DaVinci Laboratories Aller-DMG is designed to support proper respiratory function. It contains 5 ingredients to support normal range histamine levels and 5 potent antioxidants to support a healthy immune system. It is an excellent supplement to aid in relieving runny or stuffy nose; itchy eyes, skin and nose; red, splotchy skin; and discomfort that is associated with respiratory dysfunction or skin irritation. Recommended use: take 1 tablet, 2-3 times daily between meals, or as directed by your healthcare practitioner. DaVinci Laboratories Aller-DMG Facts: 1 Tablet contains: Vitamin C (as Calcium Ascorbate) 250 mg Quercetin 250 mg Bromelain 250 mg N-acetyl Cysteine 200 mg Grape Seed Extract 150 mg Yielding: proanthocyanidins 142.5 mg N, N-Dimethylglycine HCl (DMG) 100 mg Perilla (Perilla frutescens) Seed Extract 75 mg Yielding: Polyphenols 2.5 mg, Rosemarinic Acid 1.13 mg, Luteolin 75 mcg Other Ingredients: microcrystalline cellulose, stearic acid, croscarmellose sodium, vegetable stearate, silicon dioxide, hydroxypropyl methylcellulose, titanium dioxide, polyethylene glycol.