St John's Wort, a commonplace natural supplement, can limit the effectiveness of a lot of prescription medicines

https://astro-wiki.win/index.php/Adverse_Effects_Alert:_Common_Food_and_Drug_Combinations_to_Avoid_31442

St John's Wort, a frequent natural supplement, can cut back the effectiveness of varied prescription medicinal drugs, such as antidepressants and birth manipulate pills