Description of the four tablets included in the study: formulation type, aspirin content and excipients
| Dispersible Aspirin (Aspar) | Bayer Chewable (Bayer) | Disprin (Reckitt Benckiser) | Aspirin (Bayer) | |
| Formulation type | Dispersible tablet. | Chewable tablet. | Dispersible tablet. | Conventional tablet. |
| Aspirin form | Acetylsalicylic acid. | Acetylsalicylic acid. | Acetylsalicylic acid. | Acetylsalicylic acid. |
| Aspirin content | 75 mg | 81 mg | 300 mg | 500 mg |
| Excipients | Calcium carbonate. Starch. Citric acid. Sodium saccharine. Sodium lauryl sulfate. Talc. | Colloidal silica. Corn starch. Microcrystalline cellulose. Dextrose. Sodium saccharine. Flavour. Colourants: D&C Red No 27 Aluminum Lake, FD&C (Food, drugs and cosmetics) Red No 40 Aluminum Lake. | Calcium carbonate. Corn starch. Citric acid. Saccharine. Sodium lauryl sulfate. Talc. Polyvinylpolypyrrolidone. Lime flavour. | Cellulose. Corn starch. |