Yes! The manufacturer claims that this product is Soy free.

Is Kirks Lemonade Zero Sugar Soft Drink Multipack Cans 375ml | 10 Pack Soy Free?

Yes! The manufacturer claims that this product is Soy free.
Soy Free? Kirks Lemonade Zero Sugar Soft Drink Multipack Cans 375ml | 10 Pack | Spoonful