D-Hist Jr. is a great-tasting, chewable tablet that includes a targeted blend of flavonoids, antioxidants, proteolytic enzymes and botanicals designed to provide comprehensive support for children with seasonal challenges caused by common environmental allergens. D-Hist Jr. includes quercetin, a powerful flavonoid to support healthy histamine levels. It supplies bromelain to enhance the absorption of quercetin and to support mucosal tissue health and stinging nettles leaf to balance hyper-immune response. N-acetyl cysteine clears the airways by promoting normal viscosity of mucus. This unique nutritional combination safely promotes healthy nasal and sinus passages for children with elevated histamine and respiratory irritation. Ingredients Vitamin C (as Ascorbic Acid USP)75 mgQuercetin100 mg*Stinging Nettles Leaf100 mg*Bromelain (2,400 GDU/g) (from Pineapple)25 mg*N-Acetyl-L-Cysteine USP12 mg*Stevia Leaf Extract3 mg* Other Ingrediants: Natural cane sugar, xylitol, lemon-lime flavoring, vanilla flavoring, magnesium stearate, cabosil, and stearic acid. This product may contain croscarmellose sodium.Contains No: Gluten, yeast, artificial colors and flavors. Usage 1 tablet as needed or as recommended by your health care professional Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Size 60 chewable tablets