Choc-ola was out of Indianapolis, I drank it as a kid.I saw it at Jungle Jims last year but it is gone now. It was Yoo-hoo like. Chocolate Soldier (check the Dollar general stores) is a close approximation. Canfield's Diet Chocolate Fudge Soda is awesome, and faygo had one, but they reformulated it to Diet Chocolate Cream Pie and it tastes similar, but you can "taste" pie crust-like flavor (you have to try it to understand).

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real Sugar, not HFCS