On top of fridges, stacked in grocery aisles, and sprinkled all over your social feed—protein powder is everywhere. You might even have a half-used tub quietly judging you from the back of your pantry. But what is protein powder, really? Protein powder is a concentrated source of protein made from animal or plant ingredients—like whey, casein, soy, pea, egg, or blends. The best protein powders deliver a potent dose of high-quality protein, » Read more about: Guide to Protein Powder: Scoop the 411 From an RD »
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Add some serious size to your arms by perfecting the skull crusher workout with these tips from a certified personal trainer.

Tired of mixing up pre-workout powders every time you go to the gym? Boost energy and exercise performance with these natural pre-workout alternatives.

Build muscular endurance and strength with our trainer-approved kettlebell strength workout.

All you need is a set of dumbbells for this back-building workout. Check out our back workout with dumbbells here and get those gains!

We guarantee you’ll have a ball with our medicine ball workouts guide, written by a certified personal trainer.

Strengthening the serratus anterior can prevent shoulder injuries. We go over our favorite serratus anterior exercises as well as how to correctly do each one.

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Do you need an excellent compound exercise that builds strength and muscle in the core and posterior chain? Try the Romanian deadlift with our RDL workout!

Building strong quadriceps are important for all-around fitness. Try some of these quad exercises to build muscle strength and size during your next sesh!

We’ve got eight of the best exercises for your low chest workout. Build muscle and get stronger with these movements.

Coffee vs. pre-workout—is one better for powering through a workout? We’ll discuss what you need to know.

Pre-workout is common among athletes determined to push their workout to the next level. However, there are pre-workout side effects you should know about.