El Lactobacillus caseiko L CaseyKwayar halitta ce da ke rayuwa a cikin baki, farji da hanji, ba ta shafar jiki, sai dai ta amfane shi.
Kwayar cuta ce dake samar da lactic acid, ana amfani dashi a masana'antar kiwo a sarrafa abinci maganin kiwo (watau ana amfani dashi don taimakawa wajen yaduwar wasu kwayoyin cutarwa).
Tunda yana da kyau don narkewa, yana rage rashin haƙuri na lactose, yana taimakawa hanji yayi aiki da kyau kuma yana hana gudawa mai yaduwa, masana'antun abinci, musamman kiwo, sun ga fa'ida mai amfani a ciki kuma sun haɗa shi cikin abincinsu na aiki.
An tabbatar da cewa L Casey Yana da fa'idodi masu fa'ida akan tsarin garkuwar jiki, amma babu wadatattun shaidu da zasu tabbatar da ingancin ta wajen kariya daga wasu cututtuka kamar mura ko mura
Wasu kayayyakin kiwo wadanda suka ƙunshi L Casei sune yakult y Dokar