Emergen-C is a powdered vitamin supplement that comes in individual packets, similar to Liquid IV. Each packet contains 1,000 milligrams of vitamin C, and the 120-pack at Costco includes three ...

Liquid IV is my not-so-guilty pleasure. I like having sugar-free Liquid IV after workouts. C.J. Beecher When I can fit it into my grocery budget, Liquid IV is one of my splurge items.