A rich complex of natural B vitamins containing high levels of beta-glucans (80%) and mannan-oligosaccharides (MOS), created on the basis of pure brewing yeast Saccharomyces cerevisiae. Beta glucan is highly important ingredient in the horses diet during convalescence (after diseases and injuries) and weakness of organism. It significantly increases the nutritional value and its palatability. As a result of prebiotic effect it influences the digestion optimization .