Explore recommended supplements that help you build lean muscle, increase calorie intake, and support overall health for ...

Mass gainer protein powders, also called weight gain protein powders, are specifically formulated for athletes and weightlifters looking to pack on pounds — particularly lean muscle mass.

you may have noticed both weight loss and weight gain listed. But is there a type that’s best for weight loss or maintaining your current weight? Read on for a deep dive into the topic.