symptoms of too much vitamin b12 injection and Folate High B12 Levels in Blood:

I have now decided heaven is simply this: You lie on a heated table while angels wash and exfoliate your face for eternity while calling you queen. I walked in looking like I had been through several economic recessions and a situationship

(PubMed) Douaud G, Refsum H, de Jager CA, et al

These injections administer concentrated doses of vitamin B12 directly into the muscle, circumventing the digestive system

For example, if toothpaste tastes metallic or bitter, some people brush less frequently, increasing the risk of decay and gum disease

Vitamin B12 Dosages: Treatment or Supplementation

Diarrhea or Constipation: Gastrointestinal issues are common with injectable forms as well