| 1 | Methods By using less excipient. | |
| 2 | Animal products, for example gelatin, are used as an excipient in some vaccines. | |
| 3 | "Supplementary materials" refers to excipients and additives used in the production and making up of drugs. | |
| 4 | Mannitol is usually used as a cryoprotectant and an excipient during pharmaceutical freeze-drying. | |
| 5 | Dissolving the drug and excipients in a suitable solvent, generally water for injection (WFI). |