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Steve Nugent

Chief Science & Health Officer and Chairman of Scientific Advisory Board, Mannatech

Search every verified Steve Nugent interview, podcast appearance, and on-the-record quote — each transcript cross-checked by AI and human review to confirm speaker identity. Steve Nugent, Chief Science & Health Officer and Chairman of the Scientific Advisory Board at Mannatech, has continued his monthly "Health, Wellness & Dr. Nugent" calls and released a video presentation on glycans and immune support. In recent appearances, he discussed the role of glycans in cellular communication and aging, stating that "approximately 58% of all of the variance in aging is attributed to glycans" and that glycans are "a more accurate predictor of biological age than telomeres are." He also addressed gut health, citing a global figure of 62% for gastrointestinal problems and noting that such issues occur twice as frequently among women as men. Nugent emphasized the distinction between immune boosting and immune modulation, arguing that the latter is preferable for maintaining normal immune function. Nugent also promoted Mannatech's products, including Ambrotose and Manapol, describing them as foundational to health programs. He highlighted the company's research investments, stating that Mannatech has "spent more than 50 million US dollars on scientific research" and has posted its 18th scientific study, with 13 being human double-blind placebo-controlled trials. He contrasted this with competitors, claiming they "spend no dollars at all" on research. In his July 2026 call on healthy aging, he discussed the decline in digestive enzyme production with age and the economic implications of aging populations, suggesting that fewer taxpayers supporting a growing retired population presents a challenge.

Recent appearances

Verified interview transcripts

Notable quotes

“Approximately 58% of all of the variance in aging is attributed to glycans. And that means that glycans now are a more accurate predictor of biological age than telomeres are.”

“The global probiotic dietary supplement market... right now, there is somewhere above 12.5 billion. That's US dollars... 12.5 billion was the number in 2025. That number is going up and that number is predicted at the current rate of growth, annualized rate of growth, which is about 12% by the way, that's huge, 12% a year, is predicted to hit more than 24 billion US dollars by 2031. This tells us that gut health is n”

“We have spent more than 50 million US dollars on scientific research. Our major competitors spend no dollars at all. Nothing. Zero. We have specific studies on our products. And as I've mentioned, we've just now posted our 18th scientific study. And 13 of those 18 are human double blind placebo controls. That's the gold standard of scientific study.”

“You want to boost your immune system. No, you don't. So what you want is immune modulation. If your immune system is weak, you don't want to boost it. You want to modulate it up to normal. If your immune system is overactive, you want to modulate it down to normal healthy function. So modulation is very different than boosting or suppression.”

“The fewer people you have earning money and paying taxes and the larger population that you have of people who are now retired and unhealthy and having at least one or perhaps more chronic health conditions where they need medical treatment and pharmaceutical drugs and so on. And that population then continues to increase as the people paying taxes continues to decrease because birth rates are dropping all over the m”

“The single largest expense for the governments of Australia, New Zealand, and Singapore is health care for people 65 and older.”

The summary and quote tags on this profile are produced with AI assistance from verified, first-person interview transcripts, then checked by our team to confirm the speaker's identity and the accuracy of every quote. See how we verify →