Rhonda Patrick

Rhonda Patrick earned her PhD in biomedical science, conducting her dissertation research at St. Jude Children's Research Hospital on the role of mitochondrial metabolism and apoptosis in cancer cell resistance to chemotherapy, work she published in Nature Cell Biology in 2012 [1]. She then completed postdoctoral research in the laboratory of Bruce Ames, the biochemist known for developing the Ames test for chemical mutagenicity, at Children's Hospital Oakland Research Institute, studying how micronutrient deficiencies, including vitamin D deficiency, interact with aging and neurodevelopment [1]. That work included a 2014 paper in the FASEB Journal on vitamin D's role in serotonin synthesis and its potential relevance to autism spectrum disorder, co-authored with Ames [1].

Patrick founded FoundMyFitness as a podcast, YouTube channel, and newsletter platform that reviews nutrition and longevity science for a general audience, and the site now runs on a mixed free and paid subscription model, with premium tiers offering extended interview transcripts, a members-only "Aliquot" newsletter, and monthly live Q&A sessions [2]. She sits on the board of the Fatty Acid Research Institute, a nonprofit focused on omega-3 fatty acid research, a role disclosed on her own site [1].

Patrick has become one of the most visible public advocates for sauna use as a longevity intervention, frequently citing Finnish cohort studies, particularly research from the Kuopio Ischaemic Heart Disease Risk Factor Study, associating frequent sauna use with lower cardiovascular mortality [2]. She has been careful in her own long-form content to note that these are observational, association-based studies from a specific Finnish population with a particular sauna culture, rather than randomized controlled trials proving causation, a distinction that is easy to lose when the finding is summarized in shorter video or social clips [2].

Unlike Sinclair or Longo, Patrick does not currently hold a disclosed equity stake in a specific supplement manufacturer selling a product she personally invented; her primary commercial structure is subscription and advertising revenue from FoundMyFitness itself, plus whatever sponsorship arrangements her podcast carries, which are typically disclosed at the start of individual episodes. This is a meaningfully different conflict-of-interest profile than a scientist-founder monetizing a proprietary formulation, though it still means her platform's continued growth depends on producing content her audience finds compelling enough to pay for, which creates its own, softer incentive toward confident-sounding claims about protocols like sauna use, cold exposure, and specific supplements.

In a video detailing her personal supplement stack, Patrick said she takes 10 grams of creatine each morning along with a multivitamin and omega-3s, and at night takes magnesium, vitamin D, vitamin K2, and TruNiagen, ChromaDex's branded NR product, "for the NAD" [3]. In a separate long-form video she said about 70% of the U.S. population has inadequate vitamin D status below 30 nanograms per milliliter, and that most deficient people can reach sufficient levels with about 4,000 IU per day [3]. She has not published original peer-reviewed research on NAD+ precursors, creatine, or sauna use herself; her more recent scientific output is primarily science communication and literature synthesis of other groups' findings rather than new laboratory data on these specific interventions.

The plain takeaway: Patrick has a genuine PhD-level research background under a well-regarded mentor, and her platform tends to flag observational-versus-causal distinctions more carefully than much of the longevity media space, but she has not published new primary research in over a decade and her business model, like any subscription media outlet, benefits from an audience that keeps finding new protocols worth paying to learn about.