Lemongrass tea: effects, possible benefits, mental wellbeing & side effects
Introduction
Lemongrass originates in South-East Asia and is valued around the world for its many culinary and traditional medicinal uses. As a tea, lemongrass is associated with a range of positive effects, including therapeutic ones. Lemongrass tea supports digestion and relaxation, and is described as antioxidant, anti-inflammatory and blood-pressure-lowering. It may also have a positive effect on your mental wellbeing by reducing stress and improving sleep quality.
In this article, find out about the effects of lemongrass and lemongrass tea, its health benefits and potential side effects, as well as the many therapeutic uses of lemongrass.
Contents
- What is lemongrass?
- Health effects of lemongrass tea
- Lemongrass tea and its effects on mental wellbeing
- How lemongrass tea affects blood pressure
- Effects of lemongrass for athletes
- Side effects of lemongrass tea
- Lemongrass and histamine – how the tea affects histamine intolerance
- Lemongrass tea for children
- Drinking lemongrass tea in the evening
- Lemongrass: constituents and their benefits
- Summary and conclusion
1. What is lemongrass?
The plant lemongrass, known botanically as Cymbopogon citratus, is a tropical plant known for its fresh, lemony scent and flavour. It originates in South-East Asia, particularly countries such as India, Thailand, Vietnam and Sri Lanka. Its many uses in cooking, cosmetics and traditional medicine have since led to it spreading across tropical and subtropical regions around the world.
1.1 Where lemongrass comes from
Lemongrass prefers warm, humid climates and thrives in nutrient-rich soils. In its native South-East Asia, it has been used for centuries both as a culinary ingredient and in traditional medicine. It is particularly well established in Thai and Indonesian cooking, where it adds a distinctive fresh note to dishes such as soups, curries and marinades.
Lemongrass is now grown across many tropical regions, including Africa, Australia and South America. Our lemongrass products, such as Guayusa-Lemongrass, lemongrass tea and Pineapple-Paradise, come from the biodiverse permaculture forest gardens of Ecuador’s Kichwa people.
For a detailed look at where lemongrass comes from, the main growing regions and differences in cultivation, read our article: "Where does lemongrass come from?"
2. Health effects of lemongrass tea
Lemongrass is not just a star in the kitchen; it is also a remarkable herb for health. From antimicrobial effects to supporting digestion, this plant has plenty to offer.
It may also help relieve stress, ease inflammation and even strengthen the immune system. In the next sections, we explain why lemongrass is described as a natural all-rounder that belongs in every home.
Lemongrass has traditionally been used in various cultures to treat a range of ailments, and research is now exploring scientific explanations for these traditional uses.
2.1 Antimicrobial properties
The essential oils in lemongrass, particularly citral, show notable activity against various pathogenic microorganisms.
Studies have found that lemongrass oil can inhibit the growth of bacteria such as Staphylococcus aureus, Bacillus subtilis and Pseudomonas aeruginosa. Antifungal activity has also been observed against fungi such as Aspergillus niger and Candida species.
2.2 Antioxidant effects
The flavonoids in lemongrass, particularly quercetin, have strong antioxidant properties. They can neutralise free radicals, reduce oxidative stress and help protect cells from damage. This may help prevent chronic diseases and support general health. Find out more in this study.
2.3 Anti-inflammatory effects
Lemongrass has anti-inflammatory properties that may help ease inflammation in the body. This may be particularly relevant to chronic inflammatory conditions and could help relieve symptoms and support wellbeing.
2.4 Antiviral activity
Some studies also suggest that lemongrass has antiviral properties that may act against various viruses.
Lemongrass, for example as tea, may therefore help prevent and treat viral infections.
2.5 Potential anticancer effects
Active compounds in lemongrass, such as apigenin, have been shown to inhibit the growth of cancer cells. They promote apoptosis (programmed cell death) in tumour cells and could therefore play a supportive role in cancer therapy. More information was published in this study.
2.6 Digestive effects
Drinking lemongrass tea may support digestion by stimulating the production of digestive juices and reducing bloating. This is why lemongrass tea is used for digestive complaints in many countries.
