Modalert Tablet, a popular nootropic, is frequently used by students to help them concentrate and stay alert during exams or long study sessions.  The drug contains modafinil, a wakefulness-promoting stimulant that reduces fatigue and improves mental alertness.  Modalert 200 has been reported by some users to improve focus, speed of information retention, and productivity.  

However, it is not a cure-all for learning and should be used responsibly, with a prescription and under the supervision of a clinical professional.  Proper rest, good lifestyle choices, and effective study approaches are still essential for memory retention and peak performance.