Clove Tea Benefits, Recipe and Side Effects

You have probably heard about clove water — that overnight soak people keep raving about on wellness pages. Clove tea is different, and in many ways more effective. When you steep whole cloves in hot water, heat draws out eugenol (the primary active compound in cloves) at much higher concentrations than cold soaking ever could.

What you end up with is a warming, slightly spicy drink with some genuine science behind it. Let’s look at what the research says — no fluff, no wild claims.

Clove Tea vs. Clove Water: What Is the Difference?

10 Evidence-Based Clove Tea Benefits

These are not random wellness claims. Each benefit below is tied to a specific compound or mechanism identified in published research. We will be honest about where evidence is strong and where it is still early-stage — because that distinction matters.

1. Exceptional Antioxidant Content

Cloves are genuinely one of the most antioxidant-dense foods on the planet. An older USDA-compiled ORAC database (discontinued in 2012) ranked dried cloves at roughly 290,283 ORAC units per 100g — dramatically higher than blueberries (4,669), turmeric (159,277), or even cinnamon (131,420). The USDA no longer maintains this database, but cloves remain widely recognized as one of the most antioxidant-dense spices. Antioxidants neutralise free radicals, which contribute to cellular ageing and chronic disease over time.

Clove tea delivers a meaningful dose of these antioxidants — particularly eugenol, eugenol acetate, and various flavonoids — in each cup. The exact amount varies with brew time and water temperature, but a 10-minute simmer with 3–5 cloves produces a noticeably potent infusion.

2. May Support Digestion

Cloves have been used as a digestive aid in Ayurvedic and traditional Chinese medicine for centuries. Modern research gives this credibility: eugenol has demonstrated carminative (gas-reducing) and antispasmodic properties in laboratory studies, which may help with bloating, cramps, and sluggish digestion.

The traditional practice of drinking clove tea 20–30 minutes after a heavy meal is common across South Asia and the Middle East — and there is a reasonable biological mechanism to explain why it may help. For a broader look at digestive habits that actually work, see our guide on morning habits for better digestion.

3. May Help Regulate Blood Sugar

Eugenol and other clove polyphenols have shown potential for supporting blood sugar regulation in early-stage research. Animal, cell, and small human studies suggest they may enhance insulin sensitivity and reduce post-meal glucose spikes.

This is genuinely interesting science — but it is important to note that robust human trials are still needed. If you have diabetes or prediabetes, talk to your doctor before adding clove tea to your routine, especially if you are on medication. More on this in the side effects section below.

4. Supports Immune Function

Cloves contain vitamin C, beta-carotene, and immunomodulatory compounds. Eugenol specifically has demonstrated antimicrobial activity against common pathogens — including E. coli, Staphylococcus aureus, and Candida albicans — in laboratory conditions.

Drinking clove tea during cold and flu season is a popular home remedy across South Asia and the Middle East. The mechanism is plausible: antimicrobial compounds plus a high antioxidant load may help the body mount a faster immune response. For a comprehensive approach to immunity, see our complete immunity guide.

5. Has Anti-Inflammatory Properties

Chronic low-grade inflammation underlies conditions including heart disease, type 2 diabetes, and some cancers. Eugenol is well-established as an anti-inflammatory agent — this is why clove oil appears in dentistry and pharmaceutical formulations.

A cell-culture study published in Life Sciences (2003) found that eugenol suppressed COX-2 expression in lab-grown immune cells — the same enzyme targeted by ibuprofen. A cup of clove tea delivers a fraction of the concentration used in research, so treat this as a supportive daily habit rather than a treatment. But a useful habit, backed by a real mechanism.

6. May Aid Weight Management

Clove tea for weight loss comes up often in wellness circles. Is there anything to it? A little. Compounds in cloves may mildly boost thermogenesis (heat production, which burns extra calories) and have been studied for their effect on lipase activity — an enzyme involved in fat digestion.

More practically, replacing a sugary drink with clove tea (which has near-zero calories) is itself a straightforward win. There is no magic here, but it is a reasonable, flavourful swap for higher-calorie drinks — especially useful if you are calorie-conscious and need something interesting to drink through the day.

7. Supports Oral Health

This is one of clove’s best-supported benefits. Clove oil has been used in dentistry for decades — eugenol is literally a component of some dental cements and temporary fillings. It is an effective topical anaesthetic and antibacterial agent.

Clove tea provides a much lower concentration than clove oil, but drinking it — or even swishing it briefly before swallowing — may help reduce oral bacteria associated with bad breath and early gum disease. Lab studies have confirmed eugenol’s antibacterial activity against several oral bacteria, though not necessarily at concentrations achievable through a cup of tea.

