People with alopecia areata, an autoimmune condition that causes hair loss

https://www.notion.so/This-active-form-of-vitamin-B12-aids-in-the-production-of-neurotransmitters-like-dopamine-and-norepi-89083e2ae0f34ff2a746450d283cfd71?pvs=4

People with alopecia areata, an autoimmune condition that causes hair loss, may benefit from methylcobalamin B12 supplementation to support hair regrowth