Taking vitamins without knowing whether your body needs them has become a common health habit. But what happens when the supplements meant to protect your health begin working against it?

present in other supplements, and whether the proposed dosage is appropriate.

Reading ingredient labels carefully is especially important.

Consumers should also consider potential interactions with prescription medications and existing health conditions.

Blood tests can be useful for selected nutrients, such as vitamin D, iron status, and vitamin B12, when medically indicated. However, routine testing for every vitamin is not necessary for everyone.

People taking multiple supplements should periodically review their complete regimen with a qualified healthcare professional.

And importantly, anyone using medically prescribed supplements should not stop treatment simply because excessive supplementation can be harmful.
The Bigger Question: Have We