PureDefense Chewables (currently on back order) Antioxidant Berberine sulfate is an alkaloid

Berberine sulfate is an alkaloid sulfate extracted from the roots and barks of many plants and possesses microbial-balancing properties

PureDefense chewables provide overall immune defense and upper respiratory health support in a great-tasting chewable tablet

(no-flush niacin)

Citronella Grass

PureDefense Chewables (currently on back order) Antioxidant Berberine sulfate is an alkaloidImproved *Great tasting, chewable daily immune support PureDefense chewables are a comprehensive blend of nutrients and herbal extracts designed to support immune function in a convenient, great tasting, chewable tablet. EpiCorsaccharomyces cerevisiae fermentate contains numerous immune enhancing bioactive metabolites designed to support both innate and adaptive immune response. Research suggests that it enhances natural killer cell activation, B cell