After 20 years, a common myth has been debunked. It doesn't reduce the risk of cancer, heart attacks, or strokes.

Authors: PAP ; Prepared by KKR • Source: PAP, jamanetwork.com • Published: July 26, 2025 12:00 • Updated: July 26, 2025 12:29
Multivitamins don't extend life, a large study confirms. Twenty years of observation of nearly 400,000 healthy Americans showed that regularly taking multivitamins doesn't reduce the risk of cancer, heart attacks, or strokes.
In the USA and many other Western countries, a large group of adults regularly take multivitamin preparations with the hope of improving their health and, consequently, extending their lifespan.
As scientists from the American National Cancer Institute point out, research conducted on this subject so far has yielded ambiguous results.
To look at these relationships in more detail, the researchers analyzed data from large studies of residents in different parts of the United States.
These projects involved a total of over 390,000 healthy adults who were followed for over 20 years.
This study took into account numerous demographic and lifestyle factors that could have influenced the results, yielding more accurate results than previous studies.
It turned out that people taking daily multivitamins did not reduce their risk of death from any cause . There were also no differences in deaths from cancer, heart disease, or cerebrovascular disease.
Researchers also emphasize the need to study the impact of multivitamins on the health and risk of death of people from various populations, for example those with deficiencies of important nutrients in their diet or in the elderly.
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