When it comes to supporting your thyroid, food and lifestyle are key — but so are the nutrients fueling your body behind the scenes. If your thyroid isn’t functioning properly, one of the root causes could be a vitamin or mineral deficiency that’s flying under the radar.
At Empower Holistic Nutrition, I help clients get to the root of their thyroid symptoms — more often than not, nutrient support plays a major role in the healing journey.
So, what vitamins are most essential for thyroid health?
1. Selenium
Selenium is a powerful antioxidant that helps convert inactive thyroid hormone (T4) into its active form (T3). It also calms autoimmune activity, which is especially important in cases of Hashimoto’s thyroiditis.
Best sources: Brazil nuts, eggs, sunflower seeds, sardines.
2. Zinc
Zinc is crucial for the production of thyroid hormones and helps support immune function and repair. Many people with thyroid issues are low in zinc, especially if they’ve struggled with chronic stress or gut issues.
Best sources: Pumpkin seeds, beef, chickpeas, cashews.
3. Vitamin D
Vitamin D plays a big role in immune regulation and is commonly low in people with autoimmune thyroid conditions. Optimal levels can help reduce inflammation and support mood, energy, and hormone balance.
Best sources: Sunshine, salmon, egg yolks, and supplementation (especially during fall/winter or for those with low blood levels).
4. Iron
Low iron (especially ferritin, the stored form of iron) can affect your body’s ability to produce thyroid hormones. It also contributes to fatigue, hair loss, and brain fog…classic thyroid symptoms.
Best sources: Grass-fed red meat, lentils, spinach (paired with vitamin C for better absorption).
5. B Vitamins (Especially B12)
B vitamins are essential for energy production, nervous system support, and methylation — key processes in thyroid hormone regulation. B12 deficiency is especially common in those with Hashimoto’s or other autoimmune conditions.
Best sources: Animal proteins, eggs, leafy greens, nutritional yeast.
6. Iodine (With Caution)
Iodine is essential for making thyroid hormones, but too much can trigger or worsen autoimmune thyroid conditions. It’s important to assess levels and thyroid antibodies before supplementing.
Best sources: Seaweed, iodized salt, seafood — but always work with a practitioner before adding iodine to your routine.
Personalized Nutrient Support Matters
Even when you’re eating a healthy diet, stress, gut health issues, or chronic inflammation can block nutrient absorption. That’s why I take a functional nutrition approach — using lab testing and symptom mapping to identify what your body needs now.
Rather than throwing random supplements at the problem, we work together to develop a plan that supports your unique body and goals.
Want to Know What Nutrients You Might Be Missing?
Let’s talk. If you’ve been struggling with fatigue, brain fog, weight changes, or other thyroid symptoms, it may be time to dig deeper.
Book a free discovery call with me and let’s uncover the root of what’s going on — so you can finally feel like yourself again.
