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The 1 fitness supplement worth taking to burn fat and build muscle, according to science
Scientists agree that creatine is the best fitness supplement, with the most evidence-based benefit…
Gabby Landsverk
3 top personal trainers explain why they stopped taking pre-workout supplements that boost energy
Pre-workout supplements are huge in the world of fitness. So why have three top trainers decided to…
Rachel Hosie
At first, pre-workout supplements helped me to lift heavier. Then I became sleep-deprived, dependent, and my gains tapered off.
At first, I loved that pre-workout made me more focused, energetic, and able to lift more. But I fe…
Julia Pugachevsky
A top bodybuilding coach shares the two supplements he would never take
Bodybuilding coach Cliff Wilson shared the supplements he avoid, including those that promise to "d…
Rachel Hosie
7 supplements a personal trainer and bodybuilding coach takes daily to grow muscle, boost energy, and stay in shape
Industry-leading personal trainer and former bodybuilder, Cliff Wilson, shared the seven supplement…
Rachel Hosie
Workout supplements containing caffeine can be dangerous, experts say. They can cause irregular heartbeats and overheating.
Many pre-workout supplements have caffeine. It can boost performance in some sports, but too much c…
Kate Hull
A personal trainer shared the 2 popular fitness supplements that she would never take
Just because everyone in your gym is sipping pre-workout and snacking on protein bars doesn't mean …
Rachel Hosie
Dakota Johnson's personal trainer shares the supplements he takes, used to take, and would never take
Dakota Johnson's personal trainer used to take a pre-workout supplement but has since realized that…
Rachel Hosie
Pre-workout supplements may help boost athletic performance and increase energy — here's what to know before taking one
Taking a pre-workout supplement before working out may provide benefits like increased performance,…
Mattie Schuler,Samantha Cassetty
Henry Cavill says he has protein smoothies for breakfast and pre-workout supplements to bulk up for roles
Actor Henry Cavill uses supplements to get in shape. But that doesn't mean those supplements are a …
Jackson Thompson
A complete guide on pre-workout - the energy-boosting supplement used by exercise enthusiasts and gym rats
Pre-workout supplements may boost your athletic performance and energy, but for the average gym-goe…
Ava English,Samantha Cassetty
Stephanie Sanzo said she stopped taking protein powder and pre-workout supplements after she developed digestion issues
Stephanie Sanzo told Insider she used to take protein powder and pre-workout supplements, but found…
Rachel Hosie
A sports dietitian who works with pro athletes swears by 4 pre-workout foods for high-intensity workouts and weight lifting
Sports dietitian Angie Asche, who works with elite athletes and Chris Hemsworth's fitness app, said…
Gabby Landsverk
A 20-year-old had a heart attack after eating a dry scoop of highly-caffeinated pre-workout supplement powder, a dangerous TikTok trend
"Dry scooping" is a TikTok trend that involves eating a spoonful of highly-caffeinated supplement p…
Gabby Landsverk
5 benefits of BCAAs and how to take these supplements to improve your workout
Research indicates BCAAs may reduce exercise-related fatigue and muscle soreness as well as support…
Rebecca Strong,Samantha Cassetty
Demand for the muscle-building supplement creatine has exploded as people flock back to the gym creating a shortage and price hikes that could last until 2023
Increases in demand and supply-chain woes have led to a shortage of the muscle-building supplement …
Allana Akhtar,Gabby Landsverk
We shopped at GNC and Vitamin Shoppe to see which supplement store is better
The Vitamin Shoppe said in its first-quarter earnings report in May that it plans to close 60 to 80…