The Original:

1 tube of 10 effervescent tablets.
Contains electrolytes, minerals and vitamins.
Flavoured with Natural Lemon-Lime and a hint of Ginger.
Dissolve 1 tablet in 12 cl (120 ml)) water

The Energizer:

1 tube of 10 effervescent tablets.
Contains electrolytes, minerals and vitamins.
Flavoured with Natural Grapefruit-Lime and a hint of Ginger. 
Each tablet contains 50 mg of caffeine.
Dissolve 1 tablet in 12 cl (120 ml)) water