Herbal · Amazon St. John's Wort Brand #13
St. John's Wort
What the lab found
Failed for hypericin content. One of 22 Amazon St. John's Wort products that failed independent testing. Insufficient active compound for therapeutic effect. St. John's Wort interactions include organ transplant rejection, reduced contraceptive effectiveness, and serotonin syndrome with SSRIs.
Failure type · Underdosed
Active ingredient measured significantly below the labeled amount — not therapeutic.
Source
Independent lab testing; multiple published case reports