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?

within the European Union.

But regardless of where a supplement is sold, a product being legally available does not guarantee that it is appropriate for every individual.

The dose, manufacturing quality, medical history, and possible interactions all matter.
When Are Supplements Actually Necessary?

Despite the risks associated with excessive consumption, nutritional supplements can be highly beneficial—and sometimes medically necessary.

People with confirmed deficiencies, restricted diets, certain digestive disorders, pregnancy-related nutritional requirements, or specific medical conditions may require supplementation.

For example, vitamin B12 supplementation can be essential for people with certain absorption disorders or diets that provide insufficient B12.

Vitamin D