Learn About Lemon Balm Research and Potential Uses

What Is Lemon Balm and Where Does It Come From?

Lemon balm is a plant that belongs to the mint family. Its scientific name is Melissa officinalis. The plant grows wild in many parts of the world, including the Mediterranean region, Central Asia, and Iran. Today, it is cultivated in gardens across North America and Europe. The plant has small, oval-shaped leaves that smell and taste like lemon when you touch or crush them. This is where it gets its common name.

Learn About Medicaid Programs and Eligibility Requirements →

The plant typically grows between 12 and 24 inches tall. It produces small white, pink, or purple flowers that bloom in the summer months. Bees are attracted to lemon balm flowers, which is why one of its older names is "bee balm." The entire plant—leaves, stems, and flowers—has been used for centuries in traditional medicine practices across many cultures, particularly in Europe and the Middle East.

Lemon balm has been documented in historical texts for at least 2,000 years. Medieval monks grew it in monastery gardens and used it to make teas and remedies. The plant contains various chemical compounds, including polyphenols, flavonoids, and essential oils. These compounds are believed to be responsible for the plant's potential health-related properties. When you purchase lemon balm, you may find it in several forms: fresh leaves, dried leaves, tea bags, tinctures, capsules, or essential oils.

The plant is generally recognized as safe by the U.S. Food and Drug Administration when used as a food flavoring or tea. It is widely available at farmers markets, health food stores, and online retailers. Growing lemon balm at home is relatively straightforward, as the plant grows well in most climates and soil types. Many people choose to grow their own supply because the plant is perennial in warmer regions and produces leaves throughout the growing season.

Practical Takeaway: Understanding the basic origins and characteristics of lemon balm helps you identify quality products and understand what you are purchasing. Look for dried leaves that are green in color and have a pleasant lemon aroma, or select plants from reputable nurseries if growing your own.

Historical Use and Traditional Applications

Lemon balm has a rich history of use in traditional medicine systems around the world. In ancient Greece, it was called "elixir of life" and was believed to promote longevity. Greek and Roman healers used the plant to treat a range of conditions, from nervous complaints to digestive issues. Islamic physicians and herbalists documented lemon balm in their medical texts during the Middle Ages. In Europe, particularly in Germany and France, lemon balm became known as a calming herb and was widely used in folk remedies.

Learn About BJ's Wholesale Club Senior Membership Options →

During the Renaissance period, lemon balm was cultivated in the gardens of European nobility and monasteries. Monks made preparations called "Carmelite water" or "Carmelite spirit," which combined lemon balm with other herbs. Historical records indicate this preparation was popular in France during the 17th and 18th centuries. People used it for what they described as "melancholy," restlessness, and various physical complaints. The herb appeared in the London Pharmacopoeia and other official medicinal texts of the era, indicating it was recognized by medical practitioners of that time.

In traditional Chinese medicine, plants similar to lemon balm were used in combination with other herbs to address what practitioners called "liver qi stagnation" and emotional imbalance. In Ayurvedic medicine from India, mint family plants with similar properties were used to balance what practitioners call the "pitta" and "vata" constitutions. These traditional uses span multiple continents and centuries, suggesting the plant had recognized value in different healing traditions.

Across traditional European herbalism, lemon balm was recommended for supporting nervous system relaxation, promoting restful sleep, and supporting digestive comfort. Herbalists recommended it as a tea for daily use. Some traditional preparations involved steeping fresh leaves in hot water, while others involved making alcohol-based extracts. The consistency of use across centuries and cultures suggests that many people observed what they believed to be beneficial effects.

Practical Takeaway: While traditional use is not the same as scientific proof, the long history of lemon balm use provides context for why modern researchers have chosen to study it. Understanding this background can help you make informed decisions about whether exploring lemon balm might fit your wellness approach.

What Research Studies Show About Lemon Balm

Modern scientific research on lemon balm has grown significantly over the past two decades. Researchers have conducted numerous laboratory studies, animal studies, and human clinical trials to examine the plant's properties and potential uses. According to the National Center for Complementary and Integrative Health (NCCIH), which is part of the National Institutes of Health, several areas of lemon balm research show promise, though more study is needed in many areas.

Get Your Free Napa Cabbage Preparation Guide →

One area where research has been relatively extensive involves stress and relaxation. A study published in the journal Nutrients in 2019 reviewed multiple clinical trials involving lemon balm. The researchers concluded that several studies showed lemon balm may support feelings of calmness and relaxation. In one study, participants who took lemon balm reported reduced feelings of anxiousness compared to those who took a placebo. However, the researchers noted that study sizes were often small and that more large-scale trials are needed to make strong conclusions.

Sleep quality is another area that has received research attention. A 2011 study published in the journal Phytotherapy Research involved 81 people with insomnia. Those who took a combination product containing lemon balm along with other herbs reported improvements in sleep quality compared to the placebo group. A 2017 study found that a combination product containing lemon balm and valerian root helped children with restlessness sleep better. These studies suggest potential benefits, but they typically use combination products, making it difficult to determine lemon balm's specific contribution.

Digestive comfort is a third research area. Several studies have examined lemon balm's effects on digestive complaints. A 2011 study in the European Journal of Clinical Research found that a combination product containing lemon balm and other herbs helped reduce symptoms of functional indigestion. A 2015 review of studies on herbal remedies for digestive discomfort noted that lemon balm appeared in several traditional formulas and that preliminary research suggested potential benefits, though more research with larger groups was recommended.

Research has also examined lemon balm's chemical composition to understand how it might work in the body. Studies show that lemon balm contains compounds called polyphenols and flavonoids that have antioxidant properties in laboratory settings. Some research suggests that the essential oil and leaf extracts of lemon balm may have properties that support healthy cell function. A 2017 review in the journal Phytomedicine compiled evidence from multiple studies about lemon balm's bioactive compounds and their potential mechanisms of action.

Practical Takeaway: Current research suggests lemon balm may support relaxation, sleep quality, and digestive comfort in some people, but researchers emphasize that more studies with larger groups and longer durations are needed. This means lemon balm may be worth considering as part of a broader wellness approach, but should not be viewed as a replacement for medical treatment.

Potential Benefits and How Lemon Balm May Work

Based on available research and traditional use, lemon balm is studied for several potential benefits. One proposed mechanism involves how lemon balm may interact with neurotransmitters in the brain. Neurotransmitters are chemical messengers that affect mood, sleep, and stress response. Some research suggests that compounds in lemon balm may influence the activity of GABA receptors in the brain. GABA is a neurotransmitter associated with relaxation and reduced nervous system activity. This mechanism may explain why people have traditionally used lemon balm for relaxation and why some research studies found it may reduce feelings of anxiousness.

Get Your Free California License Plate Customization Guide →

Another area of research focuses on lemon balm's antioxidant properties. Antioxidants are substances that may help protect cells from damage caused by free radicals. Free radicals are unstable molecules produced during normal metabolism and by environmental stresses. Laboratory research shows that compounds in lemon balm, particularly caffeic acid and rosmarinic acid, demonstrate antioxidant activity. Some researchers believe that this antioxidant activity could contribute to various health benefits, though more research is needed to understand how these laboratory findings translate to effects in the human body.