Expert profile

Dr. Sean O'Mara

Performance optimizing physician

Visceral fat reduction • metabolic optimization • carnivore-pattern eating

2Discussions
88 minAnalysed
Last reviewed: May 26, 2026·Credential: MD, JD·First indexed: May 26, 2026

About the expert

Focus: Visceral fat reduction via meat-based eating and high-intensity exercise

Sean O'Mara, MD JD, is a performance-optimizing physician with 15 years of clinical work focused on visceral fat reduction. He runs a coaching practice based around meat-focused eating patterns, high-intensity exercise like sprinting, and lifestyle levers including cold exposure and sleep.

Expert discussions with Dr. Sean O'Mara

Sean O'Mara: One doctor's approach to reducing visceral fat
This is one doctor's personal model for shrinking visceral fat, the fat around your organs. He favors short, very intense exercise over long cardio, a meat-heavy diet, and levers like cold exposure, sleep, and fasting. Much of it runs ahead of mainstream evidence, so treat it as one contested viewpoint.
How do you actually lose visceral fat, and what's overhyped?
Visceral fat is the fat stored deep around your organs, and it carries more health risk than the fat you can pinch under your skin. This episode's core point is well supported: you can look lean and still carry too much of it, and routine checkups do not directly measure it. Sean O'Mara uses MRI scans to measure it and pushes a strict routine to remove it: a meat-based 'living diet', avoiding processed carbs, adding fermented foods, and short hard sprints instead of long runs. The mainstream parts, that visceral fat is harmful and that losing excess weight, eating fewer ultra-processed foods, and staying active help, are solid. Other parts go beyond the evidence or carry real risk, especially the advice to eat raw, unpasteurized dairy and to get MRI scans as routine screening. Treat the warning about visceral fat seriously, and treat the specific protocol with caution.