Most adults can safely consume up to 400 milligrams (mg) of caffeine per day. Many pre-workout supplements contain 250–400 mg ...

Both dietitians agree that fueling up wisely can help you get the most out of your workout and boost your sports performance.

"Caffeine’s stimulatory effects can significantly delay your ability to fall asleep," explains Dr. Kaylor. "By blocking ...

Pre-workout supplements may boost your athletic performance and energy, but for the average gym-goer, a cup of coffee will do the trick. Business Insider Subscribe Newsletters ...

Creatine and pre-workout supplements may boost energy and performance during physical activities. Depending on your goals, ...

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 ...

Pre-workout helps delay these effects and helps you push harder. Whether your goal is to build muscle and strength, burn calories, or improve endurance, a pre-workout could help, ...

For a pre-workout protein boost, Hill suggests aiming for 15 to 20 grams of protein (and 25 to 30 grams of carbs) about 30 to ...

Bodybuilders from the 60’s through the early 80’s would drink a cup of coffee before heading to the gym to get a little pre-workout boost of energy. Monday, May 19, 2025 Advertise Donate Submit ...

The Post consulted a certified personal trainer for guidance on choosing the best pre-workout to meet your goals this summer — choose from popular brands like Ryse, C4, and Ghost.

While there’s no single definition of what a pre-workout supplement should contain, many include various combinations of caffeine, beta-alanine, creatine, nitrates, and branched-chain amino ...