Tryptophan Missense Mutation in the Ligand-Binding Domain of the Vitamin D Receptor Causes Severe Resistance to 1,25-Dihydroxyvitamin D

Vitamin D tests like D2, D3, and 25-hydroxyvitamin D are discussed before starting hair treatment. Vitamin D can be obtained from food, but overdose has side effects.

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.

The conversation is about a user experiencing accelerated hair loss after starting vitamin D3 supplements, suspecting a link between the supplement and increased DHT levels. The user decides to stop taking the supplements, preferring natural sources of vitamin D.

Vitamin D may counteract DHT and help with hair growth, as seen in mice and human hair cultures. Some users discuss using Vitamin D, magnesium, and other supplements for hair health, while others humorously note the success in mice.

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 experienced rapid diffuse hair thinning and is questioning if a vitamin D level of 32 could be the cause. They noticed a sudden loss of hair volume and density over 1-2 months.