Critically ill people: Nitrous oxide inactivates methionine synthase by way of oxidation of the cobalt in vitamin B12 and could bring about megaloblastic anemia. This enzyme is essential for vitamin B12 and folate metabolism and performs a role in DNA and RNA synthesis and also the synthesis of other substances. https://buy-nitrous-oxide01234.blogchaat.com/37434145/5-easy-facts-about-fast-gas-described