Rooibos Green Unfermented Tea, OrganRooibos Green Unfermented Tea, Organ Organic Rooibos Green Unfermented Tea. Naturally Caffeine Free. Low in Tannic Acid. High in Antioxidants. Rich in Minerals. 20 Tea Bags 1. 6 oz 50 g. Scientific studies show that Red Tea is naturally high in super oxide dismutase (SOD), an outstanding antioxidant. Red Tea contains very little tannin, a substance that is known to effect the metabolism by decreasing absorption of certain nutrients like iron and