Fig. 2From: Effects of Specific Bioactive Collagen Peptides in Combination with Concurrent Training on Running Performance and Indicators of Endurance Capacity in Men: A Randomized Controlled TrialRunning distance in the 60min time trial before (pre) and after (post) 12 weeks of intervention in TG (n = 15) and CG (n = 17). *Significantly different (p ≤ 0.05) by mixed ANOVA (time × group interaction)Back to article page