Can Graves’ Disease Be Treated with Diet? What the Research Says

Introduction

Many people ask: can Graves’ disease be treated with diet? This question often comes up for those hoping to avoid medication or take a more holistic approach.

Short answer: No – Graves’ disease cannot currently be treated or reversed by diet alone. There is no high-quality evidence (such as randomised controlled trials) showing that diet alone can induce remission. 

What is Graves’ Disease?

Graves’ disease is an autoimmune condition and a common cause of hyperthyroidism. It occurs when the immune system produces antibodies that stimulate the thyroid to produce excess hormones.

Can Graves’ Disease go into remission?

Antithyroid drugs (ATDs) can lead to remission in 30–50% of adults after 12–24 months of treatment (Kim et al., 2022), with higher rates reported over longer durations.

The medication does not directly address the root cause. However, it reduces thyroid hormone production which gives the immune system time to stabilise.

Can Graves’ Disease be treated with diet?

There is no strong scientific evidence that diet alone can treat or reverse Graves’ disease, with current evidence limited to case reports and observational data (Kim et al., 2022).

• Evidence is limited to case reports and small observational data
• No randomised controlled trials (RCTs)
• No large cohort studies

However, addressing potential nutrient gaps (such as iodine, iron, and vitamin B12) may still be important for overall health, particularly in plant-based diets. You can read more about this in my guide to vegan diet deficiencies and how to prevent them. Lifestyle factors may also support symptom management. Blood sugar regulation is one example, as hyperthyroidism can increase glucose variability and contribute to symptoms like shakiness and disrupted sleep (see my full article here: Does Graves’ disease affect blood sugar).

Also, I’ve broken down the full evidence for specific diet and lifestyle approaches in detail here: Diet and Lifestyle Approaches Studied in Graves’ Disease: What the Evidence Says. Some dietary approaches (such as the Mediterranean diet) may improve inflammation and quality of life, but have not been shown to induce remission in Graves’ disease (Ruggeri RM et al., 2022).

One example is iron, which may require attention in plant-based diets, particularly as low iron levels can contribute to fatigue. You can explore this further in my guide to vegan iron-rich foods.

Can Graves’ Disease go into remission without medication?

A small number of case reports describe remission of Graves’ disease alongside intensive lifestyle changes. However:

• These involve multiple interventions at once
• They do not prove cause and effect
• They are not generalisable

Which dietary approaches have the strongest evidence for Graves’ Disease?

The most evidence-supported strategies are those that address the physiological effects of hyperthyroidism rather than attempting to directly treat the autoimmune cause.

Calcium and vitamin D

Supported by clinical guidelines to protect bone health in hyperthyroidism.

Protein and calorie adequacy

Well established in clinical nutrition to help prevent muscle loss and support the body during a hypermetabolic state.

Iodine balance

Excess iodine is known to worsen Graves’ disease, making iodine management clinically important.

Selenium

Has some evidence from clinical trials, particularly for improving Graves’ eye symptoms, though not for inducing remission.

Other dietary approaches, such as gluten elimination, dairy avoidance, probiotics, or specific anti-inflammatory diets, currently have limited and inconsistent evidence in Graves’ disease and are not yet supported by high-quality clinical research. However, interest in the gut microbiome is growing, and some early studies on probiotics have shown potentially promising immune effects. 

Key takeaways

• The most evidence-based approach is to combine medical treatment with supportive nutrition and lifestyle strategies
• Diet alone cannot treat or reverse Graves’ disease
• Remission is possible, but typically occurs with medical treatment
• The strongest evidence supports strategies that address the effects of hyperthyroidism, such as maintaining adequate protein intake, supporting bone health, and avoiding excess iodine
• Case reports suggest lifestyle may play a role, but evidence is limited and not causal

Bottom line:
Graves’ disease cannot currently be treated with diet alone.
While nutrition and lifestyle changes may support symptoms and overall health, medical treatment remains the most evidence-based approach.

FAQs

References

Kim HJ (2022). Long-term management of Graves disease: A narrative review. Journal of Yeungnam Medical Science. https://doi.org/10.12701/jyms.2022.00444

Ruggeri RM et al. (2021). Influence of dietary habits on oxidative stress markers in Hashimoto’s thyroiditis. Thyroid. https://doi.org/10.1089/thy.2020.0299

Sharabati I et al. (2024). The efficacy and safety of selenium supplementation versus placebo in the treatment of Graves’ orbitopathy: a systematic review and meta-analysis of randomised controlled trials. Clinical Endocrinology. https://doi.org/10.1111/cen.15128

Gorka J et al. (2013). Metabolic and clinical consequences of hyperthyroidism on bone density. International Journal of Endocrinology. https://doi.org/10.1155/2013/638727