Fiber. The typical American consumes barely 50% of the recommended daily allotment of fiber. Dietary fiber is broken into two groups: soluble (dissolves in water) and insoluble (remains solid in water).
Nyuzi. Marekani typical hutumia vigumu 50% ya ilipendekeza mgawo huo kila siku ya nyuzi. nyuzi malazi ni kuvunjwa katika makundi mawili: mumunyifu (dissolves katika maji) na hakuna (bado imara katika maji).