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14 Other studies have found increased BCAAs in the bloodstream can influence the levels of neurotransmitters within the brain, potentially reducing the production of serotonin, which plays a role in fatigue during exercise

J., Fu, X., Hazen, J

Not only artist Fan Bingbing angrily bought 200 bottles, but beauty teacher Kevin also recommended it as a must-buy when visiting Japan
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Most side effects are mild and transient