'Benefits' of vitamins all in head of the worried well

Regular multivitamin and mineral users feel better than non-users but are not in ruder health, shows US research

Self-prescribed multivitamin and multimineral supplements do not lead to better health outcomes — except in the heads of the ‘worried well’, US research suggests.

Based on data from more than 21,600 US adults, those who regularly took non-prescribed, OTC supplements (4933 of participants) did not experience better clinical outcomes than those who did not, according to a study from Harvard University in Massachusetts.

A history of chronic conditions including asthma, diabetes, cancer and chronic heart disease