Vitamin B12 is typically well-tolerated, but in very rare cases, there are serious side effects to be aware of. Learn more about them here.
Medically reviewed by Leigh Weddle, PharmD Vitamin B12 and magnesium are essential nutrients for energy production, nervous ...
If you're considering a vitamin B12 supplement because of certain dietary restrictions, medical conditions or your age, this is what you need to know. Whether you have a vitamin B12 deficiency or want ...