I run 5k < 20m and fully vegan so I do not think there is a correlation. You should check what you're missing in your diet because when you remove a pillar you

I run 5k < 20m and fully vegan so I do not think there is a correlation. You should check what you're missing in your diet because when you remove a pillar you need to replace it with something. For me it is legumes, I eat mostly legumes.