b12 injections how long to take effect for Injections: Who Should Get Them and Do They Last? Seeing Red: Do B12 Injections – Side Effects of B12 Injection

B12 from food and supplements has to pass through a fairly involved process in the stomach and gut before your body can use it, and that process becomes less efficient with age, with certain medications, and with diets that include little or no animal protein

Typically, the cost for a Vitamin B12 injection without insurance coverage ranges between $20 and $80 per injection

For over 60 years high dose vitamin B12 treatment has been used without any signs of the danger of an overdose

OConnell T, Clemmons DR

The legal and health risks of obtaining these compounds through grey-market channels are therefore considerable