Some of the roles that are attributed to vitamin B12 include: Forming red blood cells Playing a role in DNA/RNA synthesis Acting as a cofactor for methionine synthase (helping with methylation or the conversion of homocysteine to methionine, which protects cardiovascular health and more) Facilitating metabolic conversion of protein and fats Carrying out neurotransmitter functions and helping with production of hormones Helping convert amino acids and make creatine Producing myelin sheath (the coating of nerves) Helping with synthesis of hemoglobin Playing a role in fetal development during pregnancy How Much Do You Need
The second is dose and route translation : even where an effect is real in a mouse, the human-equivalent dose is not a simple body-weight scaling, and as the route section above stressed there is no human bioavailability figure to anchor an oral-versus-injected comparison
A Retired RN About Vitamin B12 Injections | Vitamin b 12 injection sites, Intramuscular injection sites thigh, Intramuscular injection sites nursing Skip to content Explore When autocomplete results are available use up and down arrows to review and enter to select
Sources Stadtman ER, Overath P, Eggerer H, Lynen F (1960) The role of biotin and vitamin B12 coenzyme in propionate metabolism
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Protects your heart and arteries