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 ...

At a dose of 1,000 mcg of vitamin B12 per dropper ... sprays may absorb better than a capsule or intramuscular (IM) injections. It’s also third-party tested, so you can trust its purity and ...

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