An Ayurvedic Tea that Supports Immune Function* Ingredients: Organic Guduchi (Giloy), Organic Tulsi (Holy Basil), Organic Ginger. Guduchi is a popular Ayurvedic herb for supporting immune function*. It is also called Giloy in India. In Sanskrit, it is knows as Amrita (अमृता), which translates to nectar. It is a bitter tasting herb, and it gets this taste from diverse phytochemicals that it naturally contains.