8. May Promote Better Sleep

Clove tea for sleep is a less-researched but genuinely interesting use. Eugenol has demonstrated mild sedative properties in animal models — it appears to enhance GABA receptor activity, which is the same mechanism behind many sleep medications, though at much higher doses and in a far gentler way.

A warm cup of clove tea 30–60 minutes before bed may support mild relaxation. The warmth itself is calming, and the clove compounds may add to that. This probably explains why clove tea features in traditional Ayurvedic bedtime routines. Think of it as a gentle nudge, not a sleeping pill — and use only 2–3 cloves for your evening cup.

9. May Support Liver Health

Animal studies suggest eugenol may help protect liver cells from oxidative damage and reduce inflammation in fatty liver conditions. The antioxidant properties of cloves likely drive this effect.

Important caveat: at high doses, eugenol can actually be toxic to the liver. Dosage genuinely matters here. One to two cups of clove tea per day, made with 3–5 cloves per cup, stays well within safe ranges. More is not better — and this point is especially relevant to the side effects section below.

10. Antibacterial and Antifungal Activity

Beyond oral health, cloves’ antimicrobial activity has been studied against food-borne pathogens and common infections. Research has confirmed eugenol’s effectiveness against Helicobacter pylori (the bacterium linked to stomach ulcers) and various fungal species in laboratory conditions.

Lab results do not always translate directly to clinical outcomes — the concentration used in a Petri dish is not the same as the concentration in a cup of tea. But this does support the long-standing traditional use of cloves as a digestive antimicrobial, and gives plausible biological grounding to several of the digestive and immunity benefits above.

How to Make Clove Tea (Simple Recipe)

Clove Tea Variations Worth Trying

• Clove and ginger tea: Add 2–3 thin slices of fresh ginger with the cloves. Great for digestion and cold relief.
• Clove and cinnamon tea: Add a small cinnamon stick. Supports blood sugar management (cinnamon also has meaningful evidence for glycaemic control).
• Clove and tulsi tea: A classic Ayurvedic combination used for immunity and stress reduction.
• Iced clove tea: Brew a stronger batch (8–10 cloves per 500 ml), cool it down, and refrigerate. Drink over ice — surprisingly refreshing on a warm day.

When to Drink Clove Tea for Best Results

Timing does matter. Here is what tends to work well, based on the mechanisms behind each benefit:

• Morning (empty stomach): May enhance metabolic and digestive effects. Drink about 30 minutes before breakfast. For more on morning clove rituals, see our guide on drinking clove water on an empty stomach.
• After meals: Twenty to thirty minutes after lunch or dinner, particularly for bloating and post-meal digestion.
• Before bed: A single cup 30–60 minutes before sleep may support relaxation. Use just 2–3 cloves for the evening version — lighter is better at night.

How much clove tea per day? Stick to one to two cups maximum. Clove tea is potent — it is not ordinary herbal tea. Consistent, moderate use over time is a far better approach than six cups on Monday and none for the rest of the week.

Clove Tea Side Effects: Who Should Be Careful

Eugenol Toxicity at High Doses

Eugenol is safe at the amounts found in a cup or two of clove tea. At high doses — think concentrated clove oil supplements or extreme quantities of tea — it can cause liver damage. There are documented cases of eugenol toxicity in children who ingested clove oil directly. Tea made with 3–5 cloves per cup stays well within safe limits for adults.

Drug Interactions to Know

• Blood thinners (warfarin, aspirin): Eugenol has mild anticoagulant properties. If you take blood-thinning medication regularly, check with your doctor before making clove tea a daily habit.
• Diabetes medication: If clove tea does lower blood sugar (as some early research suggests), it could interact with diabetes drugs and cause levels to drop too low. If you are on medication, monitor closely and inform your doctor.

Pregnancy and Breastfeeding

Cloves in normal cooking amounts are generally considered safe during pregnancy. However, concentrated clove tea — more than one cup per day — is not recommended during pregnancy due to limited safety data on eugenol’s effects at higher intake levels. When in doubt, ask your midwife or doctor.

Clove Allergy

Clove allergy is uncommon but real. If you have had reactions to spices before, start with a very small amount and watch for any signs of an allergic response (itching, swelling, difficulty breathing). Stop immediately and seek medical advice if symptoms appear.

Clove Tea and Sexual Health: What the Research Says

Cloves have a long history as an aphrodisiac in traditional medicine across Southeast Asia and the Middle East. Is there science to support this? A little. Animal studies suggest eugenol and other clove compounds may support testosterone levels and blood circulation. A 2004 study in BMC Complementary and Alternative Medicine found improved sexual behaviour markers in male rats given clove extract.

