Assertion: glucosamine's chondroitin | /r/HasProperty | derived
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Chondroitin is made from cow or pig cartilage and is also derived from the shells of crabs, oysters, and shrimp, or synthesized from plant sources in laboratories.
text: Supplemental chondroitin is derived primarily from the cartilage tracheal rings of cattle.
text: However, chondroitin is often derived from animal sources, such as bovine cartilage, which has raised questions about the possibility of contamination from animal diseases (e.g., bovine spongiform encephalopathy).