b12 5000 mcg injectable Vitamin B-12 Solution 12 solution to be administered through injection only Intended for use in cattle Cyanocobalamin5000 mcgSterile Solution

doi: 10.1007/s00277-022-04917-5

It typically contains lipotropic compounds

Li X, et al

Since mouse microbiome profiles often highly correlate with body weight and fat composition, this study was designed to test whether the cecal microbiomes of DIO mice treated with NNMTi and LD were comparable to the microbiomes of age-matched lean counterparts and distinct from microbiomes of DIO mice maintained on a high-fat Western diet (WD) or subjected to LD switch alone

They can interfere with vitamin B12 absorption from food by slowing the release of gastric acid into the stomach and thereby lead to vitamin B12 deficiency [101-103]