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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A certified strength coach breaks down the benefits, best alternatives, the do’s and don’ts, and everything in between of the old-school Jefferson squat.

A registered dietitian compares plant protein vs animal protein, helping you choose the most effective option for your needs!

Build bigger biceps by learning how to do the cable biceps curl. A personal trainer explains modifications, alternatives, and common mistakes to avoid.

Are you looking for something fresh for your weekly arm workouts? Reverse curls may be what you need to keep the routine fresh and keep the gains coming!

What is quadrobics? From how to do it to its potential benefits, learn more about the four-limbed fitness movement that’s making huge leaps in popularity.

Unlock the full potential of treadmill training with our detailed treadmill pace chart, essential tips, and sample workouts from a certified personal trainer.

Need cardio motivation? There are many benefits of walking on a treadmill, from better heart health to stronger bones. Here we’ll discuss the most well-studied.

Curious how much caffeine is in pre-workout? Learn the buzz and benefits of taking caffeinated pre-workout, how to dose it, and what to watch out for.

For our expert guide to hanging leg raises we asked a certified trainer for the benefits, best alternatives, do’s, and don’ts of this dynamic core exercise.

A registered sports dietitian talks about pre-workout, and its benefits, then answers “Is pre-workout necessary?”

Regular back squats aren’t the only way to build muscle in your lower body. We explain how to do the 21 best squat variations and give sample workouts to try.

Are you dealing with a literal pain in the neck? Check out our neck exercises guide to find out how you can strengthen your neck muscles and get some relief!