It's a nonsense mixture of electrolytes. We mostly sweat out sodium, not potassium. Prime has a lower level of sodium and a higher level of potassium. It just doesn't make sense.
And, y'know, it's just fully a scam. It's mostly successful because he's famous. The business seems to be failing in a big way.
Possible translation: "Let the wealthiest among us consolidate even more wealth while we wreck shit for the rest of you. We'd like to have complete control over you rubes while shit gets worse."
ETA: This is exactly the same rhetoric that oil and gas companies (and the politicians who've effectively been bought out by them) have used to justify further expansion well after knowing the danger that this poses.