
Marc Bubbs
Dr. Marc Bubbs is a performance & clinical nutritionist, author of the best-selling book PEAK, host of The Performance Nutrition Podcast, and Chief Nutrition Officer at ProBio Nutrition.
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Jul 10, 2026
What Elite Athletes Actually Eat — A Live Panel with Charlie Sweeney, Dr. Marc Bubbs, and Jason Fitzgerald
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6:59Jonathan LevittHOST
Mark, what about just volume of food? Do you feel that most runners are not taking in enough? And how does the ProBio product contribute to, at least on the micronutrient side, any sort of gaps that might exist, but specifically the volume and everything in general, and then also on the micro side?

Marc BubbsGUEST
I mean, if we look at different macros, like in terms of protein, if you go online, it looks like things have changed dramatically in the last few years.

Marc BubbsGUEST
Over the last 10 years, absolutely nothing's changed with protein recommendations.

Marc BubbsGUEST
dramatically in the last couple of years, really, right? Like 1.2 grams per kilo as a baseline, 1.6 grams per kilo as, you know, if you're pushing yourself, going all the way up to like a gram per pound is quite a lot of protein for most people.

Marc BubbsGUEST
So protein, you can actually, with my athletes, we kind of set it and forget it, like get it to where it needs to be, automate that, and then you don't need to think about it anymore, right? It's like the apps on your phone, they're just running in the background.
12 MINS LATER