* aluminum hydroxide
* aluminum phosphate
* ammonium sulfate
* amphotericin B
* animal tissues: (pig blood, horse blood, rabbit brain, dog kidney, monkey kidney, chick embryo, chicken egg, duck egg, calf (bovine) serum
* betapropiolactone
* fetal bovine serum
* formaldehyde
* formalin
* gelatin
* glycerol
* human diploid cells (originating from human aborted fetal tissue.
* hydrolyzed gelatin
* MSG (monosodium glutamate)
* Neomycin
* Neomycin sulfate
* Phenol red indidcator /
* Phenoxyethanol (antifreeze) /
* potassium diphosphate and monophosphate
* Polymyxin B
* Polysorbate 20 and 80
* Porcine (pig) pancreatic hydrolysate of casein
* Residual MRC5 proteins
* Sorbitol sucrose
* Thimerosal (mercury)
* tri(n)butylphospate
* VERO cells (a continuous line of monkey kidney cells washed sheep red blood cells)