b12 injection with lidocaine HCl 1%, 10 mg / mL 20 mL Vitamin B12 Injection at a
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B12 Injections vs

The other form, 5-deoxyadenosylcobalamin, is a cofactor needed by the enzyme that converts L-methylmalonyl-CoA to succinyl-CoA

The numbers below come from two places: rodent studies scaled to a human size (allometric scaling) and several years of research community use reports

Maternal requirements for vitamin B12 increase during pregnancy
The COA lists the compound name, CAS number, lot number, analytical methods used (HPLC, LCMS), and the measured purity percentage
