why do you take b12 injections Need a Prescription for Injections? how long before vitamin b12
Description
Do I Need a B12 Boost
The question is with regard to IV (parenteral) B12 and the shot is IM

For someone who has difficulty getting enough B12 due to underlying health conditions or diet, this helps offset the need for smaller daily increments of B12 from diet or oral vitamins

The study, led by Astrup A and Madsbad S, involved obese subjects who received different doses of Tesofensine or a placebo for 24 weeks
