The 7 Best Protein Powders for Weight Loss

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Protein powders have long appealed to people who want to build muscle and become stronger.

But they can also help those who want to shed weight.

As a convenient and tasty way to increase your protein intake, these powders offer many weight loss benefits — such as appetite control.

They’re highly concentrated dairy- or plant-based sources of protein that may contain added ingredients to aid weight loss as well.

Here are the 7 best protein powders for weight loss.

From snickerdoodle to birthday cake to cookies and cream, there is no shortage of protein powder flavors.

Add to the mix coffee-flavored protein powders, which often contain coffee grounds that are packed with the metabolism-boosting stimulant caffeine.

For instance, this mocha-flavored whey protein by Dymatize contains 25 grams of protein and 113 mg of caffeine per scoop (36 grams) — slightly more than an average 8-ounce (237-ml) cup of coffee (1).

In addition to boosting metabolism, caffeine also increases your stamina during workouts, allowing you to burn more fat and calories (2).

This makes coffee-protein blends the perfect snack 30–60 minutes before you exercise.

What’s more, the protein in these products can promote weight loss by decreasing your appetite, allowing you to cut back on the total calories you consume each day (3).

However, not all coffee-flavored protein powders contain caffeine, so read the nutrition label carefully.

Summary Many coffee-flavored protein powders contain caffeine from coffee grounds. Taken together, protein and caffeine enhance weight loss.

Whey protein is probably the most popular protein powder today.

Whey is one of two milk proteins — the other being casein.

Because your body easily digests and absorbs whey protein, it’s often taken after exercise for muscle building and recovery.

While many studies support whey protein’s conventional use for building muscle, many others suggest it may aid weight loss as well (4, 5).

This product by Optimum Nutrition contains 24 grams of whey protein per scoop (30 grams) and may support both muscle gain and fat loss.

A review of nine studies found that overweight or obese people who supplemented with whey protein lost more weight and gained more muscle mass than those who didn’t (6).

The same review reported that whey protein users also experienced significant improvements in blood pressure, blood sugar control and cholesterol levels (6).

These weight loss benefits stem mainly from whey protein’s ability to decrease appetite, making you feel fuller throughout the day (7, 8).

Summary Studies suggest that whey protein is effective for weight management, as it helps you feel full longer and thereby lessens your appetite.

Casein, the other milk protein, is digested much slower than whey but shares many of its weight loss properties.

Casein protein forms curds when exposed to your stomach acids. This means that your body takes a long time — usually 6–7 hours — to digest and absorb it.

However, the slow digestion rate of casein can help you eat less by decreasing your appetite (9).

In one study in 32 men consumed either a carbohydrate drink or casein, whey, egg or pea protein 30 minutes before eating an unrestricted meal. Researchers noticed that casein had the greatest impact on fullness and resulted in the fewest calories consumed (10).

However, not all studies agree.

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