Type 2 diabetes patients who took cinnamon supplements gained improvements in cholesterol levels and had slightly lower blood glucose levels than did those who took sitagliptin, an analysis in the Annals of Family Medicine indicated. However, cinnamon extracts did not fare better than metformin in reducing glucose levels and did not show significant effects on HbA1C levels, researchers said. The long-term effects of cinnamon supplements are not known, and lead study author Olivia Phung, a pharmacist, said she does not recommend replacing diabetes medication with cinnamon.

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