Discover the power of Vitamin B12 in our latest video, "Top 10 Vitamin B12 Rich Foods for a Healthier You!" From enhancing ...

Vitamin B12 plays a key role in many bodily functions ... For example, a healthy person taking a 500 mcg oral B12 supplement will only absorb about 10 mcg. Although uncommon, it is possible ...

On the other hand, 250–500 mcg daily is good for maintenance. Higher doses may be needed for severe vitamin B12 deficiency. 3. Sublingual (under the tongue) or injections are better for those ...