Beta‑alanine ɗaya ne daga cikin ƙarin abinci da ‘yan wasa ke amfani da su sosai, kuma yana ɗauke da ce‑ce‑ce mai yawa. Manufar sa ita ce ƙara carnosine a cikin tsoka, wanda ke ɗaukar acid (ioni na hydrogen) da ke taruwa yayin motsa jiki mai ƙarfi, ta yadda za a rage gajiya.
Binciken meta da aka wallafa a 2012 a mujallar Amino Acids daga ƙungiyar masu bincike a Jami'ar Nottingham Trent ya yi ƙoƙarin tantance ko wannan ikirari gaskiya ne. Amsar ba ta kasance “eh” ko “a’a” kai tsaye ba – beta‑alanine na aiki ne a wasu yanayi, kuma girman ribar ya ƙanƙanta.
Menene Masana suka Gano?
Ƙungiyar ta bincika dukkan wallafe‑wallafen da suka yi nazari kan beta‑alanine, ta yi amfani da ƙa’idojin da suka tabbatar da inganci. An zaɓi takardu goma‑shidan (18) da suka cika waɗannan ƙa’idojin. Jimillar gwaje‑gwaje 23 da aka haɗa su ne 57, tare da mahalarta 360: 174 sun sha beta‑alanine, 186 kuma sun karɓi placebo.
Saboda bambance‑bambancen hanyoyin bincike, marubutan sun bayyana wannan aikin a matsayin meta‑analysis na farko a fannin. Wannan yana nufin cewa sakamakon ya fi nuna yanayin gaba ɗaya, ba wani dan wasa ɗaya ba.
Sakamakon Babban Labari
Beta‑alanine ya inganta sakamakon motsa jiki idan aka kwatanta da placebo (P = 0.002). Matsakaicin girman tasiri (effect size) shi ne 0.374 (CI = 0.140 – 0.747) yayin da placebo ya ba da 0.108 (CI = ‑0.019 – 0.487). A aikace‑aikace, matsakaicin ƙaruwa ya kai 2.85 % a cikin gwaje‑gwajen, duk da cewa keɓaɓɓen bambanci ya wanzu daga –0.37 % zuwa 10.49 %.
Matsakaicin adadin beta‑alanine da aka ɗauka a cikin nazarce‑nazarcen ya kai 3.2 – 6.4 g a rana, na tsawon akalla makonni huɗu, wanda ke nufin gram 179 a kowanne mahalarta idan aka yi ƙididdiga.
Iyawa vs. Ayyuka
Binciken ya raba iyawa (kamar juriya ko jimillar ƙarfi) da ayyuka (kamar gwajin lokaci ko tazara). Iyawa ta samu cigaba sosai tare da beta‑alanine (P = 0.013), yayin da ayyuka ba su nuna gagarumin bambanci ba (P = 0.204). Wannan na nuna cewa fa'idar na iya fitowa ne a tsare‑tsaren da ke buƙatar aiki mai tsawo, ba a lokacin sprint mai sauri ba.
Lokutan Da Suka Fi Amfani
- Kasa da sakan 60: babu wani tasiri (P = 0.312). A wannan tsawon lokaci tsokar phosphocreatine da glycolysis ne suka fi aiki, don haka rage acidity ba shi da tasiri.
- Sakan 60 – 240: an samu ingantaccen ci gaba (P = 0.001). A wannan zangon, ƙarin carnosine yana taimakawa wajen tsayar da saukar pH.
- Sama da sakan 240: ƙaruwa ƙanana amma har yanzu mai muhimmanci (P = 0.046). Wasannin da ke ɗauke da lokaci mai tsawo suna dogara da tsarin aerobic, amma har yanzu ana fuskantar ƙirƙirar acid a ƙarshe.
Misalan wasanni a cikin wannan zangon sakan 1‑4 sun haɗa da: gudun 400‑1500 m, ninkasawa 100‑200 m, tseren rowing, tseren track cycling pursuits, da high‑intensity interval training a ƙungiyoyi da wasannin fadan.
Yadda Ake Dauka: Kadarar, Tsawon Lokaci da Cizon Fata
Meta‑analysis ya nuna cewa 3.2 – 6.4 g a rana, a akalla makonni huɗu, shine mafi tasiri. Beta‑alanine ba kamar caffeine ba ne; yana buƙatar lokaci don carnosine ya ƙaru a tsoka. Barin shan bayan mako ɗaya na iya ɓata ƙoƙarin.
Mafi yawancin illa da ake samu ita ce paraesthesia – jin cizo ko ƙara a fata, galibi a fuska, wuya da hannu. Yawanci wannan yana faruwa idan an sha babban adadi a lokaci guda. Hanya mafi kyau ita ce raba kima zuwa 0.8 – 1.6 g sau da dama a rana, ko amfani da samfurin da ke sakin a hankali (sustained‑release). Wannan yana rage jin cizo ba tare da rage tasirin ƙara carnosine ba.
Waɗanne ‘Yan Wasan Ke Fi Amfana?
Shaidar na nuna cewa ‘yan wasa da ke ƙoƙarin aiki a cikin minti 1‑4 ko waɗanda ke maimaita ƙoƙari masu ƙarfi da hutu kaɗan za su fi amfana. Misali: masu gudu na tsaka‑tsaki, masu ninkasawa, masu rowing, masu track cycling, da ‘yan wasa masu tsauraran zagaye.
‘Yan wasa masu ɗaga nauyi (power athletes) ko ‘yan wasa da ‘one‑rep‑max’ ke nufi, waɗanda ƙoƙarinsu ke ɗaukar ‘yan dakikoki kaɗan, ba su da alamar samun fa'ida daga beta‑alanine. ‘Yan wasa masu dogon horo (endurance) na iya samun ɗan riba ƙanana, musamman a lokutan da ake buƙatar ƙarfi‑mai‑tsanani.
Iyakoki da Ƙuntatawa
Marubutan sun jaddada cewa wannan bincike na meta‑analysis ne na farko. Saboda bambancin tsare‑tsaren, samfura, da al’ummomi, ƙimar da aka samu tana da ɗan bambanci. Matakin carnosine na asali, yanayin horo, da abincin mutum na iya shafar sakamako.
Beta‑alanine ba ta maye gurbin horo ba, kuma tasirinta ƙanana idan aka kwatanta da ingantaccen shirin horo. Amma ga ‘yan wasa a wasanni da suka dace waɗanda za su iya ɗaukar ƙarin daga wata ɗaya zuwa fiye, beta‑alanine zai ci gaba da kasancewa ɗaya daga cikin ƙarin da ke da hujja daga meta‑analysis.
