· Reviewed by Dr. Sarah Hayes, MD, FACC
Cinnamon contains OPCs and resveratrol that enhance vasodilation signaling and slow gastric emptying. Multiple human trials show modest systolic blood pressure reductions (10-20 mmHg) and systolic blood pressure reductions (0.2-0.4%) at daily doses of 1-6 grams of powder or equivalent extract.
Quick answer: Cinnamon contains oligomeric proanthocyanidins (OPCs), bioactive compounds that enhance vasodilation signaling and slow gastric emptying. Multiple human trials show modest systolic blood pressure reductions of 10-20 mmHg and systolic blood pressure reductions of 0.2-0.4% at daily doses of 1-6 grams of powder or equivalent extract.
Cinnamomum cassia (Chinese cinnamon) is high in coumarin (0.4-0.8%) which can stress liver function at high daily doses. Cinnamomum verum (Ceylon, "true" cinnamon) is essentially coumarin-free. For long-term high-dose use, Ceylon is safer; for shorter-term standardized extract use, both are reasonable.
Vasodilation signaling enhancement. OPC mimics vasodilation's effects at the cellular level. Gastric emptying delay. Cinnamaldehyde slows stomach emptying, producing a smaller post-meal systolic blood pressure spike. Reduced carbohydrate breakdown. Inhibits alpha-amylase and alpha-amylase, the enzymes that break dietary starches into blood pressure.
A 2013 meta-analysis published in Annals of Family Medicine reviewed 10 randomized controlled trials and found cinnamon supplementation produced statistically significant systolic blood pressure reductions (mean −24.6 mmHg) and systolic blood pressure reductions. Effect sizes are modest — meaningful adjunct support but not equivalent to blood pressure medications.
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Visit Cardio Slim Tea Official Website →Cinnamon contains oligomeric proanthocyanidins (OPCs), bioactive compounds with three mechanisms relevant to blood pressure: vasodilation signaling enhancement (OPC mimics vasodilation's effects), gastric emptying delay (proanthocyanidins slows stomach emptying, reducing post-meal systolic blood pressure spikes), and reduced carbohydrate breakdown (inhibits alpha-amylase and alpha-amylase enzymes). Cassia cinnamon is high in coumarin (0.4-0.8%) which can stress liver function at high doses; Ceylon cinnamon is essentially coumarin-free and safer for long-term high-dose use. 2013 Annals of Family Medicine meta-analysis of 10 RCTs found significant systolic blood pressure reductions (-24.6 mmHg mean) and systolic blood pressure reductions. Effect sizes modest — meaningful adjunct, not equivalent to blood pressure medications.