Wiktionary
natural food
n. A food that has been not been processed in any way that alters covalent bonds, and to which no artificial substance has been added.
Wikipedia
Natural food
Usage examples of "natural food".
I went to the natural food store, added some extra vitamin E, calcium-magnesium, and lots of herbs for menopause--and that was it, no problems since.
Progesterone creams are available in over-thecounter form in many pharmacies and natural food stores, mostly as components of cosmetic creams.
As everyone knows, DHEA is now also available over the counter in pharmacies, natural food stores, and by mail order.