2.7 Calming and anxiety-reducing effects
Lemongrass tea has traditionally been valued for its calming properties. Some studies suggest it may have anxiety-relieving effects, supporting its use as a natural calming remedy.
In summary, lemongrass tea is associated with a broad range of medicinal effects recognised in both traditional medicine and modern scientific studies. Its varied properties make it a valuable part of herbal medicine and potentially conventional medicine too.
Regularly drinking lemongrass tea may contribute to general health and wellbeing.
2.8 Lemongrass: effects on hair
Lemongrass strengthens the hair roots, promotes hair growth and reduces dandruff through its antibacterial and anti-inflammatory properties.
Strengthening hair roots and promoting hair growth
The nutrients in lemongrass, particularly vitamins and minerals, may strengthen hair follicles and thus support hair growth. Lemongrass also has antioxidant properties which, according to studies, may help reduce oxidative damage to the hair roots.
Reducing dandruff
A 2015 study investigated the effects of lemongrass essential oil on dandruff. Participants who used a hair tonic containing lemongrass oil showed a significant reduction in dandruff after 14 days compared with the placebo group.
Antibacterial and anti-inflammatory properties
Bioactive compounds such as citral and geraniol are known for their antibacterial and anti-inflammatory effects and may help prevent scalp infections and reduce inflammation.
How to use it
For hair care, lemongrass can be used as an essential oil. Mix a few drops with a carrier oil (e.g. jojoba or coconut oil) and gently massage it into your scalp. Leave it on for 30 minutes, then wash your hair with a mild shampoo. As a guide, use it once or twice a week.
2.9 Lemongrass tea as an invigorating drink
Lemongrass tea is not only refreshing; it may also gently stimulate the body. Its essential oils may improve metabolism and circulation.
Effects on metabolism
The bioactive compounds in lemongrass may stimulate metabolic activity. Citral, one of its main constituents, increases fat burning and energy expenditure.
Supporting circulation
Lemongrass tea has a circulation-supporting effect, as it slightly widens the blood vessels and improves oxygen supply to cells. According to a study, the flavonoids it contains may help maintain vascular health, support the circulation and stabilise it.
How to make it and tips
To make an invigorating lemongrass tea, you’ll need:
- 2 teaspoons of dried lemongrass
- 500 ml hot water
- Optional: a squeeze of fresh lime juice or a teaspoon of honey
Pour hot, but not boiling, water (about 80–90 °C) over the lemongrass and leave it to steep for 8–10 minutes. Drink it in the morning or afternoon to boost your energy naturally.
Note
Lemongrass tea provides gentle energy without the side effects of caffeine, such as jitters or sleep problems. However, pregnant women or those who are breastfeeding should drink it with caution and consult a doctor if in doubt.
2.10 Lemongrass tea for weight loss
Lemongrass tea may support weight loss by boosting metabolism, helping the body shed water and regulating appetite.
The essential oils it contains promote fat burning and improve digestion, while its diuretic properties reduce excess water in the tissues.
Research has found that its compounds may also regulate appetite, making lemongrass tea an ideal fitness companion on the go.
3. Lemongrass tea and its effects on mental wellbeing
Lemongrass has traditionally been valued for its calming effects on the body and mind. Researchers have begun to investigate and confirm these effects. Here are some examples of the potential therapeutic effects of lemongrass on mental wellbeing.
3.1 Anxiety-relieving effects of lemongrass
Studies have found that the essential oils in lemongrass may have anxiolytic effects (that is, they may relieve anxiety). The study also found that the scent of lemongrass oil affects nervous system activity and reduces anxiety.
3.2 Mood-lifting properties
The aromatic components of lemongrass may have a positive effect on mood. Studies have found that inhaling lemongrass oil may ease depressive symptoms.
3.3 Supporting sleep quality
Lemongrass has traditionally been used to improve sleep. Scientific research suggests that lemongrass’s calming properties may improve sleep quality by calming the central nervous system.
In summary, traditional uses and scientific studies alike suggest that lemongrass may have positive effects on mental wellbeing, particularly by reducing anxiety, improving mood and supporting restful sleep.
