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A whole food diet provides many positive benefits that cannot be replicated by individual nutrient supplements. For example, when you eat a whole orange, you are getting the fiber, satisfaction, fullness, flavor as well as Vitamin C, potassium, etc. However, if you have a vitamin C supplement, you might get the same if not more Vitamin C but, you will not get the rest of the benefits.
Whole foods are better than supplements because there are many compounds in foods like fiber, nutrients, phytochemicals, and enzymes which cannot be reproduced in a lab and some of which may not have even been discovered yet. While it may be necessary to take supplements if you are on medications, eat poorly, or have certain health issues, eating real, whole food should always be your first line of defense.
Nutritional supplements are meant to be "supplements", not replacements for food or food groups. Supplements are not regulated, and many of the claims cannot be proven to support supplemental use. Through testing, supplements have been shown to be inconsistent in regard to how much of each ingredient is contained in the supplement. Getting one's nutrition is always best done through eating a balanced diet including all food groups.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.