6 Spearmint Tea Benefits: What The Research Shows (And What It Doesn't)

Spearmint tea benefits get talked about as if the science were settled. It isn't, and that's worth knowing before you build a daily habit around a cup of mint. Spearmint tea is a naturally caffeine free herbal infusion made from the leaves of Mentha spicata. Most people reach for it hoping to ease PCOS or PCOD symptoms, calm an unsettled stomach, or find an evening drink that won't keep them awake.

At Misty Mountain we went through the studies and the best health sources to separate the real spearmint tea benefits from the hype. The short version: the strongest evidence is one small hormone trial, the digestive claims are plausible, and almost everything else is early. Below you'll find the benefits, the risks, and how to brew a good cup.

What Is Spearmint Tea?

Before getting into spearmint tea benefits, it helps to know what is actually in the mug. Spearmint tea is made by steeping fresh or dried spearmint leaves in hot water. It tastes softer and sweeter than peppermint, a bit like mint chewing gum, and it has no caffeine because it doesn't come from the tea plant.

The compound that gives spearmint its character is carvone. Peppermint leans on menthol instead, which is why it feels sharper and colder. A plain cup of spearmint tea has roughly 2 calories and no fat, sugar or protein, according to WebMD. It's a drink, not a supplement, and that matters later because many of the studies used concentrated extracts.

Spearmint Tea vs Peppermint Tea

Spearmint Tea Benefits At A Glance: How Strong Is The Evidence?

Here is how the evidence looks for each of the spearmint tea benefits claimed online. The ratings are our own reading of the studies, not a formal medical grading.

Spearmint Tea Benefits People Ask About Most

1. Hormone balance and PCOS

This is the headline claim among spearmint tea benefits, and the one with the most behind it. In a randomized trial published in Phytotherapy Research, 42 volunteers with PCOS drank spearmint tea twice a day for 30 days, and 41 finished. Free and total testosterone dropped, and LH and FSH rose.

Now the catch. It was a small, short trial. Participants reported less unwanted hair on a quality of life questionnaire, but the doctor rated hair score did not change significantly (p = 0.12). The author himself said the study wasn't long enough. So spearmint tea may nudge hormone levels, but nobody has shown that it treats PCOS.

In India the condition is usually called PCOD, and you may also see PMOS, the newer name for PCOS. If you live with it, the tea is a side dish and not the main course. Your doctor's plan and your daily habits come first.

2. Facial hair and hormonal acne

Because spearmint seems to lower androgens a little, people hope it helps with facial hair and breakouts. For hair the evidence is mixed: patients noticed a difference, the measured scores didn't move. For acne, the evidence for spearmint tea benefits is thin. Some clinics mention it, but there are no strong trials on tea and skin. If you try it, give it a month, and don't swap it for treatment from a dermatologist.

3. Digestion, nausea and bloating

Mint has been used for upset stomachs for a very long time, and spearmint's carvone is thought to relax stomach muscle. That explanation shows up on most sites, and it rests mostly on animal and lab work. A warm cup after a heavy meal feels good and there's no obvious harm in it. Treat the digestive spearmint tea benefits as comfort, not a clinical result. And if mint gives you heartburn, skip this one entirely.

4. Antioxidants and joint stiffness

Spearmint contains rosmarinic acid and flavonoids, both antioxidants. Cleveland Clinic points to rosmarinic acid as the reason spearmint tea might ease joint stiffness. The compounds are real. Whether a cup or two delivers enough of them to matter for your knees is another question, and the research doesn't answer it yet.

5. Memory, focus and stress

The memory related spearmint tea benefits trace back to studies of a concentrated extract, not tea, and a mug of tea is a much weaker dose. The calm people describe is probably part chemistry and part ritual: a warm cup, a pleasant smell, five quiet minutes. That counts for something, even if it isn't a drug effect.

6. Blood sugar and blood pressure

You'll see both of these spearmint tea benefits on listicles. Both rest mainly on animal studies, including work in rats, so we wouldn't lean on spearmint tea for either one. If you manage diabetes or high blood pressure, keep taking your medicine and ask your doctor before changing anything.

Does Spearmint Tea Help With Weight Loss Or Belly Fat?

No solid study says it does. Of all the spearmint tea benefits you'll see online, fat loss is the least supported. The tea is close to zero calories and has no caffeine, so it can replace a sweet drink, and that swap can help over time. That's a calorie story, not a spearmint story. Anyone promising that a cup of mint melts belly fat is selling something.

