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Physical

What fiber does

A short read

What fiber is

Fiber is a part of plant food. Your body cannot fully break it down. Most food gets digested for energy. Fiber does not. It passes through your gut mostly whole.

digest
To break food down in your body so you can use it for energy.

Sources

  • Harvard T.H. Chan School of Public Health, The Nutrition Source: Fiber
  • Harvard Health Publishing: Soluble vs. insoluble fiber
  • Mayo Clinic: Dietary fiber: Essential for a healthy diet
  • Mayo Clinic: Fiber supplements
  • USDA Agricultural Research Service: Fiber intake of the U.S. population
  • USDA Economic Research Service: Dietary fiber per 1,000 calories
  • Canadian Digestive Health Foundation: Recommended Daily Fibre Intake