Medically reviewed by Patricia Mikula, PharmD Key Takeaways Using pre-workout supplements every day can make them less ...

With the primary ingredient being caffeine, usually more than a standard cup of coffee can offer, gym-goers tend to take pre-workout to help them get through a particularly tough workout. ‘Pre-workout ...

Common pre-workout side effects include restlessness, high blood pressure, and tingling skin. High doses of stimulants and amino acids are usually the cause.