As with any supplement, if you are pregnant, nursing or taking medication, consult your doctor before use. Not formulated for children. Do not exceed recommended use. Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately. Do not take with sulfonamide since PABA interferes with the activity of this drug.