High-Dose St. John's Wort Flower, Leaf Extract Supplements
3 products above 300 mg
3 supplements contain high-dose St. John's Wort Flower, Leaf Extract (above 300 mg). The highest dosage product is St. John's Wort at 300 mg.
Low Dose (4)High Dose (3)
High-Dose Products (sorted by dosage)
| Product | Brand | Dosage | % DV |
|---|---|---|---|
| St. John's Wort | DC | 300 mg | — |
| St. John's Wort Extract | 21st Century | 300 mg | — |
| Brain Mood | Douglas Laboratories | 300 mg | — |
Frequently Asked Questions
What is considered high-dose St. John's Wort Flower, Leaf Extract?
Based on 4 products in the NIH DSLD database, high-dose St. John's Wort Flower, Leaf Extract supplements contain 300+ mg.
Is high-dose St. John's Wort Flower, Leaf Extract safe?
This site presents supplement label data only. Consult a healthcare professional before taking high doses of any supplement, including St. John's Wort Flower, Leaf Extract.