Capsule na ƙwayar gwanda da aka sha na tsawon kwanaki 40 ya haifar da ƙaruwa mai ban mamaki na 14.8% a VO₂max. Sai dai binciken ba shi da rukuni na placebo, ba a yi bazuwar raba mahalarta ba, kuma ba a ɓoye gwajin ba—abubuwan da ke ƙara yawan shakku a kan sakamakon.
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