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doi: 10.4172/2376-0427.1000246 129 WeilRSSchragAEWarrenJDCrutchSJLeesAJMorrisHR
doi: 10.1038/s41598-019-48059-7 30 ChenJ.LiQ.WangJ
When used together, the brightening effects of both ingredients can be tripled, resulting in maximized benefits
Delaying morning caffeine for 90 to 120 minutes after waking allows me and will allow people to avoid that afternoon crash
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