Pre-workout supplements, also called “pre-workouts,” are meant to give you energy for when you exercise. The main ingredient in most of them is caffeine. These supplements often come in pill or powder ...

Multi-ingredient pre-workout supplements (MIPS), also called "pre-workout," are a class of dietary supplements intended to be taken before exercise, and they typically contain a blend of ingredients ...

Pre-workout supplements have become increasingly popular among women looking to ramp up their fitness routines. Depending on their ingredients, they can help build lean muscle, improve exercise ...