St. John's Wort can interact with some commonly used prescription and over-the-counter drugs. Do not take the supplement while on any other medication(s) with out the advice of your doctor. St. John's Wort may make your skin more sensitive to the UV radiation (e.g., sunlight or tanning) and cause it to burn. If you are pregnant, nursing, taking any medication or have a medical condition please consult your doctor before use. Keep out of reach of children. Store at room temperature. Do not use if seal under cap is broken or missing.