Organic Psyllium Whole Husks, 12 oz (340 g), Yerba PrimaYerba Prima Organic Psyllium Whole Husks Organic Fiber Supplement. Gentle, Soothing Fiber. For Regularity and Heart Health. Promotes Regularity. Gluten Free, Non GMO, USDA Organic. Increasingly, people are choosing to buy organic foods and supplements. Organic farmers build the soil for long term sustainability. Organic farmers work in sync with the environment. Organic farming helps keep the soil and water healthy. Yerba Prima is the dietary fiber