I use these for events where the is supplied via my camel pack. Putting sugary electrolyte mixes in the camel pack is a quick way to ruin a bladder. I can carry several of these in my kit and take in timed intervals to supplement my electrolytes. Worked like a champ for the Dirty Kanza!
Had serious problems with cramping during gravel races. Thought Id give these a try typically 2 tabs prior to start, then 1-2 tabs Q 1-4 hours depending temperature and exertion. Now Im standing on the podium. Not really, but at least Im not cramping.