Glad I gave this a shot
I have been doing triathlons for the past couple years and I'm getting ready for my first full distance ironman race. I have been using Cytomax for electrolytes in the past and felt like it was always ok. I purchased SIS because Cytomax was going to take too long to ship and wouldn't arrive in time for a century ride I was doing. The SIS powder has a richer taste which I liked and I did feel less fatigue throughout the 100 mile ride. I will definitely use this on my ironman race and wold recommend it to other endurance athletes.
Rating: 5 stars