Fight occasional drowsiness or fatigue with Jet-Alert Double Strength Caffeine. Jet-Alert s fast acting and non-habit forming formula is as safe and effective as coffee when it comes to restoring alertness or wakefulness. With as much caffeine as two cups of coffee just one caplet puts the pep back in your step. The double-strength formulation comes in a rapid-absorbing caplet. Each bottle contains 90 caplets.