To help separate the good from the bad, we asked Alexa Mullane to share her recommendations on the best vitamin B12 supplements to buy, along with advice on how to take them
It is important to consider any medical conditions when determining the frequency of B12 injections
Vitamin B12 Injections: The Direct Approach Vitamin B12 injections deliver the nutrient directly into muscle tissue, bypassing the digestive system entirely
For suspected macro-B12, precipitation with PEG is the test most often reached for, though it is nonspecific and can remove B12 that is fully available to cells, so direct measurement of the binding proteins, haptocorrin and transcobalamin, may be more informative when it is available
[1] Use a new sterile needle and syringe for each withdrawal (multi-dose vial technique), and swab the rubber stopper with alcohol
Metabolic Regulation