Injectable vitamins may have some benefits over oral vitamin supplements, as they are absorbed directly into the bloodstream and dont have to undergo the digestive process where some of the vitamins are lost
Rats were bred in-house at the Animal Pharmacology Facility, School of Medicine, Zagreb, Croatia
But in people who use laughing gas (also called nitrous oxide, nos, whippets), homocysteine is the best test
B-12 - contraindicated in Lebers disease (optic atrophy)
Lifestyle factors such as heavy smoking and drinking or a poor diet over a prolonged period can also lead to low B12 levels or deficiency
It also plays a role in supporting keratin, the protein closely tied to hair, skin, and nail structure