Food Matters: Getting your nutrients for optimum health from foods alone may not be realistic.
This can help us to understand why we need nutritional supplements to meet the body's demands for optimum health. moreover, demands for nutrients vary with the status of the body's activity (level of physical activity, health status - fighting disease, etc.).
It is also worthwhile to note that we can only realize the effectiveness of food in preventing disease and maintaining optimum health when optimum nutrient levels are achieved in the body.