USDA Antioxidant Rich The Best Super Grade Certified By Oregon Tilth Nutritional Information Rooibos, also known as Red Tea, is a Caffeine Free natural tea, rich in antioxidants and also contains the following nutrients: Calcium, copper, iron, fluoride, magnesium, manganese, potassium, sodium and zinc. Green Rooibos (Aspalathus linearis) is an export quality unfermented Rooibos, processed in special facilities to stop the rapid natural fermentation. Compared to regular fermented Rooibos, it contains considerably higher antioxidant values and is generally more protective against DNA damage. It is caffeine free and low in tannin, ithas a light, smooth and aromatic taste.