How gut microbes help shape how many calories you absorb from food

MedicalXpress | ماي 27, 2026

Food labels make calories seem simple. They show the number of calories per serving, which is calculated based on how much fat, carbohydrates and protein the food contains. But inside the body, digestion is far more complicated. Food passes through a living microbial ecosystem that can influence how many of those calories people actually absorb.