High-Dose St. John's Wort Flower Head Extract Supplements
1 products above 300 mg
1 supplements contain high-dose St. John's Wort Flower Head Extract (above 300 mg). The highest dosage product is St. John's Wort 900 mcg at 300 mg.
Low Dose (1)High Dose (1)
High-Dose Products (sorted by dosage)
| Product | Brand | Dosage | % DV |
|---|---|---|---|
| St. John's Wort 900 mcg | Healths Harmony | 300 mg | — |
Frequently Asked Questions
What is considered high-dose St. John's Wort Flower Head Extract?
Based on 2 products in the NIH DSLD database, high-dose St. John's Wort Flower Head Extract supplements contain 300+ mg.
Is high-dose St. John's Wort Flower Head 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 Head Extract.