The Seed Synbiotic DS-01 product contains 60 capsules which is enough for a 30 day supply. It has 24 different probiotic strains and 53.6 Billion AFU which stands for Active Fluorescent Units. Researchers obtain this measurement by using a flow cytometer instrument to label viable cells with fluorescent markers. You may notice that other brands generally use the unit CFU instead, but this is a less precise way of measuring viable probiotic cells, making Seed’s claims more reliable