Additives are chemical substances that are added to food during preparation or storage and either becomes a part of the food or affects its characteristics for the purpose of achieving a particular technical or nutritional effect.
Commonly tested additives at Vitac Pharmaceutical Canada are :
| Sugars | Ergogenic agents |
| Sorbitol | Betaine |
| Glycerol | L-Carnitine |
| Glucose | Creatine monohydrate |
| Maltodextrin | Choline |
| Ribose | Citrulline |
| D-Mannose | Lycopene |