Jarrow Formulas MagMind Productivity helps focus and attention so you can feel productive even on your toughest days. Made with high-quality, clinically-studied ingredients, this vegan and gluten free dietary supplement contains no wheat, soybeans, dairy, egg, fish, shellfish, peanuts, tree nuts or sesame. These easy-to-take supplement capsules deliver Magtein, a form of Magnesium shown to readily cross the blood-brain barrier as shown in preclinical studies. It has been shown to support aspects of cognition such as increased mental alertness. Each serving also includes 300 mg of enXtra, a caffeine-free dietary ingredient derived from Galanga extract shown to support mental energy. Clinical studies have shown enXtra to start working within one hour and provide sustained mental stamina for up to five hours, while Magtein improves next-day productivity. Suggested Use: Adults, take two capsules once a day or as directed by your qualified healthcare professional. Informed by strong scientific research, Jarrow Formulas products are carefully crafted to ensure you get the benefit of each and every vitamin, mineral and supplement.