The 7 Best Whey Protein Powders of 2019

Supplement your diet with these formulas that pack a punch

Our editors independently research, test, and recommend the best products; you can learn more about our review process here. We may receive commissions on purchases made from our chosen links.

First Look

Best Overall: Optimum Nutrition Gold Standard Powder at Amazon

"90 percent pure protein by weight, so they pack a lot less fat, cholesterol, lactose than other types of protein."

Best Tasting: Grass-Fed Whey Protein Powder by Jay Robb at Amazon

"It’s sourced from grass-fed cows, consists mostly of whey isolate and is naturally sweetened with stevia."

Best Low-Carb: Isopure Zero Carb Protein Powder at Amazon

"With 25 grams of protein per serving, it has enough protein to keep you feeling full for hours."

Best All-Natural: MRM Natural Whey Protein Powder at Jet

"Made with all-natural ingredients...promotes muscle development and supports recovery from exercise."

Best for Athletes: NOW Sports Whey Protein Isolate at Amazon

"The whey protein provides essential amino acids for muscle building, while also supporting post-workout recovery."

Best for Lactose Intolerance: Muscle Feast Whey Protein at Amazon

"Lactose-free...fat-free, cholesterol-free, and gluten-free, making it a perfect choice for people with those dietary restrictions."

Best for Women: Legion Whey Protein Powder at Amazon

"It contains the highest quality protein from grass-fed cows and is free of growth hormones and artificial sweeteners."

Our Top Picks

Best Overall: Optimum Nutrition Gold Standard 100% Whey Protein Powder

A leader in the category, Optimum Nutrition is known for its affordable, high-quality and tasty formulas, and this powder certainly delivers. Our top pick’s primary ingredient is whey protein isolates, which are 90 percent pure protein by weight, so they pack a lot less fat, cholesterol, lactose than other types of protein. It contains just 3g of carbohydrates per serving, making it a nice choice for those trying to reduce their carb intake.

Whether you want to drink it mixed with water, milk, or in a smoothie, this powder blends easily, without any lumps or grittiness. You can choose from more than 20 delicious flavors, from standards like vanilla and chocolate to more scrumptious options such as birthday cake to salted caramel. The powder comes in several different sizes (1, 2, 5 or 10 pounds), so you can pick the one that’s best for your needs.

Best Tasting: Grass-Fed Whey Protein Isolate Powder by Jay Robb

If you’re sick of protein powders that taste chalky or just lack in flavor, you’ll delight your taste buds with this delicious, smooth formula. It’s sourced from grass-fed cows, consists mostly of whey isolate and is naturally sweetened with stevia. Made of all non-GMO ingredients, this powder is gluten-free and lactose-reduced.

But what really makes users sing its praises are the tasty flavors of vanilla, chocolate, piña colada, tropical dreamsicle, and strawberry. It’s also available in an unflavored formula that mixes well with water, milk, or in a smoothie. Your protein powder drink may end up being the most delicious part of your day.

Best Low-Carb: Isopure Zero Carb Protein Powder

If you’re hoping to use whey protein powder to achieve your weight loss goals, this zero carb formula from Isopure is a solid choice. With 25g of protein per serving, it has enough protein to keep you feeling full for hours.

Each serving contains just 100 calories, so you can mix it with water or in a smoothie and you’ll still have a low-cal snack or meal replacement. The creamy vanilla flavor tastes great and mixes well with anything, while flavors like cookies and cream or mint chocolate chip will satisfy your sweet tooth if you have a craving.

Best All-Natural: MRM Natural Whey Protein Powder

MRM Isolate Whey Protein Powder, Chocolate Malt, 2.03 Lb
Courtesy of Walmart

Made with all-natural ingredients and featuring 24g of protein per serving, MRM Whey Natural Protein Powder promotes muscle development and supports recovery from exercise. It also contains an enzyme blend that helps break down the long and short chain peptides into smaller, more readily absorbable proteins, so you get maximum digestion and absorption.

Completely free of hormones, MRM Natural Whey Protein Powder is made with non-GMO ingredients and contains no artificial flavors, sweeteners or colors, as well as almost no cholesterol or fat. It blends very easily and doesn’t have a chalky taste or gritty texture. Users love the creamy and delicious taste of the rich vanilla and chocolate malt flavors.

Best for Athletes: NOW Sports Whey Protein Isolate

With 25 grams of protein per serving and no artificial sweeteners, NOW Sports Whey Protein Isolate is an excellent, high-value choice for a protein powder, especially for athletes. The whey protein provides essential amino acids for muscle building, while also supporting post-workout recovery. It’s also low in carbohydrates and lactose, which makes it more digestible.

Reviewers love that it mixes very easily and both the unflavored and dutch chocolate flavors taste great.

Best for Lactose Intolerance: Muscle Feast Grass-Fed Whey Protein Isolate

If you’re lactose intolerant, you might assume you should avoid whey protein powders, since they’re derived from cows’ milk. However, this powder from Muscle Feast is not only lactose-free, it’s also fat-free, cholesterol-free and gluten-free, making it a perfect choice for people with those dietary restrictions and anyone looking for a high-quality whey protein powder.

With no antibiotics, hormones, or artificial ingredients or flavors, it’s a clean, pure formula packed with fast-acting protein. Users love that it mixes instantly, tastes great, and keeps you feeling full longer. It’s available in two sizes (2-pound and 5-pound) and chocolate, unflavored and vanilla flavors.

Best for Women: Legion Whey+ Protein Powder

Whether you want to add muscle or lose weight (or maybe a bit of both), Legion Whey+ Protein Powder can support women’s needs and goals. Made of all natural ingredients, it contains the highest quality protein from grass-fed cows and is free of growth hormones and artificial sweeteners.

With 22 grams of protein, only 3 grams of carbohydrates and no fat per serving, it helps you feel fuller, supports lean muscle tissue and fat loss, while increasing your energy. Users love that the powder mixes very well, has no weird aftertaste, isn’t gritty, and tastes delicious, in vanilla, strawberry banana, cookies and cream, chocolate peanut butter, and chocolate flavors.

Check out our guide to the best protein powders for women you can buy today.

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