New better than ever. More Strains and More CFU"s. Now with double the probiotics. Total-Biotics utilizes Now!14 of the most productive live and stabilized probiotics available. Now an average serving has 2 Billion CFU"s. The only probiotics used are researched and developed by Dr. Khem Shahani. Acidophilus DDS-1 strain- researched and developed by Dr. Khem Shahani for over 77 years, this Acidophilus is the most effective probiotic strain. It’s called the "sticker strain," Acidophilus because it has the ability to actually cling to the intestinal wall without harming it. Total-Biotics also use the only patented stabilized glutamine in the world the MGG chelate. This addition of the chelated glutamine to Total-Biotics greatly improves the stability and colonization characteristics of beneficial bacteria in the pet"s intestinal tract and is an essential nutrient that is required by the intestinal cells. It can actually help repair a damaged intestinal tract. That is why Total-Biotics formula is far superior to the others. Exclusive to NWC Naturals Pet Products they have the only Live Enzyme Activated Delivery System Without this L.E.A.D.S. system the probiotics will not delivery quickly and will not be as efficient. °Average serving is two scoops for two cups of food for an average pet.