7 billion* active cells of the following specially cultured strains of probiotics: Total Bacterial Culture 7 billion cfu Lactobacillus helveticus (R0052) (whole cell) 2.9 % 0.2 billion cfu Lactobacillus rhamnosus (R0011) (whole cell) 54.2 % 3.8 billion cfu Bacillus subtilis (R0179) (whole cell) 4.3 % 0.3 billion cfu, Enterococcus faecium (R0026) (whole cell) 38.6 % 2.7 billion cfu. Guaranteed minimum 7 billion active cells per capsule at expiry date. Guaranteed minimum 15 billion active cells per capsule at manufacture date. (cfu: colony forming units)