Milk Thistle Benefits> to detoxify body temporarily, recommended daily intake of milk thistle is 150 mg, taken times daily. This is a somewhat high dose that can act as a natural liver “detox”. For ongoing use and liver support, mg daily.
Herbs and Pregnancy: a primer on herbal use during pregnancy from the American Pregnancy Association. This gives a great overview of the usefulness of herbal remedies, the precautions to take, and the details to consider.