Reinforcing body having at least one reinforcing bar extending in an axial direction along a longitudinal center axis, the reinforcing bar having a core and a rib structure arranged at a peripheral surface of the core, which has multiple ribs extending around the longitudinal center axis in a ring-shaped manner and being distanced from one another in axial direction, wherein at least one depression extends around the longitudinal center axis in a ring-shaped manner, or which has at least one rib extending helically around the longitudinal center axis and at least one depression extending helically around the longitudinal center axis, wherein in axial direction or parallel or parallel to the longitudinal center axis of the reinforcing bar each rib has a rib width (x) of at least 1 mm and/or has a maximum rib width (x) of 20 mm, wherein the core consists of at least one fiber strand of first fibers embedded in a core matrix, wherein the at least one rib consists of at least one second fiber strand of second fibers embedded in a rib matrix, wherein the second fiber strand is divided into a plurality of fiber strand sections, wherein fiber strand sections of the second fiber strand that are directly adjacent in axial direction are separated from each other by the at least one depression and each fiber strand section is arranged in a rib or a rib portion of the at least one rib, wherein the fiber strand sections of the second fiber strand extend in axial direction at least in straight extending sections of the reinforcing bar, and wherein the second fibers of the at least one second fiber strand are made of a fiber material that is different from the fiber material of the first fibers. having at least one reinforcing bar extending in an axial direction along a longitudinal center axis, the reinforcing bar having a core and a rib structure arranged at a peripheral surface of the core, which has multiple ribs extending around the longitudinal center axis in a ring-shaped manner and being distanced from one another in axial direction, wherein at least one depression extends around the longitudinal center axis in a ring-shaped manner, or which has at least one rib extending helically around the longitudinal center axis and at least one depression extending helically around the longitudinal center axis, wherein in axial direction or parallel or parallel to the longitudinal center axis of the reinforcing bar each rib has a rib width (x) of at least 1 mm and/or has a maximum rib width (x) of 20 mm, wherein the core consists of at least one fiber strand of first fibers embedded in a core matrix, wherein the at least one rib consists of at least one second fiber strand of second fibers embedded in a rib matrix, wherein the second fiber strand is divided into a plurality of fiber strand sections, wherein fiber strand sections of the second fiber strand that are directly adjacent in axial direction are separated from each other by the at least one depression and each fiber strand section is arranged in a rib or a rib portion of the at least one rib, wherein the fiber strand sections of the second fiber strand extend in axial direction at least in straight extending sections of the reinforcing bar, and wherein the second fibers of the at least one second fiber strand are made of a fiber material that is different from the fiber material of the first fibers.