Not Listed / Othe
"One important fact I did not notice in the description is that St. John&#039;s Wort is known to decrease the effects of hormonal birth control. Women using birth control who are considering St. John&#039;s Wort should either look for alternatives or add other birth control methods like condoms, diaphragms, spermicide, etc. to their routine. And of course, discuss it with your doctor if you are unsure of anything."