Carlos Solis
Mint rarely gets credit: a sprig in a cocktail, a few leaves on a steak, or the familiar flavor in toothpaste. This unassuming herb plays bigger roles in traditional medicine and cooking, and recent studies suggest its aromatic compounds can influence gut symptoms, oral health, and alertness.
Beyond its cooling sensation, mint contains polyphenols and other phytochemicals with antioxidant activity. Nicola Ladlam-Reyn, a registered dietitian, says mint is an easy way to add a lot of flavor without extra calories. Add it regularly to salads, yogurts, fruit dishes, or to meat and fish to vary your meals and give them a small nutritional boost.
What’s good in mint?
Mint provides vitamins A and C. One serving of fresh mint weighing about 11.4 g (about two tablespoons) supplies roughly 3% of the daily value for vitamin A and about 13 mg of vitamin C, which is around 15-20% of the daily value.
Mint also contains folate (vitamin B9) and vitamin B6, which support metabolism, brain function, and cellular processes. Key phytochemicals include rosmarinic acid. The herb also offers minerals such as iron, manganese, and calcium. Mint isn’t a primary source of vitamins, but it works as a useful addition to an already balanced diet.
Peppermint or spearmint: what’s the difference?
There are hundreds of mint varieties, but peppermint and spearmint are the best known. They look similar, but their flavors differ. Peppermint tastes sharper and more intense because it contains more menthol, which is why manufacturers use it in toothpaste, chewing gum, and some heartburn remedies.
Spearmint tastes milder and sweeter, with a fresher, grassy note. Chefs prefer spearmint for salads, sauces, summer drinks, and dishes from Mediterranean or Middle Eastern cuisines.
How does mint affect digestion?
Drinking mint tea after a heavy meal makes sense. Menthol partly relaxes intestinal muscles and can reduce inflammatory activity in cells, so it helps with spasms, abdominal pain, and bloating. Most clinical evidence, though, involves concentrated peppermint in the form of essential oil rather than fresh leaves.
A 2018 review led by researchers at Western University in Ontario pooled placebo-controlled trials and five meta-analyses and found peppermint oil consistently outperformed placebo for easing symptoms of irritable bowel syndrome and other gastrointestinal conditions. The review estimated that for every three people who took peppermint oil, one experienced an improvement beyond placebo.
Mint and stress: how aroma affects the nervous system
Menthol is a terpene, a class of natural compounds that produce smells and flavors in plants. In mint, menthol and related compounds can soothe and relax muscles and reduce physical tension, which in turn affects the nervous system.
Practitioners use peppermint essential oil in aromatherapy to promote relaxation and mental clarity. In 2022, Iranian researchers tested whether peppermint oil reduced anxiety in cardiac patients in a hospital emergency department. Patients who had a cotton swab with peppermint oil held near their nose for an hour showed a significant drop in anxiety compared with a control group given a water-soaked swab.
Other studies have reported that peppermint can boost alertness, reduce driver fatigue, aid sleep, and improve mood. Mint is not a substitute for medical treatment, but the evidence suggests its effects go beyond digestion and can influence overall well-being.
Why is mint so tied to fresh breath?
The minty scent instinctively signals freshness, so manufacturers use it in toothpaste, mouthwashes, and breath fresheners. Mint does more than mask bad breath.
Chewing fresh leaves stimulates saliva and exposes the mouth to the plant’s natural antimicrobial compounds. That approach can be better than sugar-coated mints or candy that feed odor-causing bacteria. Fresh mint contains no added sugar and leaves a clean, cool feeling, but it does not replace routine oral hygiene.
Who should avoid mint
Most people can safely use mint in normal culinary amounts. Concentrated products, such as peppermint oil capsules, may not suit everyone.
People with gastroesophageal reflux disease may notice worse symptoms because peppermint can relax the lower esophageal sphincter, making acid reflux and heartburn more likely. The same risk exists for people with a hiatal hernia. Concentrated peppermint products may also affect bile flow, so anyone with gallbladder problems should consult a doctor before using them.
Essential oils can interact with some medications by altering absorption or metabolism. If symptoms are persistent, severe, or new, see your primary care physician or a registered dietitian rather than relying solely on supplements. People allergic to mint or to plants in the Lamiaceae (mint) family should avoid mint entirely.
How to add mint to your diet
Finely chopped fresh mint pairs well with salads, new potatoes, fruit salads, and dips, or as a flavoring for water and herbal teas. A small handful of leaves adds flavor without extra calories.
Use mint as a flavor accent and a reminder that small changes to your menu can make dishes more interesting and slightly healthier.
Based on material from Daily Mail
