Long-term multivitamin use in the elderly: what are the effects?

A report by Vietnam.vn states that researchers are investigating the impact of long-term daily multivitamin use in the elderly. The focus is on the effects after three years.
It is not clear whether the study has already produced concrete results. According to the source, possible health benefits and side effects are being examined.
Multivitamins are often taken to compensate for deficiencies. The study could contribute to the understanding of long-term effects for this target group.
This report is a summary based on the mentioned source and is not medical advice. In case of complaints, always consult a doctor or pharmacist.