They use aspertame too, very bad, RC does not. Stay away from that aspertame.
Yes, stay away from that aspartame!
Diet RC:
Ingredients: carbonated water, caramel color, phosphoric acid, potassium citrate, Sucralose (Splenda brand) a non-nutritive sweetener, citric acid, potassium benzoate (a preservative), caffeine, gum acacia, and natural flavor