This balm was made for soothing

Lemon balm, sometimes known as Melissa for its Latin name (Melissa officinalis) is a member of the mint family of plants native to the eastern Mediterranean. The herb’s use in medicine dates back to ancient Rome, where it was first used to clear up infected wounds and treat bites and stings. In the United States, the lemony herb is sometimes used to flavor baked goods and other foods; it is more popular as a supplement in Europe, where its common uses include treatment of gas, insomnia and cold sores.

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Uses: Lemon balm often is taken for nervousness and insomnia. It also is sometimes used to treat cold sores, migraines, high blood pressure, bloating, toothaches and irregular menstruation. Some herbalists advise taking lemon balm for Alzheimer’s disease, although evidence in support of this use is limited.

Dose: Recommended doses range from 1 to 10 grams daily. Lemon balm supplements come in capsules, tinctures, creams and topical ointments for treating cold sores. A tablespoon of leaves can be used to make a lemon balm tea.

Precautions: Side effects are rare but can include dizziness, nausea and skin irritation. Lemon balm shouldn’t be taken by people with thyroid conditions, because it can have an effect on thyroid hormone production. The herb may also compound the effects of prescription drugs that cause drowsiness.

Research: Lab tests show that the oil in lemon balm is effective against the herpes virus that causes cold sores, as well as other viruses and bacteria. A few human studies have shown that lemon balm speeds the healing of cold sores and may help protect against their recurrence. In several recent European and Asian trials, lemon balm improved memory and had a calming effect on subjects, including Alzheimer’s patients and people with other forms of dementia. Other research suggests lemon balm may be effective for indigestion.

Dietary supplement makers are not required by the U.S. government to demonstrate that their products are safe or effective. Ask your health-care provider for advice on selecting a brand.

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-- Elena Conis