Founded in 1992 by two health-conscious athletes, Olympian Labs makes science-backed dietary supplements from its Phoenix, Arizona base. Its formulas are produced in the USA in GMP-certified facilities and emphasize clean-label ingredients, clinical dosing, and transparent sourcing, with more than 275 formulas developed over three decades.
GMP-Certified Facility
FDA Regulations for Dietary Supplement Manufacturing, Safety, and Labeling
Compliance program
GMP
Quality certification
FDA
Quality certification
ProCaps LaboratoriesFounded by biochemist and athlete Andrew Lessman in 1979, ProCaps Laboratories manufactures its own vitamins and nutritional supplements rather than outsourcing production. Its Henderson, Nevada facility runs on rooftop and parking-structure solar power, and the company remains founder-owned while producing additive-free formulas and donating prenatal vitamins through Vitamin Angels.HENDERSON, NV
American Health Formulations, IncFounded in 2007, American Health Formulations is a U.S.-based contract manufacturer known for combining supplement development with in-house scientific and quality support. Its Hauppauge operation serves nutritional health brands worldwide, including through private-label formulas using its proprietary SEDDS® delivery technology. AHF is FDA registered and NSF/ANSI 455-2 cGMP certified, with additional NSF Certified for Sport and Halal registrations.HAUPPAUGE, NY
SMP NutraStarted by Steven Milano with $120 in the bank, SMP Nutra has grown into a family business with more than 100 employees and over 150,000 square feet of manufacturing space. The company produces private-label dietary supplements for brands ranging from startups to established businesses, while keeping much of the work in-house at its FDA-registered, GMP-certified U.S. facility. Its growth earned Gold and Bronze Stevie Awards in 2021.BRENTWOOD, NY
Progressive LaboratoriesFounded in 1972 by a nutritionist, Progressive Laboratories makes science-based nutritional supplements for health care professionals and also provides in-house private-label manufacturing. The Irving, Texas company operates from a 220,000-square-foot facility and bases its formulations on clinically studied ingredient forms and therapeutic potencies. Its private-label program can begin with runs as small as 24 bottles, a practical scale that sets it apart for smaller professional brands.NEW YORK, NY