This is way too expensive for a drink.

Gom Syrup 50/50 mix sugar (caster is easiest) or honey (don't hate me France) & boiling water Black tea 2 grams per 8oz water at 70c increase tea a little more if adding ice right away Fruit juice or purée to taste or go Eurobeat and not bother

Put in a reusable container, stop supporting nonsense things you can do yourself