Pepsi Perfect was a vitamin-enriched variety of Pepsi cola that was sold at the Cafe 80's in 2015. It was sold in bottles that had a lid that converted into a straw. However, when Marty McFly had first seen the soft drinks container, he was perplexed how exactly to open it.
Behind the scenes
Ironically, while Pepsi has not produced a vitamin-enriched variety of their soda yet their rival Coca Cola has. It is known as Diet Coca Cola Plus.