4. How lemongrass tea affects blood pressure
In addition to the effects on the body and mind described above, lemongrass tea may also have promising effects on high blood pressure.
4.1 Traditional uses of lemongrass
In traditional medicine, particularly in South-East Asia, lemongrass tea is often used to support cardiovascular health. Regular consumption is thought to help relax the blood vessels and thereby lower blood pressure. This use of lemongrass tea is also known in Ecuador, where our lemongrass is grown in harmony with the Amazon rainforest.
A more relaxed cardiovascular system means less strain on the body and, in turn, the mind. This is why the effects of lemongrass tea may be of interest to people with high blood pressure, among others.
4.2 How lemongrass tea may lower blood pressure
The potential blood-pressure-lowering effects of lemongrass tea may be due to several factors:
- Diuretic effect: Lemongrass promotes urination, which may reduce blood volume and, in turn, lower blood pressure.
- Vasodilation: Certain compounds in lemongrass help relax the smooth muscles in blood vessels, causing them to widen and potentially lowering blood pressure.
- Antioxidant properties: The antioxidants in lemongrass may reduce markers of oxidative stress associated with high blood pressure.
4.3 Recommendations
Because there is limited scientific evidence on the blood-pressure-lowering effects of lemongrass tea, pay close attention to how you feel when drinking it.
It is advisable to consult a doctor or nutritionist before drinking lemongrass tea regularly as a therapeutic measure, particularly if you are already taking blood-pressure-lowering medicines.
5. Effects of lemongrass for athletes
Lemongrass may also be of interest to athletes. Its compounds offer potential benefits that may contribute to improved athletic performance and general health.
5.1 Antioxidant properties
The flavonoids and polyphenols in lemongrass act as powerful antioxidants. They neutralise free radicals, which are produced in greater quantities during intense physical activity, and thus protect cells from oxidative stress. This may help you recover more quickly after training and strengthen the immune system.
5.2 Anti-inflammatory effects
The anti-inflammatory properties of lemongrass may help reduce inflammation caused by intense physical activity. This may ease muscle soreness and support recovery.
5.3 Supporting digestion
A healthy digestive tract is essential for everyone, not just athletes, to absorb nutrients effectively. Lemongrass tea may support digestion by stimulating the production of digestive juices and reducing bloating. This helps the body use nutrients efficiently, which is important for energy during training.
Bloating and poor nutrient absorption can also affect your mental wellbeing, so lemongrass tea may help you feel more active and positive overall.
5.4 Antimicrobial properties
The antimicrobial properties of lemongrass may help strengthen the immune system and prevent infections. A strong immune system is important for athletes to avoid missing training because of illness.
5.5 Mental benefits
The aromatic compounds in lemongrass have calming and mood-lifting effects. This may help relieve stress and improve concentration, which can be beneficial during training and competitions, as well as in everyday life.
Lemongrass tea has a range of properties and effects that may benefit athletes physically and mentally. It supports physical health, promotes recovery and may help improve athletic performance.
6. Side effects of lemongrass tea
Although drinking lemongrass tea is generally considered safe, side effects may occur in some cases.
6.1 Allergic reactions
Some people may be sensitive to lemongrass tea and develop allergic symptoms such as rashes, itching or breathing difficulties. These reactions are rare, but if they occur, stop drinking the tea and consult a doctor.
6.2 Interactions with medicines
Lemongrass tea may interact with certain medicines. People taking blood-pressure-lowering or blood-thinning medicines should be particularly cautious, as lemongrass may lower blood pressure and affect blood clotting. It is advisable to consult a doctor before drinking lemongrass tea regularly.
6.3 Digestive discomfort
For some people, drinking lemongrass tea may cause stomach problems such as nausea or increased stomach acid production. These effects are usually mild, but if symptoms persist, reduce or stop drinking the tea.
6.4 Pregnancy and breastfeeding
There is limited scientific data on the safety of lemongrass tea during pregnancy and breastfeeding. Some sources advise pregnant women against drinking it because certain compounds could trigger uterine contractions. This “side effect” of lemongrass tea could, of course, also be seen as a positive effect that may support or possibly induce labour.