What Happens If You Drink Spearmint Tea Every Day?

If you want to test the spearmint tea benefits yourself, a cup or two a day is unlikely to cause problems for most healthy adults. The hormone trial used tea twice a day, and Cleveland Clinic says studies used about 5 grams of tea daily, roughly three or four tea bags. Those are research amounts, not a prescription. If you notice heartburn, stop.

Can you drink spearmint tea at night?

Usually yes. It's caffeine free, so it won't keep you awake the way black or green tea can. If it gives you reflux, drink it earlier in the day and not right before lying down.

Spearmint Tea Benefits And Side Effects: Who Should Be Careful

The risks are small but real. Mint can relax the valve between the stomach and the food pipe, so acid reflux and heartburn get worse for some people. In pregnancy and while breastfeeding, moderate amounts are generally considered acceptable, but medicinal quantities are best avoided unless your doctor agrees. Cleveland Clinic suggests limiting intake if you have kidney or liver problems. And if you take medicine for diabetes, blood pressure or hormones, talk to your doctor first.

Is spearmint tea safe for men?

Spearmint tea benefits for men are an open question, mostly because of the effect on testosterone. The tea trials were done in women, so we don't know what regular drinking does in men. There's no strong reason to avoid an occasional cup, but if you have a hormone condition, check with your doctor.

How To Make Spearmint Tea At Home

1. Rinse 10 to 15 fresh spearmint leaves and bruise them lightly. Use about a teaspoon of dried leaves, or one tea bag, if you don't have fresh.
2. Bring 2 cups of water to a boil and turn off the heat.
3. Add the leaves, cover the pot and steep for 5 to 7 minutes.
4. Strain into a mug. Add honey and a squeeze of lemon if you like.
5. Drink it warm, or chill it for an iced version.

Fresh, dried or tea bags

Fresh leaves taste brighter and cost almost nothing if you grow a pot on the balcony. Dried leaves keep longer. Tea bags make it easiest to measure a steady amount if you're trying to match the doses behind the spearmint tea benefits you read about. Check the label to make sure it's pure spearmint and not a blend.

Spearmint vs pudina

Pudina is the everyday word for mint in Hindi and in many Indian kitchens, and the bunch at your local market isn't always labelled by species. Spearmint (Mentha spicata) usually has narrow, pointed leaves and a soft, sweet smell. A sharp, icy bite points more toward peppermint. If you can't tell, ask the seller. Any mint makes a pleasant tea, but the research is on spearmint.

When Spearmint Tea Is Not Enough

If you have irregular periods, a lot of facial hair or other signs of PCOS or PCOD, see a doctor. Tea can sit next to medical care but it can't replace it. That's the right frame for every one of the spearmint tea benefits above.

Spearmint Tea Benefits: Frequently Asked Questions

Is spearmint tea safe during pregnancy or while trying to conceive?

The evidence is limited. Moderate amounts are generally considered acceptable, but medicinal quantities are best avoided unless your doctor says otherwise.

Does spearmint tea contain caffeine?

No. It's made from mint leaves, not from the tea plant, so it's naturally caffeine free.

How long do spearmint tea benefits take to show up?

The hormone trial ran for 30 days, and any effect builds slowly. Give it about a month before judging, and don't expect dramatic changes.

Spearmint tea or green tea for PCOS?

They're different drinks. Green tea has caffeine and its own research. Spearmint is caffeine free and has the small hormone trial above. Neither one is a treatment, and you can drink both. If caffeine bothers you, spearmint is the easier fit.

Can I take spearmint capsules or extract instead of tea?

Extracts are stronger, and the memory studies used them, so you can't swap the results one for one. Talk to your doctor before starting any supplement.

Can I drink spearmint tea with my medicines?

There isn't enough research to rule out interactions, especially with diabetes, blood pressure or hormone medicines. Ask your doctor or pharmacist.

Conclusion

So what are the real spearmint tea benefits? A pleasant, caffeine free drink with one small but interesting hormone trial behind it, plausible digestive comfort, and a long tail of early claims. That's more modest than the listicles suggest, and we think that's fine. A cup of spearmint tea is a nice habit, not a treatment.

Pick a quiet afternoon, brew one cup and see how your stomach feels. That will tell you more than any list will. If you enjoyed this guide to spearmint tea benefits, our masala chai benefits article on Misty Mountain covers another cup worth understanding.