The simple truth is that there are many ills and conditions which have no quick cures or may have no cures at all. Your best choice is to consult with a licensed medical professional and follow their guidelines. However, these are just marketing terms - no one regulates their use, and their meaning is vague. In many cases, natural or health food is no different from the foods that are not labeled. Due to soil depletion, most people need a daily multi-vitamin.
Farmers address soil depletion by rotating crops and the use of fertilizers.
In any case, it does not decrease the nutritional value of the food. . In all but special cases, eating a variety of foods will meet most people's nutrient needs and most people do not need vitamin supplements. An athlete needs more protein than a non-athlete. FACT Athletes do need some extra protein. However, protein is found in so many foods that when athletes eat more food to meet their higher energy needs they get all the extra protein they need.