To learn more about the benefits, risks, & differences of compounded medication substitutes you may visit the FDA Drug Shortage List & FDA Compounding Substitutions Information Page
S-adenosylhomocysteine (SAH) and homocysteine are produced when SAM donates its methyl group
The variable R group gives rise to the four most commonly known cobalamins: cyanocobalamin (CNCbl), methylcobalamin (MeCbl), adenosylcobalamin (AdCbl, also known as cobamamide or 5-deoxyadenosylcobalamin), and hydroxocobalamin (OHCbl)
The best method depends on you, your need, and your comfort level with B12 shots and the subcutaneous method may be the most useful, safe, and convenient way for you
As your body ages, it becomes less efficient at breaking down micronutrients and delivering them where they are most needed