will b12 injections make you sick 10 Reasons to Look Into Vitamin B12 Injections for Weight Loss:

I have pernicious anemia

For many people, it comes on suddenly, overnight, or within the first minutes of waking up, with no apparent cause

Deficiency can lead to anemia, nervous system damage, and fatigue, making it essential for those on a vegan or vegetarian diet to find reliable B12 sources

If you have several of those symptoms, please see your GP for a blood test

Intestinal monoacylglycerol metabolism: developmental and nutritional regulation of monoacylglycerol lipase and monoacylglycerol acyltransferase

Our charity (the b12 society) advise all b12 patients to eat a rich potassium diet to protect themselves from hypokalemia during loading doses of vitamin b12