Check out our top picks below. Nature Made Vitamin B12 1000 mcg sublingual supplement is a great option for anyone looking to support their energy metabolism. The tablets dissolve quickly under ...

The sublingual delivery method ensures that ... We highly recommend Natural Nutra Vitamin B12 1000 mcg for anyone looking for a natural and effective supplement to boost their metabolism, promote ...

“I typically recommend a liquid or sublingual vitamin B12 supplement with at least 50 ... B12 may decline so I often ...

such as 500 mcg or 1,000 mcg, but because your body absorbs only a small percentage, those doses are considered safe. A prescription form of vitamin B12 can be given as an injection, notes the NIH ...