Forms Comparison
| Form | Bioavailability | Best For |
|---|---|---|
| Capsules (shelf-stable) | Moderate-High | Convenience — freeze-dried with protective coatings for shelf stability |
| Sachets/Powder | Moderate | Pediatric dosing or mixing into food/drinks |
| Fermented Dairy | Variable | Dietary approach — bifidus yogurts provide live cultures in food matrix |