DKI 1,3 β-glucan is sourced from the microalgae Phaeodactylum triornatum. It is an immunostimulant that improves immune status and enhances disease resistance. It has a high content of bioactive molecules such as the omega-3 fatty acid EPA, the carotenoid pigment fucoxanthin, and chrysolaminarin. Additionally, it modulates the gut microbiome and reduces bacteria of the Vibrio genus.