Endurance sports performance is greatly affected by the microbiome. This is due to our ability to produce energy at a cellular level which is enhanced when your microbiome is functioning well. Also, a lot of hard endurance training effort can deplete your microbiome and they will need to love it up with some probiotic foods.
Our Partner Kultured Wellness does amazing things for gut health. Their keffir is ideal as it provides electrolyte supplementation without the sugar load.
Check out www.kulturedwellness.com