Diet

• Follow a either a Mediterranean-type diet with adequate protein and good fat or an anti-autoimmune diet.Mediterranean diet
  Mediterranean Diet 101: A Meal Plan and Beginner’s Guide
  https://www.healthline.com/nutrition/mediterranean-diet-meal-planAutoimmune diet
  AIP (Autoimmune Protocol) Diet: A Beginner’s Guide
  https://www.healthline.com/nutrition/aip-diet-autoimmune-protocol-diet#list-of-foods-to-eat-avoid
• Brassica family foods: avoid eating these foods raw. Consider steaming, boiling or baking.
• Gluten: avoid or reduce
• Soy foods: reduce or avoid

Substances

• avoid household products containing chemicals
• limit use of plastics for food serving and storage

Nutrients to supplement daily

• Probiotics – supports healthy intestinal microbiome
• Multivitamin/mineral or B-complex – broad-spectrum nutrient support
• Vitamin C – antioxidant, supports glutathione producton
• Vitamin D – anti-inflammatory properties
• Selenium – antioxidant and anti-autoimmune action by supporting glutathione producton 
• Omega-3 fatty acids – anti-inflammatory

Further steps

• Ensure consumption of iron-containing foods.
• Look at addressing stress.
• Decrease consumption of food with pesticides.
  Good guides for avoiding or reducing the most contaminated foods:
  https://www.ewg.org/foodnews/dirty-dozen.php
  https://www.ewg.org/foodnews/clean-fifteen.php
• Consider supporting chemical and heavy metal detoxification with the help of a qualified practitioner.

Additional nutrients to consider supplementing

(see each nutrient for food sources and dosing information)

• Vitamin A – supports normal thyroid system function
• Iodine – required to make T4
• Iron – supports thyroid hormone synthesis
  (supplement only if confirmed low on a blood test)
• Zinc – required to make thyroid hormones

If you are taking medications

• Ask your doctor if they may be contributing to your hypothyroid symptoms, and what can be done about it.
• Research any associated nutrient depletions and consider supplementing those nutrients
• Do not discontinue taking medications without consulting with your doctor

Seek qualified guidance

• Consider working with someone trained in Orthomolecular practice.