Dietary supplements play an important role in proventing many nutrition-deficient health problems due to unbalanced diet for both the poor and the rich.

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Traditional Nutritional Deficiency

Nutritional deficiencies were traditionally believed to be limited to poor people of scarce food sources and related provisions, - carbohydrates, proteins, fat, etc. These nutrients have 2 basic functions - key organic elements of human body structures and energy providers. This type of nutritional deficiencies are almost due to famine, caused by a variety factors, such as poor geographical areas for crops to grow, scarce of natural resources, natural disasters (drought, flood, earthquakes, locust swamp, etc.), wars… These nutrition-deficient issues are still the challenges to some areas in the world such as in Africa.

To be continued.