You asked for it and here it is a much stronger sweetener just Add a drop of Super Sweetener.

 
Please Note: This flavour is prone to crystallization if you have particles in your concentrate please steep in warm water and shake, do not microwave. 
 
Ingredients: Natural & Artificial Flavors, Water, Sucralose, Citric Acid, Sodium Benzoate, Potassium Sorbate