Effects of oat β-glucan on endurance exercise and its anti-fatigue properties in trained rats

► The anti-fatigue effect of β-glucan was investigated. ► β-Glucan can significantly reduce the weight gain of rats and prolong their maximum running time. ► β-Glucan decreased BUN, LA levels and increased the NEFA and liver glycogen contents. ► β-Glucan decreased CK activity, and increased lactic dehydrogenase activity in serum.