Chicken, broccoli, and brown rices are good dietary sources of selenium.

The recommended dosage for healthy hair growth is 55 mcg/day. 2

Dietary Sources of Selenium

Physiological Effects and Benefits of Selenium


Do not exceed 200 mcg/day 35

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If you have hypothyroidism, avoid eating raw and limit cooked servings to no more than 3 per week because it contains a substance that inhibits thyroid function.