The tradition of chewing whole cloves is found in many cultures, often for its immediate aromatic and breath-freshening effects. These tiny, dried flower buds of the Syzygium aromaticum tree are packed with powerful compounds, most notably eugenol, which is responsible for many of their well-known properties. While consuming cloves in moderation as a spice is generally safe, the practice of chewing them daily introduces considerations regarding both consistent benefits and potential risks. Understanding the balance is key to incorporating them safely into your routine.
The Potential Benefits of Chewing Cloves Daily
For those who chew cloves regularly in small, controlled amounts, several potential health advantages may arise:
- Improved Oral Hygiene: Cloves are highly regarded for their ability to combat oral bacteria. Chewing them can help freshen breath by killing the microorganisms that cause bad odors. Their antiseptic qualities can also help reduce the buildup of plaque and support overall gum health.
- Natural Pain Relief: The eugenol in cloves acts as a natural anesthetic, which is why it has been a traditional remedy for temporary toothache and gum pain for centuries.
- Digestive Aid: Chewing cloves can help stimulate the production of digestive enzymes, which may improve digestion and alleviate symptoms of gas, bloating, and nausea. The carminative properties help reduce flatulence and soothe the gastrointestinal tract.
- Anti-Inflammatory and Antioxidant Properties: Cloves are an incredibly rich source of antioxidants that combat oxidative stress and inflammation in the body. Eugenol, the primary antioxidant, is particularly potent and helps protect cells from damage caused by free radicals.
- Blood Sugar Regulation: Some studies, though needing further human research, suggest that compounds in cloves may help regulate blood sugar levels by mimicking insulin and improving the function of cells that produce insulin. This could be beneficial for individuals with prediabetes or type 2 diabetes, though great caution is advised.
The Risks and Potential Side Effects of Chewing Cloves Every Day
While the benefits are notable, moderation is crucial. Excessive and daily chewing can lead to negative side effects, primarily due to high intake of concentrated eugenol.
- Oral and Digestive Irritation: The strong eugenol content can irritate the mucous membranes in the mouth, leading to a burning sensation or ulcers. High doses can also cause digestive issues like nausea, vomiting, and diarrhea.
- Liver Damage: High doses of eugenol can have toxic effects on the liver. Documented cases of acute liver injury have been linked to ingesting concentrated clove oil, particularly in children. Long-term, excessive intake from chewing could potentially pose a risk to liver health.
- Blood-Thinning Complications: Eugenol has properties that can slow blood clotting. This is particularly dangerous for individuals on anticoagulant medications (e.g., Warfarin, Aspirin), as it can increase the risk of bleeding.
- Hypoglycemia Risk: For people with diabetes who are already taking medication to control blood sugar, excessive clove consumption could cause blood sugar levels to drop too low, leading to hypoglycemia.
Comparison: Moderate vs. Excessive Clove Consumption
| Feature | Moderate Daily Chewing (1-2 cloves) | Excessive Daily Chewing (>2 cloves or concentrated) | 
|---|---|---|
| Oral Health | Freshens breath, kills bacteria, soothes minor pain. | Can cause oral irritation, burning, and ulcers. | 
| Digestive System | Stimulates enzymes, reduces gas and bloating. | May lead to nausea, upset stomach, or diarrhea. | 
| Blood Sugar | May help with insulin sensitivity and regulation. | Can cause dangerously low blood sugar levels (hypoglycemia). | 
| Liver Impact | Minimal to potentially beneficial antioxidant effects. | Risk of liver damage or injury due to eugenol toxicity. | 
| Blood Clotting | Negligible effect. | Can slow blood clotting, increasing bleeding risk. | 
Who Should Exercise Caution?
Certain individuals should avoid or be extremely cautious with chewing cloves daily:
- Children: They are particularly vulnerable to eugenol toxicity, which can cause severe side effects like seizures and liver damage.
- Pregnant or Breastfeeding Women: Culinary use is generally safe, but medicinal doses lack sufficient safety data and should be avoided.
- Individuals with Liver Disease: Those with pre-existing liver conditions are at a higher risk of further liver damage from high eugenol levels.
- People on Blood-Thinning Medications: The blood-thinning effect of eugenol can interfere with these medications and increase bleeding risk.
- Individuals with Diabetes: Close monitoring of blood sugar is necessary, and excessive use could lead to hypoglycemia.
Safest Methods for Incorporating Cloves
If you want to experience the benefits of cloves without the risks of excessive chewing, consider these safer alternatives:
- Clove Tea: Steep whole cloves in hot water for 5-10 minutes to create a soothing, aromatic tea.
- Culinary Use: Add ground or whole cloves to dishes like curries, soups, or baked goods.
- Diluted Oil (Topical): For temporary toothache relief, a highly diluted clove oil mixed with a carrier oil can be applied topically with a cotton swab, but avoid contact with gums to prevent irritation.
Conclusion: A Balanced Perspective on Chewing Cloves
While chewing cloves every day can provide a range of benefits, from boosting oral health to aiding digestion, it is a practice that demands caution. The potential for irritation and toxicity, especially with excessive intake of eugenol, should not be overlooked. The key is moderation and listening to your body. For individuals with underlying health conditions or those taking medications, it is paramount to consult a healthcare professional before making daily clove chewing a routine. For most people, a small number of cloves or using them as a culinary spice is a safer way to enjoy their medicinal properties. For more information on the compounds and benefits of cloves, refer to sources like Healthline's review on the topic.