The runners had consistently high ranges of the bacterium Veillonella atypica, a microbe that spikes in the wake of exertion and feeds on lactic acid. After some testing on mice, the group found Veillonella boosted endurance. Fitbiomic’s Nella, is at present obtainable via a monthly subscription for $59, however the firm is still looking for regulatory approval for comparable dietary supplements which have long been within the works.