If you continue to take pre-workout on a regular basis, your body can build up a tolerance to its effects, which is why Lovell advises cycling the supplement, or coming off it for six to eight weeks at a time to give your body a chance to reset. "Cycling is the way forwards," says Lovell.

How long should you use pre-workout?

Considering these common ingredients' half-life, kick-in timing and peak timing, most people take pre-workouts 30 minutes before working out to ensure the effects will last throughout their workout. You can expect to feel the effects for around an hour, though the pre-workout may stay in your system for 4 hours or so.

Is it OK to use pre-workout everyday?

How Much Pre Workout Should You Take? For healthy adults, it's safe to consume about 400 milligrams (0.014 ounces) per day. When you're measuring out your pre workout supplement, be sure to also factor in how much caffeine it contains per scoop and how much you've consumed before your workout.