Natural D-Hist®

The Natural D-Hist® formula includes optimal support for nasal and sinus passageways for individuals who anticipate seasonal changes. Supports Immune Balance in Hypersensitive Individuals Supports Sinus and Respiratory Health Promotes Normal Viscosity of Mucus Supports Healthy Nasal Passages Natural D-Hist® is a targeted blend of flavonoids, antioxidants, proteolytic enzymes and botanicals designed to provide comprehensive support for seasonal challenges caused by common environmental allergens. The formula includes quercetin, bromelain, stinging nettles leaf and N-acetyl cysteine. The powerful combination actively promotes healthy nasal and sinus passages for individuals with elevated histamine and respiratory irritation. Product Benefits: Quercetin: Quercetin is a biologically active flavonoid antioxidant that is widely distributed in plants, including oak trees, onions and tea. Quercetin has strong antioxidant activity and has been shown to support immune health by mediatin