Bayan shan Betaine na kwanaki 14 – wani sinadari da ke cikin alayyahu kuma ake sayar da shi a matsayin TMG – maza masu horon nauyi sun samu kusan 16 % karin ƙarfi a bench press. Gwajin ya nuna ƙaruwar ƙarfi a isometric bench press, yayin da ƙarfafa squat da tsalle ba su sami bambanci ba. Binciken ya ƙunshi maza 12 kacal, kuma ya ba da muhimman bayanai ga masu ɗaga kaya game da abin da za su iya tsammani da abin da ba za su gani ba.
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