Serum 25-Hydroxyvitamin D Levels in Alopecia Areata, Female Pattern Hair Loss, and Male Androgenetic Alopecia in a Chinese Population

Vitamin D deficiency is linked to hair loss, and supplementation with vitamin D can improve conditions like androgenic alopecia and telogen effluvium. Users discussed various dosages of vitamin D, emphasizing the importance of getting blood tests to determine the appropriate amount.

The user is experiencing hair thinning and has a vitamin D deficiency, which they suspect might be causing the issue, but they are also considering androgenic alopecia (AGA) as a cause. They are currently using minoxidil and are unable to get finasteride prescribed, while others suggest addressing the vitamin D deficiency and consulting a dermatologist.

A 24-year-old male is experiencing hair loss due to low ferritin and vitamin D deficiency, and is using iron supplements, vitamin D3, finasteride, and ketoconazole shampoo for treatment. Users suggest increasing vitamin D and iron intake for better results and recommend consulting a professional for proper dosage.

A 20-year-old is experiencing hair thinning due to vitamin D deficiency and has completed a vitamin D prescription without seeing improvement. Suggestions include waiting a few months for potential regrowth or considering treatments like minoxidil or finasteride for androgenetic alopecia.

Hair loss is likely due to male pattern baldness, not vitamin D deficiency. Taking 60k vitamin D tablets weekly is not recommended; 2k per day is sufficient.

A user with diffused thinning hair has been using topical minoxidil for over three years with little improvement and is now taking finasteride regularly. They were found to be vitamin D deficient and are on a 20,000 IU weekly prescription, seeking advice on whether correcting the deficiency can aid hair regrowth.