What is diet Pepsi made out of?

New Zealand -

• Carbonated Purified water
• Flavour
• Colour (Caramel 150d)
• Food Acids( 338, 330)
• Sweeteners (951, 950)
• Preservative (211)
• Caffeine

United States -

• Carbonated water
• Caramel color
• Aspartame
• Phosphoric acid
• Potassium benzoate (to protect taste)
• Natural flavors
• Citric acid
• Caffeine