Gel ɗin Bicarbonate a Tsakiyar Hawan Keke: Ƙaruwa da 12 W Bayan Awanni 3
Me zai faru idan an sha sodium bicarbonate ba kafin tseren ba, a maimakon a tsakiyar dogon hawan? Sabon gwajin ‘crossover’ da aka yi a kan masu keken da suka horar ya nuna gel ɗin bicarbonate da carbohydrate sun kara ƙarfin minti 12 da 12 W bayan awanni uku na hawan, ba tare da samun matsalar ciki ba. Sai dai ba a ga wani tasiri a sprint‑mintin 2 ba, kuma adadin mahalarta ƙanana ne.
Extract ɗin Girbin Kofi: 200 mg Caffeine Ya Ƙara Aikin Keke da Kashi 4.6 %
Miligram 200 na caffeine daga cikakken extract ɗin girbin kofi ya taimaka wa 'yan wasan keke masu horo su ƙara aiki da kashi 4.6 % a gwajin minti 15. Sai dai ba a sami hanzari wajen cika glycogen ba, kuma gwajin da aka yi ba shi da manyan ƙungiyoyi, yana kuma samun kuɗi daga kamfani ba tare da haɗin gwiwar ƙungiyar da caffeine ba.
Ketone IQ Ya Ɗaga Ketones a Cape Epic, Amma Bai Samu Tasiri ba
Masu tuka a Cape Epic na kwanaki takwas suka sha Ketone IQ sau biyu a rana kuma suka kai kusan 1 mM na ketones a jini, amma gajiya, bugun zuciya, lokutan amsa da kuma murmurewa sun kasance kamar na masu shan placebo. Gwajin double‑blind ya gwada R‑1,3‑butanediol a ainihin yanayin tseren maimakon a dakin gwaje‑gwaje. Marubutan sun ce wannan ƙananan ketosis ba ta da tasiri, kuma butanediol ba ya kamata a rikita shi da ketone esters. Da masu tuka 18 kawai, binciken yana da iyaka, amma yana ba da muhimmin bayani ga duk wanda ke tunanin siyan giya mai tsada na ketone don murmurewa.
Sha 100 g na Carbs a Sa’a Yana Kara Saurin Masu Keke—Ba Glycogen ke Jawo Ba
Bayan awanni huɗu na tuki mai tsanani, masu keke da suka sha 100 g carbohydrate a kowace awa sun rage ƙarfin su ƙasa da waɗanda suka sha 60 g. Abin mamaki, adadin glycogen a tsokar su ya kasance kusan daidai. Wannan bincike na bazuwar, double‑blind, crossover da aka yi a kan maza masu horo 15 ya nuna alamar wani abu fiye da adana glycogen. Mun fitar da ƙididdiga, tsarin 1:0.8 na glucose da fructose, da yadda za a yi amfani da shi. Haka kuma mun tattauna dalilin da yasa samfurin ga “ƙananan mazaje” ke da mahimmanci.
Rhodiola Rosea: Maganin Ƙwarewa Ba Tare da Kafein Don Hawan Cardio Mai Wahala?
Wani bincike da aka gudanar a shekarar 2013 ya nuna cewa shan dose ɗaya na 3 mg/kg na Rhodiola rosea awanni guda kafin gwajin tuki na mil 6 ya rage lokacin kammala daga minti 25.8 zuwa 25.4. Zuciya a lokacin dumama ta sauka daga 140 bpm zuwa 136 bpm, kuma “Rating of Perceived Exertion” (RPE) ya sauka daga 6.6 zuwa 6.0. Ribarsa ƙanana—kimanin kashi 1.5%—kuma an samu ne daga mutane 18 kacal, don haka ba mu'ujiza ba ce. Duk da haka, raguwar jin nauyi na sa wannan ganyen ya zama zaɓi mai kyau ga ‘yan wasan dogon lokaci da ba su son kafein. Ga abin da bayanan suka nuna da yadda ake amfani da shi cikin hankali.
Astaxanthin Na Kwana 4 Ya Ƙara Lokacin Tuki Har Zuwa Gajiya Daga Minti 72 Zuwa 85 a Gwajin Ƙananan
Shan astaxanthin 28 mg a rana na tsawon kwanaki 4 ya tsawaita lokacin tuki har zuwa gajiya daga kusan minti 72 zuwa 85 a gwajin bazuwar kan maza goma, kusan kashi 18 % ƙaruwa. Hakanan ya rage alamun lalacewar tsoka (CK, LDH) da oxidative stress (MDA) bayan tuki a 75 % na VO₂max, yayin da alamun kumburi da amfani da makamashi ba su canza ba.