In a 100-gram reference serving, raw radishes provide 66 kilojoules (16 kilocalories) of food energy and have a moderate amount of vitamin C (18% of Daily Value), with other essential nutrients in low content (table). A raw radish is 95% water, 3% carbohydrates, 1% protein, and has negligible fat.
The root of the radish is usually eaten raw, although tougher specimens can be steamed. The raw flesh has a crisp texture and a pungent, peppery flavor, caused by glucosinolates and the enzyme myrosinase
Radishes are mostly used in salads, but also appear in many dishes.