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Medically reviewed by Last updated on Aug 6, 2021.

What are other common names?

  • Cinnamomum aromaticum
  • Cinnamomum cassia
  • Cinnamomum loureirii
  • Cinnamomum ramulus
  • Cinnamomum verum
  • Cinnamomum zeylanicum
  • Bastard Cinnamon
  • Canelle
  • Canton Cassia
  • Casse
  • Cassia
  • Cassia Aromaticum
  • Cassia Bark
  • Cassia Cinnamon
  • Cassia Lignea
  • Ceylon Cinnamon
  • Chinese Cassia
  • Chinese Cinnamon
  • Cinnamomon
  • Cinnamomum
  • Cinnamon Bark
  • Cinnamon Essential Oil
  • Cinnamon Flos
  • Cinnamonomi Cortex
  • False Cinnamon
  • Saigon Cinnamon
  • True Cinnamon

What is this product used for?

Cinnamon is a spice that is used by some people as medicine. Science does not support the use of this product for any health problem.

What are the precautions when taking this product?

  • Always check with your doctor before you use a natural product. Some products may not mix well with drugs or other natural products.

  • This product may interfere with some lab tests. Be sure to talk with your doctor about this and all drugs you are taking.

  • Do not use this product if you are allergic to the plant Peru balsam.

  • Be sure to tell your doctor if you are pregnant, plan on getting pregnant, or are breastfeeding. You will need to talk about the benefits and risks of using this natural product.

  • Take extra care if you are taking drugs that are broken down by your liver. This product may increase the harmful effects to your liver.

  • If you have blood sugar problems, keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.

  • Take extra care and check with your doctor if you have:

    • Liver problems

    • Diabetes

What should I watch for?

  • Upset stomach

  • Sleepy

  • Rash or skin redness

When do I need to call the doctor?

  • Signs of a very bad reaction. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; seizures; or swelling of face, lips, tongue, or throat. Go to the ER right away.

  • Signs of low blood sugar. These include hunger, dizziness, shaking, a fast heartbeat, confusion, or sweating.

  • Very bad throwing up

  • Very bad loose stools

  • Increased heart rate or pulse

  • Depressed mood

  • Mouth sores

Where can I learn more?

National Center for Complementary and Alternative Medicine

Last Reviewed Date


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