Gus Soda - Ruby Grapefruit has 90 calories and 22 grams of sugar in a 12 oz serving.
Learn more at https://drinkgus.com/gus-flavors/star-ruby-grapefruit/
Irn Bru has 65 calories and 16 grams of sugar in a 11.15 oz serving.
Learn more at https://www.agbarr.co.uk/our-brands/irn-bru/