can b12 be injected Vitamin Injection Choosing the Right Needle and
Description
Both appear below in the cycling section
If your iron, vitamin D, zinc or vitamin B12 levels are already normal, taking more usually won't suddenly give you thicker hair
For example, edible algae like Spirulina contain pseudovitamin B12, which is not bioavailable to humans
clinical trials
Gasparri C, Perna S, Spadaccini D, Alalwan T, Girometta C, Infantino V, et al
If you prefer the standard 1000 mcg dose, inform the doctor during your appointment
