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Medically reviewed by Last updated on Oct 19, 2020.

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.

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

    • Liver problems

    • Diabetes

  • Keep hard candies, glucose tablets, liquid glucose, or juice on hand for low blood sugar.

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


Consumer information use

This information is not specific medical advice and does not replace information you receive from your healthcare provider. Only your healthcare provider has the knowledge and training to provide advice that is right for you. You should not rely on this information in deciding whether or not to use, or accept your healthcare provider’s advice regarding use of, any natural products or similar treatments, therapies, or life-style choices. This information does not endorse any natural products or similar treatments, therapies, or life-style choices as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information. It does NOT include all information about natural products, possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to you. You must talk with your healthcare provider for complete information about your health and treatment options.


Copyright © 2018 Wolters Kluwer Clinical Drug Information, Inc. and its affiliates and/or licensors. All rights reserved.

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Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.