Vitamins you are likely deficient in and may need to take depending on your ED, a thread:

BN:
Vitamin B12/Complex
Vitamin C, D, E, and K
Folic acid
Potassium
Zinc
Riboflavin
Vitamin A

Vitamin B12 helps keep the body's nerve and blood cells healthy and helps make DNA. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. People with this ED are often deficient because B vitamins are lost through purging.

AN:
Vitamin D
Calcium
Vitamin C
Omega 3
Iron
Zinc

Vitamin D helps regulate the amount of calcium and phosphate in the body, which are needed to keep bones, teeth, and muscles healthy. People with this ED are often deficient in this vitamin due to food restriction and not enough vitamin intake.

BED:
Calcium
Magnesium
B vitamins
Omega-3s
Zinc