Vitamins Nutrition Supplements - Are They Really Needed?

Are vitamins nutrition supplements really needed? Vitamins nutrition supplements should be considered nutritional substances that provide health benefits. Ideally, these benefits will have been proven by clinical studies.
What we consume each day is important, and eating a balanced diet makes sense. Assuming that happens on a regular basis, one problem today is that nutrient values of foods have been declining for decades due to soil depletion. And as for what we eat, for example, the USDA food pyramid recommends consuming 2-1/2 cups of vegetables a day for women and 3 cups a day for men. In reality, most adults just do not consume these minimum amounts, and thus the need for high-quality vitamins nutrition supplements for optimum health.
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