The remaining cobalamin molecule is absorbed and turned into an active form of vitamin B12 that your body can use ...

Discovering the formula and investigating the structure of vitamin, B12. (It contains 181 atoms!) Worked out the structure of another important molecule: insulin. Hodgkin's work has also saved ...

While the Government of India’s Scientific Committee approved the molecule’s safety in 2019 ... the permitted forms of Vitamin B12 currently include cyanocobalamin and hydroxocobalamin.