“The bottom line for weight gain is increasing total calories from a mixture of nutrient-rich protein, fat, and carbohydrates,” says Cynthia Sass, a registered dietician and virtual private-practice ...

Step into the gym with John Cena’s 2025 Arm Workout Routine — the exact training split and intensity behind his massive 19-inch biceps and shredded triceps. In this video, we break down Cena’s science ...

Lie on a bench or floor with a dumbbell in one hand at chest level, feet flat on the ground. Press the dumbbell straight up until your arm is extended. Stand a couple of feet in front of a bench, ...

To eat 10,000 calories a day, you might try putting away a family-size box of Oreos, a box of packaged cakes, a pint of Ben & ...

Short chains of amino acids promise big breakthroughs in the gym. We asked the experts whether peptide stacking lives up to the hype.