In summary, lemongrass tea is safe for most people. However, if you have an existing health condition or take medicines, consult a doctor before drinking it regularly to avoid potential side effects or interactions.
7. Lemongrass and histamine: how the tea affects histamine intolerance
Lemongrass (Cymbopogon citratus) contains no histamine and is not considered a histamine liberator. Instead, it is said to have histamine-lowering properties, making it particularly interesting for people with histamine intolerance.
Lemongrass tea may therefore be a soothing option for people with histamine intolerance. Still, it is important to watch for individual reactions and, if in doubt, consult a doctor or nutritionist.
One important point that is often confused: lemongrass is not related to lemons. Lemons are considered a histamine-containing fruit and histamine liberator, whereas lemongrass has neither of these properties. This makes lemongrass tea, such as our lemongrass tea grown in permaculture gardens, a better choice for people sensitive to histamine.
In summary, lemongrass and lemongrass tea may be a suitable choice for people with histamine intolerance because of their histamine-lowering properties.
You can find suitable histamine-free lemongrass tea recipes in our blog article: Discover 7 histamine-free lemongrass tea recipes. We also have more delicious lemongrass recipes here: Make your own lemongrass tea: 5 recipes & effects.
8. Lemongrass tea for children
Lemongrass tea is often valued for its mild, calming properties, but whether it is suitable for children depends on the individual situation.
The essential oils in lemongrass may be fine in small amounts, but in sensitive children, digestive problems or allergic reactions may occur.
For older children aged around six years and over, moderate amounts of lemongrass tea may have a gentle and calming effect, for example in cases of restlessness or mild digestive discomfort. However, it is recommended to limit the amount to one cup a day and serve the tea lightly diluted.
To be on the safe side, always choose high-quality lemongrass tea, such as our sustainably grown lemongrass tea.
9. Drinking lemongrass tea in the evening
You can drink lemongrass tea in the evening without any problem. It relaxes the body and mind, supports sleep and helps relieve stress – perfect for your evening routine.
Find out more in the section "Calming and anxiety-reducing effects".
10. Lemongrass: constituents and their benefits
Lemongrass contains important compounds such as citral, geraniol and vitamin C, which have antioxidant, anti-inflammatory and digestive effects.
The main constituent, citral, has strong antioxidant and anti-inflammatory effects. Geraniol and limonene also help improve digestion and calm the nervous system. These compounds help the body combat oxidative stress, support detoxification and contribute to general health.
- Citral: A main constituent with antioxidant and anti-inflammatory effects.
- Geraniol: Calms the nervous system and supports digestion.
- Limonene: Supports detoxification and improves fat digestion.
- Vitamin C: Strengthens the immune system and protects against free radicals.
- Iron: Supports the body’s oxygen supply.
- Potassium: Supports heart health and electrolyte balance.
- Flavonoids: Have antioxidant effects and protect cells from damage.
11. Summary and conclusion
Lemongrass is a versatile plant valued in both traditional medicine and modern science. Drinking lemongrass tea is associated with a range of health benefits, including antioxidant, anti-inflammatory and antimicrobial effects.
Lemongrass tea may support digestion, have a positive effect on mental wellbeing and lower blood pressure. It may also be useful for athletes in supporting recovery and overall performance, whether drunk after exercise or used as a seasoning in food.
At the same time, it is important to consider possible side effects, including allergic reactions, interactions with medicines and potential risks during pregnancy and breastfeeding. Lemongrass tea is generally considered safe and beneficial, but should be consumed mindfully and in moderation if any of these conditions apply.
Overall, lemongrass has impressive health potential and can be used in cooking and traditional medicine. Whether as tea, essential oil or a fresh ingredient, its versatility and positive effects make it a natural all-rounder that can be part of everyday life.
Our lemongrass comes from so-called chakras – biodiverse forest gardens managed in harmony with the rainforest by Ecuador’s Kichwa Indigenous people. At GUYA, we place particular importance on sustainable and fair practices. All our products have transparency videos showing harvesting and processing, which you can watch on YouTube. Find all our products in the shop.