In the last 3 years, I was unable to finished a few Ironman because of my Muscles Cramping. SPARK was able to support me, understand me and we've tested different approaches and solutions. Now I manage my Ironman race with SPARK and they're protocoles without muscle cramps. Thank you SPARK !!!Micheal B
Finally i've found the right solution for me ... SPARK !!! No gastric issue, and it taste good !!!Jenny F.