Email us for help
Loading...
Premium support
Log Out
Our Terms of Use and Privacy Policy have changed. We think you'll like them better this way.
B12 - Should we all be taking this precious red vitamin every few months (or more often) to reach our fullest potential? Which of the four forms is best? And where should my numbers be on lab tests? In a feisty episode, Chris and Mike inject you with the answers to optimize your smartness and make you an all-around better person.