can u overdose on b12 injections Are Shots Safe? Royal Palm Beach Medical Group Compounded Cyanocobalamin (Vitamin B12) Injection

The Coenzyme Forms of Vitamin B12: Toward an Understanding of their Therapeutic Potential

One aspect of the invention pertains to small molecule quinoline derived cations of Formula I, wherein: R 1 is C 1-4 alkyl R 2 , R 3 , R 4 , and R 5 are independently selected from the group consisting of: H, C 1-4 alkyl, halogen-substituted C 1-4 alkyl, NR 9 R 10 , and CN R 6 is H or halogen R 7 is H, methyl, or NR 11 R 12 R 8 is H, C 1-4 alkyl, halogen-substituted C 1-4 alkyl R 9 , R 10 , R 11 , and R 12 are independently selected from H and C 1-4 alkyl

But, if either substances are pushed too quickly the resulting damage to the tissue can cause a nasty charley horse like pain that can persist for hours or days

The liver stores are a bit irrelevant to someone who has PA or a B12 absorption problem though because the mechanism that is used to release them relies on the same mechanism that is used to absorb most dietary B12 so accessing any stores is at best very inefficient