Cookies on this website

This website would like to use analytics cookies. These send information about how our site is used to a service called Google Analytics. We use this information to improve our site.

Let us know if this is OK. We'll also use a cookie to save your choice. You can read more about how Google uses cookies.

Hydroxocobalamin

NHS information about hydroxocobalamin, including what it's used for, who can take it, how to take it and side effects.