Greenpet Vitamin C Powder is available in two varieties:
 
Pure sodium ascorbate powder which is virtually tasteless, so it can easily be added to food.

Vitamin C, also known as L-ascorbic acid, is a water-soluble vitamin that is naturally present in some foods, added to others, and available as a dietary supplement. Humans, unlike most animals, are unable to synthesize vitamin C endogenously, so it is an essential dietary component.