The quality of this powder is paramount
Unlike oral supplements, which must go through the digestive system and may be poorly absorbed, B12 injections bypass the gastrointestinal tract entirely
A prolonged deficiency leads, in the worst case, to lethal anemia, irreparable nerve damage, severe paralysis, chronic pain, severe mental and psychological symptoms and a complete lack of energy
Metformin, commonly prescribed for diabetes, and proton pump inhibitors used for acid reflux can both reduce B12 absorption over time
Allergic Reactions: Although rare, some people may experience itching or a rash
What are the side effects of b12 injections