John A. Wise, PhD (1939–2011), was an American scientist. He retired in 2010 as the chief science officer for Natural Alternatives International (NAI), a nutritional products manufacturer based in San Marcos, California, US. Earlier in his career, he was the vice-president of research and development for United Sciences of America, Inc. (USAI) until 1986. USAI was a multi-level marketing company in Dallas, Texas which went bankrupt after controversial marketing practices were revealed.
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