Vitanica St. John's Wort 90 capsDescription One of the most researched herbs in support of a positive mood, Vitanica's St. John's Wort capsules contain both the studied, standardized extract as well as the whole flower tops.* Featured Ingredients: St. John's Wort boasts positive research support in dozens of placebo controlled trials, studying its support towards a positive mood.* The most common researched dose is what Vitanica honors in each one of their capsules: 300 mg of SJW