based on personalized recommendations backed by scientific data. Experience superior results guided by our researchers, physicians, athletes, and partners committed to scientific wellness.Headquartered in Summerville, South Carolina, Thorne manufactures supplements in the USA using globally sourced ingredients. Thorne maintains internationally recognized certifications that demonstrate our commitment to excellence, including an exemplary record of compliance with the FDA’s current Good Manufacturing Practices (cGMP); certification by NSF, the “gold standard” for quality for dietary supplements; and an A rating from Australia’s TGA, the toughest regulatory agency in the world.

• Muscle Mass: Creatine is an amino acid that promotes lean body mass and supports increases in muscle endurance, muscle capacity, and power output*
• Cellular Energy Production: Creatine helps the cells of the body more efficiently create energy, thus benefiting exercise capacity*
• Brain Function: Although creatine is known for its muscle-enhancing benefits, it has also been shown to support cognitive function*
• NSF Certified for Sport: Tested for compliance with label claims and to ensure the absence of nearly 300 substances banned by many major athletic organizations
• Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)