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.

• Essential Nutrients: Features a full complement of vitamins and minerals plus choline to support a mother’s health pre-conception, during pregnancy, and while nursing
• Active Folate: Formulated with 5-MTHF, the bioactive form of folate (vitamin B9) for optimal absorption to support fetal brain and spinal cord development*
• Gentle and Effective: Contains well-absorbed nutrients, like vitamins C, B6, and K, that are gentle on the stomach and have been shown to benefit symptoms related to morning sickness*
• Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants
• 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)