can b12 injections cause late period Vitamin Deficiency and Multiple Sclerosis Vitamin B12 | The BMJ
Description
Vitamin D Shots Vitamin D is an essential nutrient that plays a crucial role in maintaining good health

At this point, a literature search revealed pigmentation in vitamin B12 deficiency can masquerade as addisonian pigmentation
A challenge with this vitamin is that some people can eat plenty of B12-rich foods but still can't absorb it properly
However you often and easily blunt the first needle drawing up the fluid from the glass vial so I think it's always recommended to switch to a new second smaller needle for the injection