How to Heal Hashimoto’s Naturally: A Functional Medicine Approach
- Secily Kenyon
- Jan 30
- 3 min read

The goal isn’t just to replace hormones but to reduce autoimmune activity, restore thyroid function, and improve overall metabolism.
1. Heal the Gut to Calm Autoimmunity
Did you know 80% of your immune system resides in the gut? When the gut lining is compromised (leaky gut), undigested food particles and toxins can enter the bloodstream, triggering immune attacks—including against the thyroid.
Steps to Heal the Gut
✅ Eliminate gluten – Research shows gluten mimics thyroid tissue, worsening autoimmunity.✅ Reduce dairy and soy, which can trigger inflammation in sensitive individuals.✅ Add gut-healing foods – Bone broth, fermented foods (kimchi, sauerkraut), collagen peptides.✅ Support microbiome balance with probiotics and prebiotics.
2. Balance Blood Sugar to Reduce Inflammation
Blood sugar fluctuations can worsen thyroid function and drive inflammation. Hashimoto’s patients often struggle with insulin resistance, making weight loss difficult.
Blood Sugar Stabilizing Tips
✅ Ditch processed carbs & sugar – Stick to whole, nutrient-dense foods.✅ Pair protein + healthy fats at every meal to prevent blood sugar crashes.✅ Try intermittent fasting (IF) cautiously – A 12–14 hour fasting window can improve insulin sensitivity.
3. Optimize Nutrient Levels for Thyroid Function
Many people with Hashimoto’s are deficient in key nutrients needed for thyroid hormone production.
Critical Nutrients & Where to Get Them
Nutrient | Why It Matters | Food Sources | Supplement Dosage |
Selenium | Reduces thyroid antibodies | Brazil nuts, eggs, seafood | 200 mcg/day |
Zinc | Supports T4 to T3 conversion | Oysters, beef, pumpkin seeds | 15–30 mg/day |
Magnesium | Anti-inflammatory, supports thyroid | Leafy greens, almonds | 200–400 mg/day |
Vitamin D | Regulates immune function | Sunlight, fatty fish | 2,000–5,000 IU/day |
B12 | Prevents fatigue, supports metabolism | Grass-fed meat, eggs | Methylated B-complex |
💡 What about iodine? While iodine is essential for thyroid function, too much can worsen Hashimoto’s. If supplementing, balance it with selenium to avoid triggering autoimmunity.
4. Reduce Stress & Support Adrenals
Chronic stress elevates cortisol, which can:⚡ Suppress thyroid function.⚡ Convert active T3 into inactive reverse T3 (rT3).⚡ Worsen adrenal fatigue.
How to Support Your Adrenals
✅ Prioritize sleep – Aim for 7–9 hours of quality sleep.✅ Practice mindfulness – Meditation, deep breathing, or journaling.✅ Use adaptogens – Ashwagandha and Rhodiola help lower cortisol.
5. Strength Training to Boost Metabolism
People with Hashimoto’s often lose muscle mass and struggle with a slow metabolism. But muscle is an endocrine organ that improves insulin sensitivity and reduces inflammation.
Best Exercise Plan for Hashimoto’s
🏋️ Prioritize resistance training (3–4x per week) for muscle maintenance.🚶 Incorporate walking & Zone 2 cardio (low-intensity movement).🚫 Avoid excessive HIIT or long-duration cardio, which can spike cortisol.
6. Get the Right Labs (Beyond TSH!)
Most doctors only check TSH, but this doesn’t tell the full story. To truly assess thyroid function, request:
✅ Full Thyroid Panel – TSH, Free T4, Free T3, Reverse T3, TPOAb, TgAb.✅ Cortisol Testing – If you suspect adrenal dysfunction.✅ Comprehensive Gut Testing – If you have digestive issues.✅ Blood Sugar & Insulin Markers – Fasting glucose, HbA1c, fasting insulin.
Final Thoughts: Take Control of Your Thyroid Health
Hashimoto’s isn’t just a thyroid problem—it’s an immune system and metabolic issue. By taking a functional medicine approach, you can reduce inflammation, restore energy, and support long-term thyroid health.
📌 Key Takeaways:✅ Heal the gut to reduce autoimmune triggers.✅ Balance blood sugar for better metabolism.✅ Optimize key nutrients (selenium, zinc, magnesium, vitamin D).✅ Manage stress & support adrenal health.✅ Prioritize resistance training to maintain muscle.✅ Get comprehensive lab testing beyond TSH.
💬 Have you been diagnosed with Hashimoto’s? Let me know what’s worked for you—or if you need help navigating your healing journey!
🔹 Need personalized guidance? Let’s create a custom plan to help you heal naturally from Hashimoto’s! 💙
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