Lemon Balm Benefits: Stress, Sleep and Digestion
Lemon balm (Melissa officinalis) is one of the most versatile calming herbs available. Behind its modest appearance and fresh citrusy scent lie well-documented benefits for stress, sleep and digestion. This aromatic Mediterranean herb deserves a permanent place in any herbal tea collection. Here is what it offers, and how to make the most of it.
Lemon balm: portrait of a generous herb

Lemon balm (Melissa officinalis), sometimes called bee balm or French tea, is a hardy perennial herb from the Lamiaceae family, a family that also includes mint and lavender. Native to the Mediterranean basin, it is now cultivated throughout Europe and the Middle East.
Its name comes from the Greek word "melissa", meaning "bee": its small white flowers are a magnet for bees, which produce a particularly fragrant honey from them. Whether fresh or dried, the leaves release a characteristic and delightful citrus scent.
The documented benefits of lemon balm
Relief from stress and anxiety
Lemon balm is among the most thoroughly studied anxiolytic herbs. Its active compounds (rosmarinic acid, citronellal, citral) act on the brain's GABA receptors in a way that is broadly similar to benzodiazepines, but far gentler and entirely free from dependency risk.
A clinical study (Kennedy, 2003) found that lemon balm supplementation improved mood and reduced anxiety under conditions of acute stress (mental arithmetic under pressure), with a measurable effect from the very first dose.
Better sleep
Several studies confirm lemon balm's positive effect on falling asleep and overall sleep quality. A 2011 study involving anxious children showed a significant reduction in sleep disturbances after four weeks of treatment using a combined lemon balm and valerian extract.
Digestive support
Lemon balm has long been used to ease stress-related digestive complaints: bloating, intestinal spasms and that knotted feeling in the stomach. The EMA recognises its use for mild indigestion and minor gastrointestinal spasms.
Antiviral action (including cold sores)
Remarkably, lemon balm has demonstrated antiviral activity against herpes simplex (HSV-1 and HSV-2). A topical cream containing 1% lemon balm extract has been shown in several clinical trials to reduce the duration and severity of cold sore outbreaks.
Cognitive support
Studies conducted on healthy young adults (Kennedy, 2002) suggest that lemon balm can enhance certain short-term cognitive functions, including attention and working memory. The effect is modest but consistently observed.
Thyroid modulation
Traditionally, lemon balm has been used to help manage mild hyperthyroidism due to its modulating effects on thyroid function. Any such use should only be undertaken under medical supervision.
How to prepare a lemon balm herbal tea

Basic recipe
- 1 to 2 teaspoons of dried leaves (or 4 to 5 fresh leaves)
- 250 ml of just-boiled water
- Honey and lemon (optional)
Method
- Pour the hot water over the lemon balm in your cup.
- Cover the cup (important for preserving the essential oils).
- Steep for 5 to 10 minutes.
- Strain and enjoy warm.
Fresh herb tip
Fresh lemon balm is even more aromatic and potentially more effective. If you have a garden or a balcony, it is well worth growing: it is easy to cultivate and produces leaves generously throughout the warm season.
When to drink lemon balm tea
For daytime stress
Two to three cups spread throughout the day. Particularly helpful before or after a demanding situation such as a meeting, an interview or a difficult conversation.
For sleep
One cup 30 to 60 minutes before bed. Combining it with valerian or chamomile strengthens the effect.
For digestion
One cup after a meal. Especially effective for the kind of knotted, unsettled stomach that comes from emotional tension.
Blends and variations

Lemon balm and chamomile
The gentlest of calming combinations. Suitable even for children from age three, in appropriately adjusted quantities.
Lemon balm and passionflower
For more pronounced anxiety. The two herbs work synergistically, amplifying each other's anxiolytic effect.
Lemon balm and valerian
For deep, restorative sleep. Valerian promotes sleep onset while lemon balm softens its rather challenging taste considerably.
Iced lemon balm and mint
A summer cold brew: 10 g of lemon balm, 5 mint leaves and 1 litre of cold water, left to infuse in the refrigerator for 6 hours. Refreshing and gently calming.
Precautions and contraindications
- Pregnancy and breastfeeding: culinary amounts are fine, but therapeutic doses should be avoided as a precaution.
- Thyroid conditions (hypo or hyperthyroidism): medical advice is essential before any course of treatment.
- Sedative or antidepressant medication: possible potentiation; check with your doctor.
- Glaucoma: theoretical risk of increased intraocular pressure.
- General anaesthesia: discontinue use at least 48 hours beforehand.
- Children: suitable from age three in appropriate doses.
Our T&T selection
Explore our herbal teas and infusions featuring lemon balm in carefully balanced blends. Whether you are looking for support with sleep, anxiety or digestion, our herbal teas are there to accompany your daily life, gently and naturally.
Lemon balm vs other calming herbs
| Herb | Primary action | Strength | Taste |
|---|---|---|---|
| Lemon balm | Stress and digestion | Moderate | Citrusy |
| Chamomile | Universal calming | Gentle | Soft floral |
| Passionflower | Anxiety and sleep | Moderate | Herbaceous |
| Valerian | Deep sleep | Strong | Challenging |
| Linden blossom | Muscular relaxation | Gentle | Soft floral |
Frequently asked questions
Does lemon balm actually help you sleep?
Yes, its effect on sleep onset and sleep quality is well established, though gentle in nature. It is not a sedative, but a genuine aid, particularly when sleep is disrupted by stress or a busy mind.
How long before you notice the effects?
For acute anxiety, the calming effect can be felt from the very first cup. For chronic sleep difficulties, a regular course of two to four weeks tends to yield the most noticeable results.
Is lemon balm suitable for children?
Yes, from age three, in appropriately reduced doses (0.5 to 1 g per cup). It is a sound alternative to pharmaceutical sleep aids for anxious children. When in doubt, always consult a paediatrician first.
Fresh or dried lemon balm: is there a difference?
Fresh lemon balm is more aromatic and particularly lovely in cooking. Dried is more convenient, keeps for up to a year and delivers a broadly similar therapeutic effect.
What does lemon balm taste like?
Delicate, citrusy, with a slight hint of mint. It is one of the most pleasant-tasting herbal teas available, and almost universally enjoyed.
Can lemon balm be used in cooking?
Absolutely. It is delicious in salads, cold sauces, fish marinades, syrups and even ice cream. Its fresh citrus note adds a bright, elegant lift to all kinds of dishes.