The Energy Balance Podcast

BV #12: Gary Brecka Doesn’t Understand Thyroid & Natural PUFA vs. Seed Oils

49 snips
Jun 12, 2025
Dive into the intriguing world of thyroid health as the discussion uncovers misconceptions about T4 to T3 conversion. The hosts challenge popular claims on hormone replacement therapy and its effects on thyroid function. Explore the complexities of Hashimoto's disease and the roots of thyroid dysfunction, pushing past quick fixes. The conversation also critiques seed oils versus unprocessed polyunsaturated fats, urging listeners to rethink their dietary choices for better health outcomes.
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INSIGHT

Misunderstanding Thyroid Conversion

  • T4 to T3 conversion is not methylation but deiodination, removing iodine from T4.
  • Stress hormones and nutrient deficiencies inhibit this conversion, not B vitamin methylation as claimed by Gary Brecka.
INSIGHT

Thyroid Medication Does Not Harm Gland

  • Taking thyroid hormone replacement does not harm the thyroid gland.
  • The thyroid hormones taken exogenously are identical to those made by the body, so they don't damage the gland.
ADVICE

Support Thyroid in Hashimoto's

  • Use thyroid hormone replacement in Hashimoto's to suppress TSH and reduce oxidative stress.
  • Support thyroid health with antioxidants and minerals like vitamin C, selenium, and zinc to protect the gland.
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