Thyme benefits include antioxidant, anti-inflammatory, expectorant, and bactericidal effects that support both general health and specific conditions. Thyme (Thymus vulgaris) is an aromatic herb widely used in cooking that is also known for its health-related properties.
Among the most studied benefits of thyme include its potential to ease coughs, support respiratory function, help regulate blood pressure, and promote heart health. These effects are largely attributed to compounds such as thymol, carvacrol, and other terpenoids.
Thyme benefits are linked not only to culinary use, but also to teas, syrups, baths, inhalation, tinctures, and essential oils. Understanding how thyme is used, its possible side effects, and who should avoid medicinal use is essential for safe and informed use.
Health benefits
The main benefits of thyme include:
1. Relieving coughs
Thyme contains natural compounds (such as carvacrol and γ‑terpinene) with anti-inflammatory, expectorant, and antitussive properties.
These help loosen and clear mucus from the airways, easing coughs associated with colds, bronchitis, asthma, sore throats, and whooping cough (pertussis), which, according to the Centers for Disease Control and Prevention (CDC), can cause serious illness.
2. Managing high blood pressure
The terpenoids found in thyme, including thymol and α‑terpineol, are organic compounds with antihypertensive properties that help control and prevent high blood pressure. According to the American Heart Association (AHA), uncontrolled high blood pressure can harm blood vessels and raise the risk of heart disease and stroke.
In addition, these compounds also exhibit antioxidant and anti-inflammatory effects, supporting arterial health, improving circulation, and further contributing to blood pressure regulation.
3. Preventing cardiovascular disease
The terpenoids found in thyme have strong antioxidant properties that help protect healthy cells from damage caused by free radicals. This, in turn, supports blood vessel health and helps prevent cardiovascular diseases such as heart attack, atherosclerosis, and stroke.
Terpenoids also protect fat cells from oxidation, which helps lower levels of LDL (“bad”) cholesterol and raise levels of HDL (“good”) cholesterol in the blood.
4. Combating anxiety and stress
Some studies [1,2] show that thyme essential oils, particularly limonene, carvacrol, and linalool, may help reduce anxiety and stress by enhancing the activity of neurotransmitters such as GABA in the brain. This effect can promote relaxation, a sense of well-being, and calmness, while also lowering feelings of agitation and nervousness.
5. Treating acne
Thyme, especially in its essential oil form, contains thymol, an organic compound with antiseptic, disinfectant, and antimicrobial properties. These qualities make it helpful for treating acne and other skin conditions, such as dermatitis.
6. Maintaining healthy teeth and gums
Thyme contains thymol, an organic compound that supports healthy teeth and gums. Thymol helps prevent the growth and spread of bacteria that cause cavities and gingivitis, including Streptococcus mutans, Staphylococcus aureus, and Escherichia coli (E. coli).
7. Fighting fungal infections
Thymol and limonene, two compounds found in thyme essential oil, have strong antifungal properties that help combat infections caused by fungi such as Candida albicans, which commonly affect the skin and nails.
In addition, thyme may help fight infections caused by Cryptococcus neoformans, a fungus found in soil and pigeon droppings that can be transmitted to humans through inhalation. This organism can cause cryptococcosis, a disease affecting the lungs and nervous system, which may lead to pneumonia or meningitis.
8. Helping to treat Alzheimer's
Thymol, a compound found in thyme, may help treat Alzheimer’s disease by inhibiting cholinesterase, an enzyme that breaks down acetylcholine, a neurotransmitter essential for memory and learning that is reduced in Alzheimer’s patients.
In addition, thymol has antioxidant and anti-inflammatory properties. These actions can help reduce inflammation and protect the nervous system from free radical damage, which may support treatment for Alzheimer’s disease. However, further human studies are needed to confirm the therapeutic effects of thyme in Alzheimer’s treatment.
9. Helping to fight cancer
Thyme contains high levels of thymol and carvacrol, compounds with anti-tumor properties that can help inhibit the growth of and promote the death of cancer cells. Because of these properties, thyme may help combat cancers such as breast, intestinal, cervical, liver, and lung cancer.
However, scientific studies on humans are still needed to confirm the cancer-fighting benefits of thyme.
How to use
You can use fresh or dried thyme leaves to season meat, fish, vegetables, sauces, pasta, or soups.
For medicinal purposes, the most commonly used parts of thyme are its flowers and leaves (either fresh or dried), which are the source of its active compounds.
1. Thyme tea
To make thyme tea, you can use the fresh or dried leaves.
Ingredients
- 1 teaspoon thyme leaves;
- 1 cup of water.
Directions
Bring the water to a boil, then remove it from the heat and add the thyme leaves. Cover and let the infusion steep for 10 minutes. Strain and drink. You can have up to three cups of this tea per day.
2. Thyme syrup
Thyme syrup can be prepared using dried thyme and honey and is recommended for relieving coughs and sore throat.
Ingredients
- 4 small sprigs of fresh thyme;
- ½ liter (16 oz) of water;
- 1 cup of honey.
Directions
Add the thyme sprigs and water to a pot, then simmer gently for 20 minutes. Turn off the heat and let the mixture rest for about 3 minutes. While it’s still warm, remove the thyme sprigs and stir in the honey until well combined.
Take a teaspoon of the syrup as needed. Store it in a clean, dry glass jar with a tight-fitting lid, and keep it in the refrigerator for up to one month.
3. Thyme bath
A thyme bath can be used to help relieve cough and cold symptoms, or to reduce anxiety and stress.
To do this, simply add 140 g of dried thyme leaves to 1 liter of boiling water. Let it sit for 5 minutes, strain, and add the infusion to the bath water. This bath can be taken once a week for about 10 to 20 minutes.
4. Steam inhalation with thyme
Inhaling thyme steam can help soothe coughing caused by colds or the flu. To prepare, add 3-4 drops of thyme essential oil to 1 liter of warm water in a basin.
Cover your head and the basin with a towel, lean forward, and gently inhale the steam for about 10 minutes.
5. Thyme tincture
A thyme tincture may help ease symptoms of colds, sore throats, asthma, and the flu. The usual recommendation is to take 25 drops diluted in a glass of water, two to three times a day.
Also recommended: How to Make a Tincture: Step-by-Step Guide (& Health Benefits) tuasaude.com/en/how-to-make-a-tinctureSide effects
Using thyme in bath form may cause skin burning, irritation, or redness. When taken orally, thyme can trigger allergic reactions in some individuals.
For this reason, thyme should be used for medicinal purposes only under the supervision of a doctor or another qualified health professional experienced in medicinal plants.
Contraindications for use
When used for medicinal purposes, such as teas, baths, tinctures, and inhalation, thyme is not recommended for people who are pregnant or breastfeeding. It is also not recommended for anyone under 18 years old.
When used in baths, thyme is contraindicated for people with open wounds, large injuries, or skin diseases, as well as those with a high fever, severe infections, severe circulation problems, or heart failure.
People with shortness of breath, high blood pressure, or fever should only use thyme in baths with guidance from a doctor or another healthcare professional who specializes in medicinal plant use.
In addition, people who take regular medications, or who have gastritis, ulcers, colitis, irritable bowel syndrome, or liver disease should only use thyme for medicinal purposes with guidance from a doctor.