It is a combination of the herb Gymnema Sylvestra and Camellia Sinesis.Action: Improves Insulin Production. Gymnema has been shown to lower fasting blood Sugar levels and regenerate pancreatic cells that produce insulin. This is an incredibly important herb for diabetes, both type I and II. Gymnema enhances insulin action reduces fasting blood sugar levels (only in diabetics) and may stimulate islet cell regeneration. Gymnema is indicated in 1) Type I & II diabetes 2) Weight loss programs. Direction for use: Brew 1 teaspoonful (Approx: 2 gm) of Dia tea for 7 minutes. Strain it into a cup. A few drops of lime could be added for taste. No sugar should be added.Indication: If blood sugar level is above 200mg you can take 2 cups a day along with the prescribed medicine one hour after any meal. When the blood sugar attains normal level, the other drugs could be discontinued. Sugar level has to be checked at least once in week.