Tulsi Extract Tannins are derived from the leaves of the Tulsi plant, also known as Holy Basil (Ocimum tenuiflorum). It is commonly used in Ayurvedic medicine for its potential health benefits. Tannins are a type of plant compound that is often found in various types of plants, including Tulsi. Tulsi Extract Tannins are known for their astringent properties and can have a number of health benefits, such as reducing inflammation and improving digestion.