Improved Formula Support Weight Management 100% Natural Herbal Supplement Diet Master Herb Tea Naturally and nicely flavored, this herb tea is made of the well-known Chinese herb rhubarb (rhizome & root) and astragalus, both grown in the pollution-free primitive forest of northeast China, with other precious herbs. Traditional Chinese herbalism uses them to support weight management along with healthy diet and exercise. Astragalus in used for immune support and energy. What Makes Health King Herb Teas Special? Enjoyed & trusted by our customers for over 18 years Based on authentic ancient Chinese herbal formulas Recommended by natural health professionals Made with premium quality herbs, mostly wild grown