Rooibos - Organic Red Tea Delicious & Caffeine Free Loose Leaf - Finely Cut & Sifted. Pronounced "roy-boss" and means "red bush" in Afrikaans. Rooibos is literally red in color. The Rooibos Latin name is aspalathus linearis. Studies have shown this tea is comparable to green tea in the amounts of polyphenols it contains. It shows anti-mutagenic, anti-carcinogenic, anti-inflammatory and anti-viral activity. In fact, it has much more antioxidants of green tea.