Ceylon cinnamon, as part of a multi-ingredient preparation, is applied to the penis for premature ejaculation. Ceylon cinnamon is also used as a mouth rinse to prevent mouth sores in people with dentures.
Irritable bowel syndrome.
Mouth sores from dentures.
Side Effects & Safety
Consuming Ceylon cinnamon in food amounts is LIKELY SAFE. Ceylon cinnamon is POSSIBLY SAFE for most people when taken by mouth in amounts used for medicine. These amounts are slightly higher than amounts found in food. However, Ceylon cinnamon is POSSIBLY UNSAFE when taken by mouth in large amounts or long term. Also, taking cinnamon oil by mouth is POSSIBLY UNSAFE. The oil can be irritating to the skin and mucous membranes, including the stomach, intestine, and urinary tract. It can cause side effects such as diarrhea, vomiting, dizziness, drowsiness, and others.
Cinnamon has been shown to lead to various improvements for Alzheimer’s and Parkinson’s disease in animal studies. However, human research is lacking.