Three grams of sumac powder per day lowers your glucose and insulin levels
Overweight and obese people with type 2 diabetes become healthier if they take 3 grams of sumac powder every day. No, no capsules with an expensive extract, but just sumac powder from the local supermarket. Researchers from Iran University of Medical Sciences write this in the Iranian Journal of Pharmaceutical Research.
The Iranians gave 19 subjects aged 20-60 a placebo every day for 3 months, while 22 other subjects received 3 grams of sumac every day. The researchers analyzed the blood of their test subjects before and after that period. They took the blood early in the morning, before the subjects had breakfast.
When the 3 months were over, the amount of glucose in the blood in the sumac group was reduced by 13 percent.
Sumac supplementation reduced the concentration of HbA1c in the subjects' blood. The higher this value, the higher the glucose concentration has been over a longer period.
Finally, sumac improved the ratio between the 'good' apolipoprotein apoA-I and the 'bad' apolipoprotein apoB.
The researchers suspect that the figure below at least explains part of the working mechanism of sumac. Sumac supplementation increased the antioxidant effect of the subjects' blood.
Sumac contains p-coumaric acid, fustine, kaempferol-3-O-glucoside, sulfuretine, butein and kaempferol, among others. The researchers do not know which of those substances are the active ingredients of sumac. They argue for follow-up research to gain clarity about this.
Iranian Journal of Pharmaceutical Research 2014;13(4):1249-55.
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Insulin & Glucose