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Top NBA Draft prospect Darryn Peterson says doctors believe his recurring cramping issues during his freshman season at Kansas were likely connected to creatine use.

Peterson explained that he had never taken creatine before arriving at college, but testing later showed his natural creatine levels were already high before he began supplementing.

“I’d never taken it before [he got to college],” Peterson said. “But after the season I took two weeks off and they did tests which showed my baseline level was already high. So, they said when I dosed, it must’ve made the levels unsafe.”

The cramping problems significantly impacted Peterson’s season, causing him to miss 11 games while also forcing him out of several others early.

Despite the setbacks, the 6-foot-6 guard remains one of the top prospects in the 2026 NBA Draft class and is currently ranked No. 2 overall on ESPN’s Top 100 list.

Darryn Peterson Says Creatine Usage Led To Cramping Issues https://t.co/gEpbPEWqia