Zandu Pure Honey 100 gm The purest honey available is Zandu Pure Honey. The unique flavor, color, and thickness of pure honey can only be encountered. We assure that every drop you taste is 100% pure by sending each batch to German labs for a purity test before adding sugar. Zandu Pure Honey is a special combination of Tulsi and Sundarban Honey. According to research, honey gathered from Sundarban trees is said to have higher antioxidants, which naturally boost immunity.