Single-Herb Tinctures › St. John's Wort Image 1 of 1 St. John's Wort from $12.99 St. John’s Wort (Hypericum perforatum) has been used for depression, but also helps with nerve pain such as sciatica. Size: Select Size 1 ounce 2 ounces Quantity: Add To Cart Added! St. John’s Wort (Hypericum perforatum) has been used for depression, but also helps with nerve pain such as sciatica. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More