Benefits Enhanced immunity (beta-glucans) :Beta-glucans extracted from Saccharomyces cerevisiae yeasts and combined with fructooligosaccharides support a strong immune system. Brain development :Fish oil rich in Omega 3, particularly DHA, helps correct brain development in puppies (during gestation and growth). Digestive safety and comfort :The combination of probiotics (Enterococcus faecium) and prebiotics (FOS and MOS) promotes the development of good intestinal flora. Highly digestible ingredients, vegetable carbon and clay help to ensure transit until your puppy's digestive system becomes fully developed.