hypokalemia with b12 injection What You Need to Know About Vitamin Vitamin B12 shots: Uses, benefits,
Description
If you see even a trace of blood, it means the needle has entered a blood vessel
Benefits & requirement of Vitamin B 12 Vitamin B12 is a source of power micronutrient for a whole host of reasons
Contribution of gut bacterial metabolism to human metabolic disease

Vitamin B-12 deficiency is not super common in the U.S
I hope it goes away soon and you are past all this and moving on with life
