LH™ [Respiratory] is a nutritional aid for the respiratory system. Proper maintenance of this system is necessary for good health. LH is a source of iron, magnesium, manganese, selenium, sodium and vitamin C. It contains: Marshmallow root Chinese ephedra herb Mullein leaves Passion flower herb Catnip herb Lobelia herb Horehound herb Slippery elm bark CAUTION: This product contains ephedra. See your health care provider prior to use if: pregnant or nursing, any medical condition exists or when taking any prescription drug. Discontinue if nervousness, sleeplessness, loss of appetite or nausea occur. Maximum ephedrine dose for healthy adults is 100 mg per 24-hour period, for no longer than 12 weeks. Improper use of this product may be hazardous to your health. Not intended for persons under 18. Not to be taken with other ephedra or ephedra-containing products.