No doctor’s appointment needed.
Here’s what the science says.
Side effects are rare and mild, but knowledge is always power.
If you’re deficient in the nutrient, getting more B12 may recharge your battery.
What the shots are good for, who should consider taking them, and how to give yourself a jab.
Google search suggests yes.
Experts say the vitamin can boost mood, energy, memory and more in folks who are deficient.