However, when considering shots, you'll want to consider a few things. One, they'll be more expensive than vitamin B12 supplements. They can also cause side effects, such as skin rashes, headaches, ...

Vitamin B12 is crucial for energy, brain function, red blood cell production, and nerve health.Vitamin B12 is essential for your body to function properly, and deficiency can lead to serious ...

Take one a day. $13.99 on Amazon (was $24.99) For metabolic support and a boost of energy, try these Jamieson vitamin B12 tablets. Naturally energizing and promotes immune and nervous system health.