Hanyoyi daban-daban na damuwa suna tasiri sosai ga ciyarwa da haɓakar dabbobin ruwa, rage yawan rayuwa, har ma suna haifar da mutuwa. Ƙarin betain a cikin abinci zai iya taimakawa wajen inganta raguwar abincin dabbobin ruwa a ƙarƙashin cuta ko damuwa, kula da abinci mai gina jiki da rage wasu yanayin cututtuka ko halayen damuwa.

Betaine na iya taimakawa salmon don tsayayya da damuwa mai sanyi ƙasa da 10 ℃, kuma shine ingantaccen abinci ƙari ga wasu kifi a cikin hunturu. An sanya tsire-tsire na ciyawar ciyawar da aka yi jigilar su zuwa nesa mai nisa cikin tafkunan A da B tare da yanayi iri ɗaya bi da bi. An ƙara 0.3% betaine a cikin abincin ciyawar ciyawa a cikin tafki a, kuma ba a ƙara betaine a cikin abincin ciyawar ciyawa a cikin tafki B. Sakamakon ya nuna cewa ciyawar ciyawa a cikin tafki a cikin ruwa suna aiki a cikin ruwa, suna ci da sauri, kuma ba su mutu ba; Soya da ke cikin kandami B ya ci sannu a hankali kuma mace-macen ya kasance 4.5%, yana nuna cewa betaine yana da tasirin maganin damuwa.

Betaine abu ne mai buffer don damuwa osmotic. Ana iya amfani da shi azaman wakili na kariya na osmotic don sel. Yana iya inganta haƙuri da kwayoyin halitta zuwa fari, high zafi, high gishiri da hypertonic yanayi, hana cell ruwa asarar da gishiri shigarwa, inganta aikin Na-K famfo na cell membrane, tabbatar da enzyme aiki da kuma nazarin halittu macromolecular aiki, don tsara nama da cell osmotic matsa lamba da ion balance, Kula da abinci mai gina jiki sha magana, inganta haƙuri da kaifi canje-canje da osmotic kudi da kuma shm.

Matsakaicin gishirin inorganic a cikin ruwan teku yana da yawa sosai, wanda ba shi da amfani ga girma da rayuwar kifaye. Gwajin carp ya nuna cewa ƙara 1.5% betaine/amino acid a cikin koto na iya rage ruwan da ke cikin tsokar kifin ruwa mai daɗi da kuma jinkirta tsufar kifin ruwa. Lokacin da yawan gishirin inorganic a cikin ruwa ya karu (kamar ruwan teku), yana da amfani don kula da ma'aunin wutar lantarki da osmotic matsa lamba na kifin ruwan ruwa da kuma yin sauye-sauye daga kifin ruwan teku zuwa yanayin ruwan teku a hankali. Betaine yana taimakawa kwayoyin halittun ruwa su kula da karancin gishiri a jikinsu, suna ci gaba da cika ruwa, suna taka rawa wajen daidaita tsarin osmotic, da baiwa kifin ruwa damar daidaitawa zuwa yanayin ruwan teku.