Episode 215: Total T3 And Free T3 - What They Mean, What They Don't, and Why Treating T3 often backfires

T3 is the most talked-about thyroid hormone — and the most misunderstood. In this episode of the Thyroid Answers Podcast, Dr. Eric Balcavage breaks down Total T3 and Free T3 using a clear, Q&A-style format to address the most common questions, mistakes, and treatment traps patients and clinicians fall into. You'll learn: What T3 actually represents — and what it does not The difference between Total T3 and Free T3 (and why you need both) Why low T3 is often an adaptive response, not a deficiency Why adding T3 medication can help short-term but worsen physiology long-term Why "chasing Free T3" is one of the biggest mistakes in functional medicine How stress, inflammation, illness, dieting, and medications alter T3 levels Why labs can improve while patients feel worse How to interpret T3 correctly within the full thyroid panel This episode is essential listening if: You've been told your T3 is "low-normal" but still feel terrible You feel better on T3 medication at first — then worse Your labs look good, but your symptoms don't match You want to understand thyroid physiology beyond numbers and ranges 🎁 Free Resource: If you want a clear, practical guide to understanding thyroid labs, comment LABS and I'll send you my Thyroid Labs Decoded eBook.