Horm Res 1998;50:177-82. Jarvill-Taylor KJ, Anderson RA, Graves DJ. View abstract. Cinnamon contains cinnamaldehyde, a compound that may trigger an allergic reaction when consumed in large amounts. There is no connection.) Jarvill-Taylor KJ, Anderson RA, Graves DJ. Journal of Agriculture and Food Chemistry: Quantification of Flavoring Constituents in Cinnamon -- High Variation of Coumarin in Cassia Bark From the German Retail Market and in Authentic Samples from Indonesia; F. Woehrlin, et al. 2015;10(9):e0138646. (source). Cassia cinnamon is LIKELY SAFE when taken by mouth in amounts commonly found in foods and when taken by mouth in medicinal doses for up to 4 months.. Cassia cinnamon is POSSIBLY SAFE when applied to the skin in the short-term.. Cassia cinnamon is POSSIBLY UNSAFE when taken by mouth in large amounts for a long period of time. © 2005 - 2019 WebMD LLC. Cinnamon's warmly aromatic flavor and scent are extremely evocative, conjuring up powerful associations with holiday baking and sweet treats. You just need a cinnamon grater like the one below: I personally haven’t tried this method, but I’ve read that you can instantly taste the difference! Most research on the cancerous effects of coumarin has been performed on animals. While eating too much cinnamon may have some drawbacks, it’s a healthy spice that’s safe to eat in small to moderate amounts. Solomon TP, Blannin AK. And there are so many benefits to daily cinnamon consumption! Int J Immunopharmacol 1998;20:643-60. This survey is being conducted by the WebMD marketing sciences department. View abstract. A safety assessment of coumarin taking into account species-specificity of toxicokinetics. Click here to read the full disclaimer/disclosure. But if you live for cinnamon, it’s worth a try! View abstract. Allen RW, Schwartzman E, Baker WL, et al. The Absolute Easiest Way to Switch to Natural Living, 5 Reasons You Should Give Healthy Living a Try, Greenwashing—How to Tell if Your Natural Products are Actually Natural. This is because cinnamon may enhance the effects of these medications and cause your blood sugar to fall too low. The cinnamon spice found in food stores might contain both of these types of cinnamon. On the other hand, Ceylon or “true” cinnamon only contains trace amounts of coumarin. Cinnamon is great for bringing blood flow back to your skin, and this can help stimulate hair growth! Pu-erh Tea: Benefits, Dosage, Side Effects, and More, difficulty when trying to catch your breath. And that’s not all! View abstract. What is this strange word I just used? Taking very large doses of cassia cinnamon might harm the liver, especially in people with existing liver disease. View abstract. The answer is “No!” There is no cause for debate between Ceylon and Cassia cinnamon! Although it's often promoted as a moderator of blood glucose in diabetics, that recommendation rests on one small-scale study performed in 2003, with a very limited number of subjects. Cassia (or regular) cinnamon is a rich source of coumarin. View abstract. What other names is Cassia Cinnamon known by? WebMD does not provide medical advice, diagnosis or treatment. Well, the cinnamon in the little shakers at the store could have been harvested months ago! In food and beverages, cassia cinnamon is used as a flavoring agent. Effect of cinnamon on glucose and lipid levels in non insulin-dependent type 2 diabetes. If you want the best cinnamon possible, I highly recommend you find a cinnamon company that is honest with their customers and has the harvest date written on their jars. Ranasinghe P, Jayawardena R, Galappaththy P, et al. Find a cinnamon company that provides fresh sticks with the harvest dates listed. J Agric Food Chem 2004;52:65-70. One of the main components of cinnamon is cinnamaldehyde (say that 10 times fast! Cinnamon use in type 2 diabetes: An updated systematic review and meta-analysis. Allergic contact dermatitis and stomatitis caused by a cinnamic aldehyde-flavored toothpaste. The first is true or Ceylon cinnamon, known to science as Cinnamomum verum or C. zeylanicum. J Nutr 2006;136:977-80. Ranasinghe P, Jayawardena R, Galappaththy P, et al. Yeah, I don’t think you need to worry about eating too much cinnamon. Pest.Manag.Sci. 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