How Much Muscle Can You Gain in a Month?
Want to know how to identify a fitness pro who’s knowledgeable and trustworthy? Ask them how much muscle you can gain in a month. If they give you any answer other than “it depends,” work with someone else. In a wor
25 Signs You Crushed Your Workout That Have Nothing to Do With Sweat or Soreness
There are more legit ways to measure a great session—and, no, they’re not all physical. EF Volart/Getty Images All products are independently selected by our editors. If you buy something, we may earn an affiliate commiss
Here’s Exactly What to Do on Leg Day, According to Top Trainers
All products are independently selected by our editors. If you buy something, we may earn an affiliate commission. Full-body routines are great and all, but there’s just something special about leg day. A solid leg workout
What Is Sweat Made of?
If you’re dripping in sweat after a workout, you know it’s time to rehydrate. But before you reach for your water bottle, it’s important to understand exactly what sweat is made of, because we lose more than just water
Is Pea Protein as Effective as Whey? 5 Reasons to Try This Plant Protein
When you hear “good source of protein,” which foods come to mind? A boneless, skinless chicken breast? A medium-rare prime rib? A cup of Greek yogurt sprinkled with chopped almonds? What about yellow peas? Maybe it’s no
Experts Agree: Your Next Running Shoes Should Be Asics—We Found the Best Pairs
If you’re wondering where to find your next pair of running shoes, we have one suggestion: Asics. Experienced, long-time runners (including some SELF editors) swear by the brand’s supportive, comfy kicks—the kind you ca
Is Working Out Twice a Day Helping or Hurting Your Goals?
If you’re chasing specific fitness results, you may wonder whether working out twice a day will help you achieve them twice as fast. Once a relic of high school sports training, two-a-day workouts are now all over social me
Does Walking Backwards on a Treadmill Actually Do…Anything?
I’m typically one to mind my own business at the gym. It’s my me time, so I don’t really concern myself with what others are doing. (Plus, staring at strangers is rude!). But recently, I noticed something that made my h
17 Simple Fitness Tips to Help You Get the Most Out of Your Workouts in 2025
A quick scroll through social media will cement the fact there’s a lot going on in the exercise space: new classes, workouts, and products claiming to bust boredom and give you results, stat; influencers promising the secre
Start Here: How to Use SELF’s 6 Weeks to Stronger Workout Plan
When you start looking for a new workout program, it can easily turn into “go big or go home” pretty damn quickly. This kicks off a fitness trajectory I’ve seen all too often: A headfirst dive into working out, cramming