Holly Hill Health Foods Lemon Balm Both Physical and Mental Calming Herb 1 Ounce. Lemon Balm is an herb from the mint family and is thought to have calming properties. It may promote relaxation reduce stress aid in sleep ease pain and possible help cold sores heal more quickly. Effective Treatment For Gastrointestinal Complaints Such As Indigestion Gas Cramping And Irritable Bowel. Topically Lemon Balm May Relieve Irritation And Help Heal Wounds Skin Irritations And Insect Bites. Its Anti-Viral Properties Make Lemon Balm An Effective Treatment For Cold Sores.