This thread is quite funny. There is no evidence that any electrolyte replacement is necessary in high heat, hard work enviornments. The US Army abondoned salt tablets due to complications from use and now advocates water alone. In america we have more than enough salt in the average diet to replace sweat losses. The human body is a marvel of efficiency and economy, it holds on to what it needs and excretes what it does not. I have toured extensively over 40 years and drink water and eat raisins for energy. If you like the other crap use it. Seems pretty easy to me.