What is the correct dosage of lemon balm?

The recommended dose of crude herb lemon balm is 1.5 to 4.5 grams per day, according to Drugs.com. When used as a sleep aid with valerian, the recommended dosage of lemon balm is 80 milligrams two to three times daily.

Lemon balm is commonly used to treat pain, digestion problems and mental disorders, as explained by WebMD. Known for its 'calming' effects, lemon balm has also been used by individuals suffering from anxiety, restlessness and sleep problems. This herb has proven beneficial in treating Alzheimer's disease, ADHD and Grave's disease and is applied as a topical agent to cold sores.