nettles are a mineral dense plant that has helped many with allergy problems. now is the time of year you can harvest your own nettles in wild areas very easily, just be sure to wear gloves! the nettles sting! but once they are cooked, steamed, juiced, or frozen, the prickers are no longer a problem. if you buy a nettles supplement be sure its FREEZE DRIED thats the best way to make sure it reatins its allergy fighitng properties.