WARNING: Do not use if safety seal is broken or missing. Keep out of reach of children. Keep your licensed health care practitioner informed when using this product. If you are pregnant or lactating, or have diabetes, achlorhydria, malabsorption, bladder cancer, or cataracts, or if you have been prescribed MAO inhibitors, serotonin reuptake inhibitors, or lithium, consult with your licensed health care practitioner before using. Individuals with hypersensitivity to tryptophan should not use. May cause drowsiness; do not use while driving or operating heavy machinery.