Cov tshuaj ntsiav nyuaj yog cov ntaub ntawv ntau npaum li cas ua los ntawm kev ntim cov tshuaj tsis muaj tshuaj los yog hmoov, granules, ntsiav tshuaj, tshuaj, semi-khoom, lossis cov kua dej npaj nrog cov khoom tsim nyog. Lub plhaub khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Raws li Suav Pharmacopoeia, cov tshuaj ntsiav nyuaj yuav tsum tawg tag nrho hauv 30 feeb.
Cov tshuaj ntsiav ntxov tshaj plaws tau tshwm sim hauv xyoo 1834, npaj siv gelatin los ntawm Fabkis tus kws muag tshuaj F. Mothes. Nyob rau hauv xyoo tas los no, gelatin lwm yam xws li hydroxypropyl methylcellulose (HPMC), polyvinyl cawv (PVA), thiab hmoov txhuv nplej siab tau tshwm sim hauv khw. Cov tshuaj ntsiav tshuaj ntsiav tshuaj tuaj yeem siv los npog cov tshuaj tsw qab tsis zoo, zam kev khaus, thiab tswj cov nqi tso tawm. Ntxiv nrog rau kev tswj hwm qhov ncauj, lawv tuaj yeem siv los thauj cov hmoov qhuav qhuav thiab ua tus nqa khoom rau kev tswj hwm qhov chaw mos. Ntxiv nrog rau cov tshuaj ntsiav zoo tib yam, enteric- cov tshuaj ntsiav tshuaj uas ua rau lub plab zom mov tuaj yeem ua los ntawm kev kho cov khoom siv tshuaj ntsiav. Lawv qhov ua tau zoo yuav tsum ua tau raws li cov qauv xws li lub sijhawm tawg thiab sau ntim sib txawv. Raws li cov ntaub ntawv ntim uas tuaj rau hauv kev sib cuag ncaj qha nrog cov khoom siv tshuaj, cov tshuaj khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob. Lawv yuav tsum tau noj nrog dej sov kom ntau thiab feem ntau yuav tsum tsis txhob tawg. Lawv yuav tsum tau muab khaws cia rau hauv qhov chaw txias, qhuav hauv lub thawv kaw ntom ntom, nrog qhov pom zoo kom kub qis dua 25℃thiab cov av noo tsis tshaj 45%. Cov qauv tsim qauv hauv tebchaws rau "Kev txiav txim siab ntawm Chondroitin Sulfate hauv Cov Khoom Noj Noj Qab Haus Huv" yog qhib rau pej xeem tawm tswv yim; tus qauv no siv rau ntau hom tshuaj, suav nrog cov tshuaj ntsiav nyuaj.