PLT Health Solutions has introduced Promunel Ultra Performance Propolis to its immune health ingredient portfolio. The ingredient, produced from honeybees, is standardized to six antimicrobial bioactive polyphenols. Propolis is a resinous substance that honeybees produce by mixing saliva, beeswax, and exudate gathered from trees and other botanical sources that has been shown to provide anti-fungal and antibacterial properties, the company says. 

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