VegetarianGluten Free A dietary supplement to support respiratory, nasal and skin health. We pledge total truth in labeling. Our family of products contains only the purest and most potent ingredients. Guaranteed. Aller-DMG™ Chewable contains our DMG (N,N-Dimethylglycine) to support the Immune & Respiratory Systems, Quercetin & Perilla to support a healthy histamine response with Vitamin C as an antioxidant. No other formula on the market contains all of these well-researched nutrients in one great tasting formula.