Vitamin D3
Vitamin D3 can be used in supplemental form and topically to help treat hair loss. The recommended oral dosage is 400 IU/day for adults (including pregnant women). 29
Dietary Sources of Vitamin D3
- Cold-water fish (e.g., salmon and sardines) 222
- Dark green 222
- Leafy vegetables (small amounts) 222
- Egg yolks 222
- Fortified milk 222
- Mushrooms 222
Physiological Effects and Benefits of Vitamin D3
- Animal studies suggest that vitamin D3 is involved in regulating the hair growth cycle and stimulates hair growth. 29
- Application of topical vitamin D3 protected against anagen hair loss in cancer patients treated with some (but not all) chemotherapy drugs. 165
- Required for proper thyroid gland functioning.222
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