This Traditional Jade Windscreen Herbal Formula Has Been Used In East Asia For Over 800 Years. Used As An Immune Support Supplement, This Blend Includes Huang Qi (Astragalus Root), Fang Feng (Saposhnikovia Root), And Bai Zhu (White Atractylodes Rhizome) Well Known In Traditional Chinese Medicine (Tcm) As An Immune Supplement Because The Formula Serves As A Screen To Protect The Body. This Combination Of Chinese Herbs For Immune System Support Contain All The Active Chemical Constituents Of Whole Herbs In Concentrated Form Concentrated 5:1 When Compared To Raw Powders. Granules Dissolve Easily In Hot Water To Produce The Fastest Acting And Most Potent Form. Take 4.5 Grams Of Granules Or 3 Capsules, Twice A Day Headquartered In Ithaca, Ny For The Last 27 Years, Treasure Of The East Offers A Complete Line Of Premium Herbal Extracts Made By The World'S Largest Manufacturer Of Full-Spectrum Herbal Extracts. Treasure Of The East Is The Exclusive Us Distributor For The Brand Of Herbs Used By Over 8,000 Hospitals And By Scientists At 48 Researchers Universities And Hospitals Our Raw Herbs Are Geo-Authentic, Meaning They Come From Their Regions Of Traditional Origin. These Herbs Are Grown From High Quality Seeds And Are Sourced Directly Through Long-Standing Relationships With Over 300 Farms. Treasure Of The Eastã¢ÂS Supplier Owns Or Co-Owns An Additional 66 Farms To Ensure Quality From Seedling Through To Finished Product