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R.et al (2016)
Furthermore, five boys (815 years old) with attention deficit hyperactivity disorder (ADHD) were treated with L-theanine and caffeine, and the result showed that L-theanine combined with caffeine could effectively treat ADHD-related injuries in sustained attention, inhibitory control, and overall cognitive performance (64)
Nicotinamide inhibits melanoma in vitro and in vivo
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Compare this to natural GLP-1, which is degraded by the enzyme DPP-4 within minutes of secretion