b12 injection red color for hi-res stock photography and images B12 vitamin Store Vitamin B12

The date listed on a supplement bottle lets you know that the supplement is likely to be most potent prior to that date, says Farrah Tavakoli, Pharm.D

As this compound has gone mainstream, this is the direction people who actually want to be careful are moving, and its where Id point you too

Again, just like other B vitamins, too much can contribute to headaches, so it is important to monitor your levels

Similarly, Miller says hes heard anecdotal reports of people feeling hyped-up after B12 injections

Individuals with Restricted Diets or Poor Appetite: Those with limited food choices, poor appetite, or eating disorders may have difficulty obtaining sufficient B vitamins from their diets