Increased Calcidiol Level in Redhaired People: Could Redheadedness Be an Adaptation to Temperate Climate?

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.

The conversation discusses hair loss treatments, including oral finasteride, topical minoxidil, and microneedling, and the potential impact of Vitamin D and folic acid deficiencies on hair regrowth. It suggests that while male pattern baldness is the primary cause, addressing vitamin deficiencies may aid in improving regrowth.

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 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.

Vitamin D supplementation may have led to slight hair regrowth and density improvement. Other treatments discussed include finasteride, minoxidil, and maintaining optimal vitamin D levels.