![NOW Solutions B-12 B-Complex Liquid](https://images.chickadvisor.com/item/25328/large/default.jpg)
I, along with my whole family have been using Now B-12 Liquid complex for a couple of years now. It is potent so follow instructions. I recently went to do some blood work and found out I was overdosing on this and my B-12 in my blood had sky rocketed which is not good. Now I...