vitamin b12 and vitamin d injection together Can I Take Together? Can You Take Vitamin D

297 , F106F113 (2009)

The time it takes to feel the benefits of a B12 injection can vary depending on the individual and the reason for the injection

[DOI] [PMC free article] [PubMed] [Google Scholar] 45.Stromsdorfer KL, Yamaguchi S, Yoon MJ, Moseley AC, Franczyk MP, Kelly SC, Qi N, Imai S, Yoshino J

Although cyanocobalamin is more readily absorbed, much of it is excreted through the urine before it can reach the cells Cyanocobalamin vs Hydroxocobalamin In comparison to hydroxocobalamin, cyanocobalamin has a significantly worse absorption rate and storability, which is why today mostly hydroxocobalamin is used in B12 injections