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Illustrates the effect of KB220Z taken one-hour prior to qEEG in ten psycho-stimulant abstinent abusers compared to the placebo group in a cross-over study. The FFT Absolute Power shown in microvolts, revealed that compared to placebo, the KB220z complex increased alpha (12–15 Hz) as well as low beta at 15–18 Hz [Blum et al., 2012 – with permission].
