Elderly take multivitamins for years: are there effects after three years?

According to Vietnam.vn, many elderly people regularly take multivitamins. The use is widespread, but the long-term effects are unclear.
After three years of daily multivitamin use, the health effects are still unknown. Vietnam.vn reports that there are no clear studies on the long-term results.
People who take multivitamins often do so as a precaution. It is unclear whether this leads to measurable health improvements after three years.
Vietnam.vn emphasizes that the benefits and risks of long-term multivitamin use need to be further investigated.
This report is a summary based on the mentioned source and is not medical advice. Always consult a doctor or pharmacist in case of complaints.