side effects of too much b12 injections symptoms vitamin injection What You Need to Know About Vitamin B12 Overdose: How Much – What Does a B12 Shot

While limited evidence supports this, the practice is common

This can cause a number of different health conditions, including general physical symptoms and even all the way to neurological symptoms if you are really deficient in the vitamin for too long Some of the main symptoms of this B12 deficiency include: General symptoms: Having yellowish skin Feeling like the tongue or mouth is sore Weight loss Not feeling as hungry as usual Experiencing diarrhea, vomiting, or nausea Feeling weak or tired Neurological symptoms Having trouble with speaking or walking after having a deficiency for too long Having a hard time remembering things, or you can get easily confused

Kettmann, Steve (May 9, 2024)

Always check the manufacturer's guidelines to determine if refrigeration is necessary

gives me lots of energy

This damage is irreversible