Sit yap divòse:
Kapsil enterik yo rezistan nan asid lestomak, men yo pa anti-idrosolubl pou ji dijestif melanje nan trip la. Se poutèt sa, kapsil enterik ap fonn nan trip la, pandan y ap kapsil gastric yo pa asid ki reziste, se konsa yo pral fonn nan vant lan.

Kouvèti materyèl:
Gastrik-idrosolubl materyèl kouvwi gen ladan: hydroxypropyl metil seluloz (HPMC), hydroxypropyl seluloz (HPC), Acrylic résine kalite IV, polyvinylpyrrolidone (PVP) ak polyvinyl acetal diethylaminoacetic asid (AEA).
Materyèl yo kouvwi pou kalite antik-kouvwi gen ladan yo: shellac, selatoz acetate ftalat (CAP), kalite résine Acrylic (I, II, III), ak hydroxypropyl methylcellulose ftalat (HPMCP).

