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.

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Vitamin D supplements are widely used for bone health and immunity, but excessive intake can lead to silent side effects.

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 ...

Learn which supplement is best for preventing and treating respiratory viruses, how to take them, and side effects to watch ...