Keep out of reach of children. This product contains melatonin. If you are under medical supervision, or are taking tranquilizers or sedatives, seek the advice of your physician prior to using this product. So not use this product if you have an auto-immune condition, depressive or endocrine disorder, or are pregnant or lactating. Do not take this product while operating a motor vehicle or machinery. Not to be taken by individuals under the age of 16. So not use if imprinted seal under cap is broken or missing.