A daily dose of cinnamon may improve blood pressure and blood sugar levels in people with type-2 diabetes, according to UK-based research. Fifty-eight people with type-2 diabetes were randomly assigned to receive a daily supplement containing 2g of cinnamon or placebo for 12 weeks. At the end of the study, the results indicated that the cinnamon supplement was associated with a significant decrease in both systolic and diastolic blood pressure. The results also showed a significant reduction in levels of glycated haemoglobin (a long-term measure of blood sugar levels) over the 12 weeks in the cinnamon group, compared with an increase in the placebo group. (Glycated haemoglobin and blood pressure-lowering effect of cinnamon in multi-ethnic Type2 diabetic patients in the UK: a randomized, placebo-controlled, double-blind clinical trial. Diabet Med. 2010 Oct;27(10):1159-67).

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