Equine Products Transvite ExcelTransvite Excel probiotic powder contains 3,500 million viable natural saccharomyces cerevisiae organisms per 1g which help supply a healthy balance of micro organisms in the gut during periods of stress. It also contains the prebioticfFructo oligosaccharide which is a food substrate for beneficial bacteria in the hind gut. Saccharomyces cerevisiae (NCYC Sc47) is an approved micro organism for use as a feed additive in equine nutrition in accordance