Vetri-science Fast Balance G.i. 60cc Calibrated Tube (Set of 2) A fast-acting, easy-to-administer paste that provides immediate G.I. support for cats, dogs and horses Fast Balance G.I. contains a specialized yeast extract that is rich in mannan oligosaccharides (MOS) Fast Balance G.I. contains probiotics including beneficial microbes like: Bacillus subtilis, mixed lactic acid bacteria, and Enterococcus faecium Helps maintain balanced microflora levels in the gut