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† Serratia peptidase
in the form of cholecalciferol
and cell membrane integrity
that may reduce the enzymatic digestion of dietary starches
Safe alternative to L-tryptophan
Natural D-Hist Packs SFI Health † Serratia peptidaseCLINICAL APPLICATIONS Supports Immune Balance in Hypersensitive Individuals Supports Sinus and Respiratory Health Promotes Normal Viscosity of Mucus Clears Nasal Passages OVERVIEW 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,
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