Medically reviewed by Jamie Johnson, RDN Key Takeaways Protein powder can help you gain muscle if you do strength training.Protein powder can help with weight loss by controlling appetite but avoid ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Overall, the best protein powders keep it simple: They boast a solid macro profile and taste great. While ...

Most people don’t need to consume this supplement, experts say, but it can be useful in certain situations. By Alice Callahan On TikTok, influencers tout protein powder as key to building muscle and ...

Everyone seems to be talking about protein right now—and for good reason. “Protein is the building block of every tissue in our body, from muscles and bones to organs, skin, and hair,” says Rachel ...

Our RDs share their top protein powder picks for 2026, including low-calorie, organic, and high-fiber formulas, and more.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." That said, not all protein powders are created equal, and concerns about contaminants—particularly heavy ...

Looking for the best protein powders to fuel your workouts? From plant-based blends to whey isolates, we’re breaking down nine top picks that deliver muscle recovery, clean ingredients, and smooth ...

Protein shakes are a convenient way to get a hefty dose of protein, an essential macronutrient that helps build and repair muscles, boost your metabolism, and keep your immune system healthy. Protein ...

Taking magnesium and protein powder together may benefit your muscles, bones, and blood sugar, although some digestive side effects may be possible.

Which vegan protein powder is best? With the popularity of plant-based diets booming, the time for stereotypes about weak or sickly vegans is over. Vegan protein powder is perfect for gym-goers and ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. Over-the-counter protein ...

Whey is a milk protein that’s processed into powder. Plant-based protein comes from sources like soy, pea, rice, hemp, or pumpkin seeds. Both whey and plant protein can help build and keep muscle.