Can a saliva test make UFC athletes better fighters? This Canadian startup is betting on it Canadian startup Kintra is using AI-powered saliva tests to analyze biomarkers and help UFC athletes optimize their performance ahead of a White House fight. Ahead of White House fight, Kintra is using AI-powered biomarkers to help fighters eke out an edge. The post Can a saliva test make UFC athletes better fighters? This Canadian startup is betting on it first appeared on BetaKit.