The Core Difference: Real Licorice vs. Anise Oil
When asking, "Are licorice candy healthy?" it is crucial to first distinguish between products made with real licorice root extract and those flavored with anise oil. Genuine black licorice contains glycyrrhizin, a natural sweetener that is also the source of the confection's most significant health risks. In contrast, many licorice-flavored products sold in the U.S., including most red licorice and some black varieties, use anise oil for flavor instead of actual licorice root.
What is Glycyrrhizin?
Glycyrrhizin is a compound derived from the licorice root (Glycyrrhiza glabra) that is up to 50 times sweeter than sucrose. While it provides the characteristic flavor, it also acts as a steroid-like substance in the body. It can inhibit an enzyme responsible for breaking down the stress hormone cortisol. As a result, this can lead to an increase in cortisol levels, disrupting the body's electrolyte balance and potentially causing serious health issues.
The Dangers of Glycyrrhizin Overconsumption
Excessive consumption of true licorice candy, which contains glycyrrhizin, is a well-documented cause of adverse health effects. The Food and Drug Administration (FDA) has issued warnings, particularly for individuals over 40 and those with pre-existing conditions like high blood pressure or heart disease. Regular, heavy intake has been linked to several problems:
- Raised Blood Pressure: Glycyrrhizin can cause sodium retention and increase blood pressure.
- Decreased Potassium Levels (Hypokalemia): This electrolyte imbalance can lead to irregular heart rhythm and potentially cardiac arrest.
- Fluid Retention (Edema): The effect on electrolytes can cause swelling, particularly in the ankles.
- Interactions with Medications: Licorice can interfere with medications for heart disease, high blood pressure, and hormone therapies.
- Pregnancy Risks: Studies have linked high glycyrrhizin intake during pregnancy to developmental issues in children.
Comparison Table: Genuine Licorice vs. Anise-Flavored Candy
| Feature | Genuine Black Licorice | Anise-Flavored Candy (e.g., Red Licorice) | 
|---|---|---|
| Key Flavoring Agent | Glycyrrhizin from licorice root extract | Anise oil, which mimics licorice flavor | 
| Primary Health Risk | High blood pressure, hypokalemia, cardiac issues | High sugar content, potential for obesity and related issues | 
| Sugar Content | High | High | 
| Cardiovascular Effects | Significant risk with overconsumption | Associated with high sugar intake, not glycyrrhizin | 
| Medication Interactions | Can interfere with heart and blood pressure drugs | Generally does not interact, but still high in sugar | 
| Safe Consumption | Small, occasional amounts; high-risk groups should avoid | Moderation is key; not a 'healthy' food | 
Are Red Licorice Candy Healthy? The Role of Sugar
Most red licorice candy is made with anise oil and is essentially a high-sugar, low-nutrition confection. Because it lacks glycyrrhizin, it doesn't carry the specific cardiovascular risks associated with real licorice. However, this does not make it healthy. A single serving of typical red licorice contains a significant amount of sugar, contributing to issues like obesity, type 2 diabetes risk, and tooth decay when consumed excessively. The American Heart Association recommends limiting daily added sugars, and candies, regardless of flavor, contribute heavily to this limit.
Natural Licorice: Are Supplements Any Healthier?
While licorice candy is not a health food, the licorice root itself has been used for centuries in traditional medicine for its anti-inflammatory and soothing properties, particularly for respiratory and digestive issues. Licorice root is available as a dietary supplement, tea, or in a de-glycyrrhizinated (DGL) form. DGL products have the risky compound removed, making them a safer option for those seeking the potential benefits of the herb without the side effects. However, even DGL should be used with caution and under a doctor's guidance.
The Verdict on Licorice Candies
In summary, licorice candy, whether black or red, should not be considered a healthy food. The real health implications depend on the ingredients. Genuine black licorice carries specific, potentially severe cardiovascular risks due to glycyrrhizin and must be consumed in strict moderation, especially by certain demographics. Anise-flavored candies, including most red licorice, are merely sugar-laden treats that offer no nutritional value. All licorice candies are ultimately best enjoyed as a rare indulgence, not as a regular part of one's diet.
Conclusion: Caution and Moderation are Key
For many, the occasional piece of licorice candy is harmless. However, understanding the difference between genuine licorice and anise-flavored versions is vital for making an informed choice. For those over 40, pregnant, or with pre-existing heart or blood pressure conditions, the risks associated with glycyrrhizin are too great, and genuine black licorice should be avoided entirely. Ultimately, focusing on whole, nutrient-dense foods remains the healthiest approach to eating.
For more in-depth information on the health effects of licorice root, consult the National Center for Complementary and Integrative Health at https://www.nccih.nih.gov/health/licorice-root.