Kalms Lavender One-A-Day Capsules Kalms Lavender One-A-Day Capsules are a traditional herbal medicinal product used for the temporary relief of the symptoms of mild anxiety. Lavender oil has a long standing association with relieving symptoms of mild anxiety such as stress & nervousness. Kalms Lavender One-A-Day Capsules are for use in adults & the elderly. They are not recommended for children or adolescents under 18 years old.