What pregnancy and breastfeeding information do you have regarding Horsetail (Equisetum Arvense)?
Horsetail is not recommended during pregnancy or breastfeeding, since little information is available about its safety. Its potential to cause thiamine (vitamin B1) depletion, low potassium, and nicotine-like effects are of particular concern. Many tinctures contain high levels of alcohol, and should be avoided during pregnancy.