What herbs should be avoided during pregnancy?

Other herbs that are traditionally regarded with caution during pregnancy include andrographis, boldo, catnip, essential oils, feverfew, juniper, licorice, nettle, red clover, rosemary, shepherd's purse, and yarrow, along with many others. Modern research has raised concerns about many other herbs, as well.

Is sarsaparilla safe to use?

When taken by mouth: Sarsaparilla is LIKELY SAFE for most people when taken in food amounts. It is POSSIBLY SAFE when used as a medicine. There are claims that sarsaparilla may cause stomach and kidney irritation when used in large amounts.