http://www.b12vitaminsbenefits.com/
Vitamin B12 is considered unique among all vitamins since it the only one that contains a metal ion, called cobalt. There has never been any toxic or adverse vitamin B12 side effects associated with large intakes of the vitamin. Whether from food or supplements vitamin B12 side effects are nonexistent in healthy people.
You shouldn't have to... maybe you are having too much soy. That can cause problems. Get more protein from legumes.
ItsJustJulianna 4 months ago
I have to take this supplement everyday to stop hair loss because I'm a vegetarian.
ccarrieb 9 months ago