including high dose supplements with 1,000 mcg to 2,000 mcg per serving. Research suggests that high dose oral supplements may be as effective as intramuscular injections at treating vitamin B12 ...

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

To make it easier to remember, Clark recommends pairing your B12 supplement with an existing habit, like brushing your teeth ...

Vitamin B12 supplements are available in various forms, including pills, liquids, and injections ... that dissolves quickly to deliver 1000 mcg of vitamin B12 and 200 mcg of Folic Acid in each ...