Allergies & Sensitivities Are there any known allergies related to rice hulls? February 7, 2026 by Riding Rice hulls, a byproduct of rice processing, are generally considered safe, but some individuals may experience allergic reactions. These reactions are rare and typically occur in people with existing allergies to rice or related grains. What Are Rice Hulls? Rice hulls, also known as rice husks, are the protective outer layers of rice grains. They […] Read more »