52 GHP Q3 2026 fatty15 was founded in 2018 as a result of Co-Founder and Co-CEO, Dr Stephanie Venn-Watson’s ground-breaking discovery of C15:0, an essential fatty acid the body needs but cannot make on its own. Today, most people aren’t consuming enough of it. It was when Stephanie was working as a veterinary epidemiologist for the U.S. Navy, caring for older dolphins, that she observed that around 1 in 3 were developing the same conditions as we see in ageing humans: insulin resistance, chronic inflammation, and fatty liver disease, all signs of decline that come as a result of cells breaking down faster than they should. We learn more from Dr Stephanie Venn-Watson in light of fatty15 being named Best Cellular Health Supplement Brand 2026 – USA. “We’re not just trying to build a supplement brand so much; we’re on a mission to change how the world thinks about healthy ageing,” Stephanie began. “Our pure, patented C15:0 supplement, or pentadecanoic avid, is the first new essential fatty acid identified in nearly a century, since omega-3s, and it’s fundamentally a cellular health nutrient. It strengthens cell membranes, protects against a form of cell death called ferroptosis, and supports metabolic, cardiovascular, liver, red blood cells, and immune health, all by helping cells themselves stay resilient.” Combining rigorous, Navy-funded science, transparency, and claims backed by peer-reviewed data, it is all this that puts fatty15 a cut above the rest in an industry that runs on marketing claims with little science behind them. Stephanie, alongside Co-Founder and Co-CEO Eric Venn-Watson and the team have spent over a decade researching, developing, and fine-tuning their products, utilising more than 150 peer-reviewed studies including seven randomised clinical trials. They remain laser-focused on building a strong body of evidence, validated by independent experts as meeting the industry’s highest bar. It is this rigour and science-first approach that have led to fatty15 receiving prestigious recognition, including success in this year’s Global Excellence Awards. Taking its authority to the next level, its supplements have also been put through TESTED by SuppCo, the only programme that anonymously buys products off the shelf and verifies them against label claims at ISO-accredited labs, and as a result, earned a 9.88 TrustScore. Furthermore, fatty15 has over 100,000 active subscribers and a 95% monthly retention rate, which is a reflection of how people are really feeling the difference at a cellular level. “Customers tell us they notice more energy, better resilience, and steadier long-term health markers, and our retention numbers back that up: our 95% monthly retention rate is nearly unheard of in this industry and reflects people staying because it’s working, not because of a subscription trap.” Beyond its core product, fatty15 takes a science-forward approach to customer care through its Nerdy Do-Gooder (NDG) Connect programme. “Instead of transactional support, we built one-to-one relationships rooted in education about the science behind C15:0,” explained Stephanie. “Using a framework to understand where each customer was in their journey, we resolved over 775,000 conversations with 87-91% SLA compliance and achieved email open rates of 48-64%, far above industry norms. “The impact for our community is real: customers get a genuine understanding of why C15:0 matters for their health, and that trust translates into loyalty: 80% say they’d be disappointed if they could no longer take fatty15. It’s proof that when you lead with empathy and real science, customers stick around.” And with that, fatty15 is looking toward a bright future ahead, where Stephanie tells us the goal is for C15:0 to become as recognised and recommended as omega-3 is today, including a path toward formal recognition in U.S. dietary guidelines. Furthermore, it is continuing to expand the clinical trial base beyond what it has now; deepen the science on Cellular Fragility Syndrome, the nutritional deficiency that was first identified in dolphins; and broaden access globally so more people can close this nutrient gap. Stephanie concluded: “Ultimately, the goal is population-level impact: moving the needle on lowering metabolic and cardiovascular disease rates by protecting health at the cellular level, not just growing a supplement company.” To learn more about fatty15 or to shop its supplement range, visit the website. Contact: Dr Stephanie Venn-Watson Company: fatty15 Website: www.fatty15.com Healthy Ageing Starts with Stronger Cells
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