Are Peppermint Candies Bad for You?

"Everything in moderation" is advice often applied to beloved treats like peppermint candy. And, indeed, consuming this popular holiday staple in moderation is unlikely to pose major health risks.
But what is moderation, really? And what's the worst that could happen when we exceed this golden limit? Here we address these and many more questions.
What Is Peppermint Candy Made Of?
Is Peppermint Oil Safe?
Unless you have an allergy to plants of the mint family, candy made with real peppermint oil won't have any ill effects when eaten in normal amounts.
Beware of Artificial Dyes
If you have kids, consider going with a non-dyed mint candy to get that holiday taste without the risks that come with artificial dyes.
Peppermint Candy Clings to Your Teeth
When you do enjoy hard candy, try to brush your teeth soon after consumption.
Who Should Avoid Peppermint Candy?
The Takeaway
- Peppermint candies are primarily sugar and tend to adhere to teeth, putting you at risk of cavities.
- The candies often contain artificial dyes like Red 40 which are linked to potential health and behavioral issues in children.
- While typically safe, consuming very large amounts of peppermint oil (specifically menthol) can lead to toxic effects like nausea, dizziness, or even convulsions.
- Individuals with gallstones, GERD, or those on certain medications should avoid peppermint, as it can worsen symptoms or interfere with treatment.
- FoodData Central: Candies, peppermint, hard. U.S. Department of Agriculture, Agricultural Research Service. April 2019.
- Sunrise Starlight Peppermints 31 lb Bulk. Spangler Candy.
- Is Red Dye 40 Safe? Cleveland Clinic. March 2023.
- Halloween Survival Guide. MouthHealthy.org. American Dental Association (ADA).
- Sugars and dental caries. World Health Organization (WHO). November 2017.
- Peppermint. Memorial Sloan Kettering Cancer Center. November 2023.
- Peppermint oil. Association for the Advancement of Restorative Medicine.
- Heartburn. Mayo Clinic. May 2022.
- U.S. Department of Health and Human Services & U.S. Food and Drug Administration (FDA). (2025, April 22). HHS, FDA to Phase Out Petroleum-Based Synthetic Dyes in Nation's Food Supply.

Kayli Anderson, RDN
Medical Reviewer
Kayli Anderson has over a decade of experience in nutrition, culinary education, and lifestyle medicine. She believes that eating well should be simple, pleasurable, and sustainable. Anderson has worked with clients from all walks of life, but she currently specializes in nutrition therapy and lifestyle medicine for women. She’s the founder of PlantBasedMavens.com, a hub for women to get evidence-based, practical, and woman-centered guidance on nutrition and cooking, hormone health, fertility, pregnancy, movement, mental well-being, nontoxic living, and more.
Anderson is board-certified in lifestyle medicine and serves as lead faculty of the American College of Lifestyle Medicine’s (ACLM) "Food as Medicine" course. She is past chair of the ACLM's registered dietitian member interest group, secretary of the women's health member interest group, and nutrition faculty for many of ACLM's other course offerings. She is the coauthor of the Plant-Based Nutrition Quick Start Guide and works with many of the leading organizations in nutrition and lifestyle medicine to develop nutrition content, recipes, and educational programs.
Anderson frequently speaks on the topics of women’s health and plant-based nutrition and has coauthored two lifestyle medicine textbooks, including the first one on women’s health, Improving Women's Health Across the Lifespan.
She received a master's degree in nutrition and physical performance and is certified as an exercise physiologist and intuitive eating counselor. She's a student of herbal medicine and women's integrative and functional medicine. She lives with her husband in the Colorado Rocky Mountains, where you’ll find her out on a trail or in her garden.

Ellen Douglas
Author
Ellen Douglas has written for fitness-oriented sites such as everydayhealth, JillianMichaels.com, AZCentral Healthy Living and eHow. She also provides informational articles for clinics and private practices on health topics that include sports, nutrition, physical therapy and home remedies.