If you are under medical supervision or are taking tranquilizers or sedatives, seek the advice of your physician prior to using Natural Sleep. Do not use Natural Sleep if you have an auto-immune condition, depressive or endocrine disorder, or are pregnant or lactating. Do not take Natural Sleep while operating a motor vehicle or machinery. Not intended for use by individuals under 16. Keep out of reach of children. Do not use if capsule have been tempered or damaged.