Methylcobalamin B12 vs Cyanocobalamin B12
There are two forms of vitamin B12 that you’re likely to come across – methylcobalamin and cyanocobalamin.
This is one of the easiest ways to determine the quality of a brand of vitamins. What type of B12 are they using? Now I am not saying this is the end all test to determine complete quality in a vitamin, but this is a very important place to start.