vitamin b12 injection diarrhea Are Shots Right for You? Oral vs. Intramuscular Vitamin B12
Description
Vegetarians and vegans may need to take an over-the-counter B12 supplement to ensure they're getting enough, but people with vitamin B12 absorption issues may require prescription B12 injections

Individual results depend on dose, adherence, lifestyle, and medical history, and are determined in consultation with your licensed provider

Well-tolerated in preclinical models at effective dosages
If morning dosing is logistically impossible

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Split dosing is unnecessary and suboptimal
