| Probiotic Strain | CFU Per Theralac Capsule |
| Lactobacillus paracasei strain F-19 |
5 billion |
| Bifidobacterium lactis strain BL-34 |
10 billion |
| Lactobacillus rhamnosus LR-44 |
2 billion |
| Bifidobacterium lactis strain Bi-07 |
3 billion |
Lactobacillus acidophilus strain LA-1
Note: Some references refer to this strain as LA-5. Bifidobacterium TB-12 is also included in some of the references cited for LA-1. |
10 billion |