B12 supplements can come in a variety of forms — spray, liquid, capsule — which can make it difficult to know what to buy.

One of the best ways to maximize absorption is through proper gut health. Before trying supplements, it's important that you ...

Your doctor will give you the right dosage of vitamin B12 supplement, especially if you will inject it. Taking too much can cause side effects like nausea, headache, dizziness, and, in some cases ...