So, the gut biota of Boston marathon runners is different than sedentary folks and different after the marathon vs before.
https://www.nytimes.com/2019/06/26/well/move/could-a-gut-bacteria-supplement-make-us-run-faster.html
Transplanting the enriched components of the post-marathon gut biota into mice allowed them to improve their endurance performance. Another way to 'dope' - through the poop transplant from successful endurance athletes.
https://www.nytimes.com/2019/06/26/well/move/could-a-gut-bacteria-supplement-make-us-run-faster.html
Transplanting the enriched components of the post-marathon gut biota into mice allowed them to improve their endurance performance. Another way to 'dope' - through the poop transplant from successful endurance athletes.