Test Your Thyroid Function: Dr. Ray Peat's Guide to Track Your Metabolism and Detect Hypothyroidism (Healing Metabolism)

You might have hypothyroidism—even if your thyroid blood tests appear normalDo you struggle with fatigue, weight gain, hair loss, constipation, cold hands and feet, brain fog, or other common symptoms of hypothyroidism—yet your thyroid labs fall within the so-called "normal" range?In Test Your Thyroid Function, biochemist Dr. Benedicte Lerche, MSc, PhD, explains why standard thyroid testing often misses true hypothyroidism at the cellular level—and what a more accurate evaluation of thyroid function looks like.Drawing on the work of thyroid expert Dr. Ray Peat, she presents a precise, physiology-based approach to thyroid health and laboratory interpretation.Using Optimal Values Rather Than Broad Reference Ranges, You’ll Learn How To Interpret:TSHT4T3Reverse T3 (rT3)Thyroid antibodiesLearn How To Monitor Thyroid Health At Home Using:Body temperaturePulse rateSymptom patternsKey Topics Covered:How the thyroid gland regulates metabolismHow T3 drives cellular energy productionWhy measuring T3 is essential for diagnosing hypothyroidismCommon and overlooked symptoms of hypothyroidismHow stress suppresses thyroid functionThe anti-metabolic effects of reverse T3 (rT3)Why the T4-to-T3 conversion often failsClear guidance on Hashimoto's thyroiditisThe limitations of relying solely on TSHOptimal vs. "normal" thyroid lab rangesHow to prepare for your thyroid blood testsThe role of pulse and temperature in evaluating thyroid functionHelpful Thyroid Tables & Tracking Tools:Side-by-side comparison of optimal and standard thyroid lab valuesPulse and temperature ranges linked to healthy thyroid functionComprehensive hypothyroid symptom checklistSimple tracking templates for personal useWho This Book Is For:This book is for individuals who continue to experience hypothyroid symptoms despite being told their lab results are "normal."It is especially helpful for those with Hashimoto's thyroiditis, persistent fatigue, unexplained weight gain, or suspected low thyroid function who want deeper insight and practical guidance.If you are ready to move beyond confusion and take control of your thyroid health at a physiological level, this book provides the clarity, science, and tools you need.Part of Dr. Benedicte Mai Lerche’s Healing Metabolism series:How I Overcame HypothyroidismTest Your Thyroid FunctionHow to Boost Metabolism With FoodHow to Use Thyroid Medication Read more