Effect of physical activity and age on plasma copper, zinc, iron, and magnesium concentration in physically active healthy males.

•Physical activity and age influence the plasma levels of copper, zinc, iron, and magnesium in physically active healthy individuals.•Moderate physical activity appears better than vigorous physical activity in maintaining plasma copper levels with advancing age.•Physical activity (both moderate and vigorous) significantly lowered plasma zinc levels.•Physical activity helps in maintaining plasma magnesium levels that may ensure good cardiovascular health.