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As Zembrin®Calm And AlertnessWith GABANon-GMOA Dietary SupplementVegetarian/VeganHow it works: Zembrin® is an extract of Sceletium tortuosum an herb traditionally used in South Africa for centuries to support emotional and mental well-being. Modern clinical studies have demonstrated that Zembrin® can promote a feeling of calm while enhancing mental alertness. In effect it can help maintain emotional stability while enhancing certain cognitive functions such as memory and mental flexibility. Zembrin® may also help you get to sleep faster by promoting mental relaxation but not drowsiness.