Human clinical evidence does not yet exist in meaningful quantity, so this should be treated as a traditional use with a plausible (but unconfirmed) biological mechanism — not a proven benefit. The circulatory-support properties of cloves are real; whether they translate to specific sexual health outcomes in humans requires more research to confirm.

Clove Tea for Fertility: What We Currently Know

Some practitioners recommend clove tea for both male and female fertility, drawing on cloves’ antioxidant and anti-inflammatory properties. The logic is reasonable: oxidative stress is a known factor in both sperm and egg quality, and antioxidant-rich foods are generally considered supportive of reproductive health.

Clove tea, with its high antioxidant content, fits plausibly into that category. However, there are no human clinical trials specifically studying clove tea and fertility outcomes. This remains an area of traditional use backed by general antioxidant science, not specific clinical evidence.

Frequently Asked Questions About Clove Tea

Is it safe to drink clove tea every day?

Yes, for most healthy adults — one to two cups per day is generally well tolerated. Avoid drinking more than that, and consider taking occasional breaks (a few days off each month) rather than treating it as an unlimited daily beverage.

Can clove tea help with a cold or sore throat?

It may offer some relief. The antimicrobial and anti-inflammatory properties of eugenol are plausible mechanisms for soothing sore throats and supporting recovery from mild upper respiratory infections. Adding honey amplifies the soothing effect. It is a reasonable home remedy — not a cure, but a sensible and pleasant one.

How many cloves should I use per cup?

Three to five whole cloves per 250 ml cup. If you are new to clove tea, start at three — the flavour is intense and builds quickly. Lightly crushing the cloves before adding them to water helps release more active compounds.

Can I use ground cloves instead of whole cloves?

You can, though the tea will be grittier and harder to strain. If you go this route, use about one-quarter teaspoon per cup and strain through a fine mesh or cheesecloth. Whole cloves are generally easier to work with and produce a cleaner, clearer cup.

Does clove tea help with weight loss?

Modestly. The biggest practical benefit is probably substitution — replacing a sugary or high-calorie drink with a near-zero-calorie alternative is a straightforward way to reduce daily calorie intake. Any mild thermogenic effect from clove compounds is a small bonus on top of that.

What does clove tea taste like?

Warm, spicy, and slightly sweet with a distinct numbing sensation — that is the eugenol doing its thing. Think of mulled wine without the wine. It takes some getting used to, but most people find it genuinely pleasant once they are accustomed to the intensity. A little honey or ginger makes it even more approachable.

Final Thoughts

Clove tea sits in an interesting space: genuinely backed by science in several areas — antioxidants, antimicrobial activity, anti-inflammatory properties, oral health — and still speculative in others like sleep and fertility. The honest answer is that it is a well-researched spice with a plausible mechanism behind most of the traditional claims made about it.

The key, as with most functional foods, is consistency and moderation. One to two cups a day, brewed properly with 3–5 cloves, is where the benefits sit. That is not a magic number — it is just a sensible habit, and one that tastes good enough to actually stick to.

Sources

• Clove (Syzygium aromaticum): a precious spice — Asian Pacific Journal of Tropical Biomedicine (PMC/NIH)
• Biological Properties and Prospects for the Application of Eugenol — A Review — International Journal of Molecular Sciences (PMC/NIH)
• Protective effect of clove oil and eugenol microemulsions on fatty liver and dyslipidemia as components of metabolic syndrome — Journal of Medicinal Food (PubMed)
• Water-soluble polyphenol-rich clove extract lowers pre- and post-prandial blood glucose levels in healthy and prediabetic volunteers — BMC Complementary Medicine and Therapies
• Eugenol suppresses cyclooxygenase-2 expression in lipopolysaccharide-stimulated mouse macrophage RAW264.7 cells — Life Sciences (PubMed)
• Effect of 50% ethanolic extract of Syzygium aromaticum (clove) on sexual behaviour of normal male rats — BMC Complementary and Alternative Medicine (PMC/NIH)

Mujahid Lone

Mujahid Lone runs HealthCoreTips as a self-taught health enthusiast, not a certified nutritionist or trainer. What he brings instead is rigor: every article starts with primary sources — WHO guidelines, Harvard Health, and peer-reviewed studies (BMJ, UK Biobank, and similar) — which are linked at the end of each post so you can check the evidence yourself. HealthCoreTips exists to translate that research into practical, jargon-free advice, without pretending to be a substitute for professional medical guidance.