Bing found the following results
Cinnamon: Health Benefits and Side Effects - WebMD
6 Side Effects of Too Much Cinnamon - Healthline
Cinnamon: Health Benefits, Uses, Nutrition, Risks
7 Side Effects of Too Much Cinnamon - MedicineNet
CEYLON CINNAMON - Uses, Side Effects, and More - WebMD
CASSIA CINNAMON - Uses, Side Effects, and More - WebMD
Cinnamon: Health, Benefits, Side Effects & Dosage
Cinnamon powder: Benefits, risks, and tips - Medical News Today
Cinnamon: Benefits, Uses, Side Effects, and More - Health
Is Too Much Cinnamon Bad for You? | livestrong