Start: Begin around 300 mcg per day to gauge tolerability, then adjust as needed
Athletes: High levels of physical activity can deplete B12 levels, making injections a great way to maintain peak performance
To achieve blood levels of at least 30 ng/mL, adults living at temperate latitudes (think: anywhere with distinct seasons) need 800 to 1,000 IU per day, ideally from vitamin D3, which is more effective than D2
In others, the cancer itself or its treatment may trigger the production of autoantibodies
A physician at one clinic who voted yes framed it directly: "As a physician, I have to make sure that I'm keeping patients as safe as possible." Pushing these compounds entirely underground does not accomplish that
Disclaimer: The information provided herein are for informational purposes only and not intended to be a substitute for professional medical advice, diagnosis, or treatment