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Here's Why I Would Recommend Cod Liver Oil to Those with Thyroid Problems (Hypothyroidism)

author avatar Dr. Eric Berg 05/16/2021

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Should you take cod liver oil for hypothyroidism? Here's what you need to know.


0:00 Cod liver oil and hypothyroidism

0:10 Why cod liver oil may be beneficial for hypothyroidism

1:45 The best sources of vitamin A

3:08 Bulletproof your immune system 

If you have hypothyroidism, you may want to take cod liver oil. Here's why.

The thyroid needs three main nutrients:

1. Vitamin A

2. Iodine

3. Selenium

Iodine makes up the thyroid molecule. When we talk about T4 or T3, we're talking about the number of iodine molecules. Selenium is involved in an enzyme that allows the conversion from T4 to T3 (the active form of the thyroid hormone).

Vitamin A is involved in another hormone called thyroid-stimulating hormone, which is created from the pituitary and sent down to the thyroid. One way they diagnose a hypothyroid case is if the thyroid-stimulating hormone has increased. If you have a vitamin A deficiency, you likely have an increase in thyroid-stimulating hormone. This could increase the size of the thyroid and decrease the absorption of iodine.

I believe the best source of the active form of vitamin A (retinol) is cod liver oil.

Other foods high in vitamin A are:

• Liver

• Butter

• Egg

• Fatty fish

• Cheese

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