Precautions: Not recommended for use during pregnancy. California Prop 65: Warning This product contains lead, a chemical known to the State of California to cause birth defects or other reproductive harm. Lead is found naturally occurring in soil. Plant material in this product is either organic, cultivated, wildcrafted, or of best quality available. For more information about lead see "What is California's Proposition 65?" under Frequently Asked Questions on Wise Woman Herbals' homepage.