NutritionFacts.org on Instagram: "People may not understand the complexity of dietary fibre, thinking that it’s a single nutrient, but there are literally thousands of types of fiber in plant foods, and each one may support different communities of bacteria in our gut. That’s the reasoning behind recommendations that people take a “50-food challenge,” eating at least fifty different plant foods a week to achieve a diet diverse-enough to feed a vast spectrum of bacteria. This is a clip from my vi