No standardized products available. Increase urinary flow and decreases frequency. No serious side effects or drugs interactions known. Mild GI upset, HA, diarrhea. St. Johns Wort Hypericum perforatum Flower, Leaf Mild to Moderate Depression.
Large dosage can cause photosensitization.
Can increase serotonin levels. No clinical MAOI-inhibition. Don't take with SSRI's or other antidepressants. 300mg PO TID no more than 8 weeks. Long term use not yet studied.