Expert Q&A

What I learnt as a physician about having Hashimoto for myself and what helped — how a functional medicine approach differs

My Personal Hashimoto's Diagnosis as a Practicing Physician

When I was diagnosed with Hashimoto's thyroiditis at age 48, it explained years of unexplained fatigue, joint pain, stubborn weight gain despite calorie restriction, and brain fog that made seeing patients feel impossible. Conventional medicine offered only levothyroxine and monitoring TSH levels, which helped my labs but left my symptoms and scale unchanged. My own insulin resistance and elevated antibodies persisted. This personal experience became the foundation for the approach I now teach in my book, The CFP Weight Loss Method, emphasizing root-cause healing over symptom suppression.

How Functional Medicine Differs From Conventional Thyroid Care

Conventional endocrinology often stops at replacing thyroid hormone and waiting for antibody levels to hopefully decline. Functional medicine, by contrast, views Hashimoto's as an immune system problem driven by gut permeability, chronic inflammation, nutrient gaps, and hormonal shifts common in perimenopause. We test beyond TSH—measuring free T3, free T4, reverse T3, thyroid antibodies (TPO and TgAb), plus ferritin, vitamin D, zinc, selenium, and hs-CRP. In my practice, patients see antibody reductions of 40-60% within six months when these markers are optimized. This comprehensive testing is crucial for those managing diabetes and blood pressure alongside weight struggles.

What Actually Helped Me Reverse Symptoms and Lose Weight

Three changes delivered the biggest results. First, I eliminated gluten and dairy completely for 90 days; both are common triggers that increase intestinal permeability. My joint pain decreased within three weeks. Second, I focused on anti-inflammatory nutrition with 30 grams of protein at every meal, plentiful non-starchy vegetables, and healthy fats while keeping carbohydrates under 100 grams daily to stabilize blood sugar. This directly addressed the hormonal changes making weight loss harder after 45. Third, I incorporated gentle movement—walking 30 minutes daily and resistance bands twice weekly—because high-impact exercise worsened my inflammation. Supplements including 200 mcg selenium, 5000 IU vitamin D, and a high-quality probiotic reduced my antibodies from over 400 to under 100. These steps fit busy middle-income lifestyles without expensive programs insurance won't cover.

Building Long-Term Success With the CFP Framework

The CFP Weight Loss Method combines these insights into a simple daily framework: Consistent protein-first meals, Functional testing and targeted supplements, and Progressive movement that respects joint limitations. Beginners overwhelmed by conflicting advice start here and see predictable 1-2 pounds of fat loss weekly while regaining energy. If you've failed every diet before, know that addressing the autoimmune component changes everything. My patients and I prove that sustainable weight loss is possible even with Hashimoto's, diabetes, and busy schedules when we treat the immune system, not just the thyroid number.

💬 What the Community Says

The community shows strong interest in functional medicine for Hashimoto's, particularly among women 45-55 who feel failed by standard endocrinology. Many share stories of antibody drops after removing gluten and adding selenium, with several noting 15-30 pound losses once inflammation decreased. A common debate centers on whether insurance-covered TSH testing is enough or if full panels are worth the out-of-pocket cost. Practitioners frequently mention joint pain limiting exercise and praise low-impact routines like walking. Some express skepticism about "diet changes curing autoimmunity" while others report dramatic energy improvements and reduced medication needs. Beginners often feel overwhelmed by conflicting supplement advice but appreciate simple frameworks that fit real life without complicated meal prepping. A vocal minority debates the role of stress and gut health, with lived experiences highlighting how perimenopause amplified symptoms and how addressing insulin resistance finally moved the scale.
Clark, R. (2026). What I learnt as a physician about having Hashimoto for myself and what helped —. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/what-i-learnt-as-a-physician-about-having-hashimoto-for-myself-and-what-helped-how-a-functional-medicine-approach
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

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