Pharmavite is an American dietary supplements company that was founded in 1971 by California pharmacist, Barry Pressman, and that was acquired by Otsuka Pharmaceutical in 1989. Its "Nature Made" vitamin brand was launched the following year. Pharmavite works with the United States Pharmacopeia's (USP) Dietary Supplements Verification Program on some of its products. References 1971 establishments in California Pharmaceutical companies of the United States Pharmaceutical companies established in 1971 Dietary supplements Companies based in California Otsuka Pharmaceutical American subsidiaries of foreign companies