I suspect that the way the body processes food is modified significantly by exercise. So, it's not the food you are eating, but rather it's the food you are eat

I suspect that the way the body processes food is modified significantly by exercise. So, it's not the food you are eating, but rather it's the food you are eating combined with how active or sedentary your lifestyle is. I think that exercise has a marked effect on the gut's microbiome.