- It is not for nothing that fireweed or narrow-leaved fireweed has been called a man's herb since ancient times, because in terms of the preventive and therapeutic ability of prostatitis and prostate adenoma, it has no rivals. The collection has a beneficial effect on the male body as a whole and has a powerful anti-inflammatory effect. Recommended as an addition to the complex therapy of prostatitis and prostate adenoma. Ingredients: Fireweed, horsetail, goldenrod, hop cones, dried grass. Directions for use: pour 1-2 teaspoons of the mixture into 200 ml. boiling water and leave for 5-10 minutes.. This product is not a medicine.