we can supply : 1 ,tea leaves (dark tea ,fuzhuan tea ) 2, tea extract (catechins ,polyphenols ,EGCG ) 3 ,instant chrysanthemum powder ,instant tea powder 4 stevia 80%,grape seed extract95% ,ginger extract5% ginseng extract80%, ginkgo extract24-6-5PPM ,rhodiola extract4%rosavins ,bliberry extract25% and so on