Which action is using a dietary supplement? taking magnesium tablets to aid in energy metabolism and muscle contraction eating lean red meat for extra iron to with energy metabolism eating beans for phosphorus to aid in maintaining bones and energy metabolism drinking extra milk for calcium to support nerve and muscle function

Example of usage of dietary supplement is taking magnesium tablets to aid in energy metabolism and muscle contraction.

The term dietary supplement denotes a product that you eat or drink to support good health and supplement the diet. Magnesium tablets are example of such a product. The other examples include eating or drinking real food.

i believe the answer would be 'd'.

hope this !