Nature's Aid Vitamin B12 1000ug Sublingual Tabs have been carefully created by expert nutritionists at Nature's Aid.Each handy tablet provides 1000μg of Vitamin B12 as Methylcobalamin and is designed to slowly dissolve under the tongue rather than being swallowed, bypassing the digestive system, and making this product suitable for those taking antacid tablets.What is Vitamin B12?Vitamin B12 is a member of the B Vitamin family, and like all the others, it is water-soluble and required to be consumed daily to support numerous different bodily functions. Vitamin B12 is mainly found in animal-sourced foods, so it is thought that those following a vegan diet may be at risk of suffering from Vitamin B12 deficiency. Those on long-term antacid tablets may also be at risk of low B12 because the action of these medications may impact the body’s ability to absorb Vitamin B12.  What are the benefits of Vitamin B12 in the body? Vitamin B12 is well known for its role in supporting the formation of red blood cells, as well as helping to reduce tiredness and fatigue. Other roles played by Vitamin B12 include:Supporting normal energy-producing metabolismSupporting healthy psychological functionSupporting the nervous system.