What is Hashimoto's?
Hashimoto's thyroiditis is an autoimmune condition — your immune system mistakenly attacks your thyroid gland, causing it to produce less thyroid hormone over time. It's the most common cause of hypothyroidism in Australia.
As with many autoimmune conditions, there's a lot of interest in whether diet can influence the immune response and thyroid function.
What the evidence says
There's no specific 'Hashimoto's diet' that's been proven to treat the condition. However, some general dietary principles are beneficial: an anti-inflammatory diet rich in whole foods, fruits, vegetables, and omega-3s may support overall immune health.
One important consideration is iodine. Both too much and too little iodine can affect thyroid function. If you have Hashimoto's, talk to your GP before taking iodine supplements or dramatically changing your diet. Selenium and vitamin D may also play a role, but should be discussed with your GP.
The bottom line
Diet can support your overall health and wellbeing with Hashimoto's, but it doesn't replace thyroid medication. Levothyroxine is the primary treatment, and no dietary change has been shown to eliminate the need for it.
If you're interested in dietary changes, work with your GP or a dietitian who can help you make safe, evidence-based adjustments. Be cautious of restrictive diets or supplements marketed specifically for thyroid health — many lack evidence and some may be harmful.
Related condition
Thyroid health →References & sources
- 1.Hypothyroidism — healthdirect
- 2.Thyroid gland — healthdirect
- 3.Thyroid gland — Better Health Channel
This content is general information and not a substitute for individual medical advice. Please consult a GP for your personal situation.
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