Taking too many vitamins? Researchers say it could increase cancer risk

The booming supplement industry has encouraged millions of people to rely on pills and powders that promise stronger immunity, better metabolism and long-term disease protection. This shift comes at a time when wellness routines are rising in popularity and people are looking for convenient shortcuts to meet nutritional goals without major diet changes. But as supplements become part of everyday habits, researchers and clinicians are questioning what happens inside the body when concentrated nutrients build up far beyond natural levels. These concerns have sparked deeper scientific examinations into whether excessive supplementation may influence pathways involved in cancer development, an issue explored in detail in the journal Cancers. While supplements are often viewed as harmless,