Anutritional supplement developed for athletes is shown not only to contain carbon, hydrogen, and oxygen. based on these data, you may safely conclude that

Based on this data, you may safely conclude that THE SUPPLEMENT MAY CONTAIN CARBOHYDRATES AND LIPIDS AND ONE OTHER FOOD GROUP BASED ON THE ELEMENT THAT IS PRESENT.
Carbohydrates and lipids are food macro molecules whose building elements are carbon, hydrogen and oxygen. Thus, the presence of these elements in the food supplement means that the food macro molecules are probably present.

Ithink you should go back and learn in school rather then here asking questions