The invention relates to an excipient for pharmaceutical and veterinary use, which is intended for a medical device or for a food supplement, said excipient comprising a set of chemically unmodified plant dietary fibers. The invention also relates to uses of said excipient and to compositions comprising same.Excipient à usage pharmaceutique, vétérinaire, pour dispositif médical ou pour complément alimentaire, ledit excipient comprenant un ensemble de fibres alimentaires végétales non modifiées chimiquement； utilisations dudit excipient et compositions le comprenant.
