GRAS

harmless, not dangerous to one's health (label assigned by the FDA to food additives that are considered safe)

Generally Recognized as Safe (GRAS) is a United States of America Food and Drug Administration (FDA) designation that a chemical or substance added to food is considered safe by experts, and so is exempted from the usual Federal Food, Drug, and Cosmetic Act (FFDCA) food additive tolerance requirements.
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n. grass, green plant with flat leaves and jointed stems

v. graze, feed on growing grass, pasture

adv. fatly, clumsily

adj. fat, fleshy

n. fat, oily substance present in the bodies of animals and in some plants

n. grass