Wits & Weights | Fat Loss, Nutrition, & Strength Training for Lifters THYROID Markers Your Doctor Ignores That Stall Metabolism and Fat Loss (Eric Osansky) | Ep 412
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Dec 12, 2025 In this engaging discussion, Eric Osansky, a functional medicine practitioner and author specializing in thyroid health, shares his own journey through Graves' disease. He highlights crucial thyroid markers that can hinder metabolism and fat loss, emphasizing the importance of tailored testing beyond TSH. Eric dives into the unique symptoms faced by lifters and explores autoimmune triggers like stress and environmental toxins. His insights on natural support strategies and the impact of common household chemicals are both eye-opening and actionable for anyone interested in optimizing their health.
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Thyroid Controls Whole-Body Metabolism
- The thyroid produces mostly T4 which converts to the active T3 that binds receptors throughout the body.
- Low or high thyroid hormone affects metabolism, cholesterol, heart, bone, and virtually every tissue.
Personal Graves Story That Sparked His Work
- Dr. Eric Osansky lost 42 pounds and had a resting heart rate of 90–110 bpm before his Graves diagnosis.
- He experienced palpitations, increased appetite, and hair loss which prompted testing and specialist referral.
Test Beyond Just TSH
- Get at least TSH, free T4 and free T3 when screening thyroid function; T3 is the active hormone.
- If symptoms persist, add reverse T3 and thyroid antibodies to detect conversion issues or autoimmunity.
