Sparkling bitter citrus flavored drink GAJA TONIC, 1.5 l or Carbonated drink COCA COLA ZERO, 500 ml?

Energy — 1 kcal
Fat — 0 g
of which saturates — 0 g
Carbohydrate — 0 g
of which sugars — 0 g
Protein — 0 g
Salt — 1 g

Figures from the product labels. Green is the better value.

Sparkling bitter citrus flavored drink GAJA TONIC, 1.5 l
Sparkling bitter citrus flavored drink GAJA TONIC, 1.5 l
1,5 l
Carbonated drink COCA COLA ZERO, 500 ml
A
Carbonated drink COCA COLA ZERO, 500 ml
1 kcal
Sat. fat 0 g Sugars 0 g
500 ml