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Protein Powder

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  • Best Seller New
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    GNC AMP
    GNC AMP New Wheybolic - Chocolate Fudge (26 Servings)
    26 servings
    1,243
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    $54.99
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  • 12 Flavors Available
    12 Flavors Available
    GHOST®
    GHOST® WHEY - Trix™ Cereal Milk (27 Servings)
    27 servings
    1,822
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    $54.99
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  • 12 Flavors Available
    12 Flavors Available
    GHOST®
    GHOST® WHEY - Cocoa Puffs™ Cereal Milk (26 Servings)
    26 servings
    1,822
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    $54.99
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  • New New Flavor
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    GHOST®
    GHOST® WHEY - Lucky Charms™ Cereal Milk (26 Servings)
    26 servings
    1,822
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    $54.99
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  • Best Seller Excluded From Coupons
    12 Flavors + More Sizes Available
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    Optimum Nutrition
    Optimum Nutrition Gold Standard 100% Whey™ - Vanilla Ice Cream (29 Servings)
    30 servings
    2,117
    $59.99
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    GNC Pro Performance®
    GNC Pro Performance® 100% Whey 2.0 - Vanilla Cream (64 Servings)
    64 servings
    111
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    $99.99
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  • Best Seller New
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    13 Flavors + More Sizes Available
    GNC AMP
    GNC AMP New Wheybolic - Chocolate Fudge (52 Servings)
    52 servings
    1,243
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    $99.99
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  • 5 Flavors Available
    5 Flavors Available
    REDCON1
    REDCON1 MRE® Meal Replacement - Fudge Brownie (30 Servings)
    25 servings
    2,005
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    $89.99
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    Jym®
    Jym® Pro Jym Protein - Tahitian Vanilla Bean (45 Servings)
    51 servings
    1,006
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    $74.99
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  • New
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    GNC AMP
    GNC AMP New Wheybolic - Classic Vanilla (52 Servings)
    52 servings
    1,243
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  • Best Seller Excluded From Coupons
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    Optimum Nutrition
    Optimum Nutrition Gold Standard 100% Whey™ - Double Rich Chocolate (74 Servings)
    74 servings
    2,117
    $109.99
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    GNC Pro Performance®
    GNC Pro Performance® 100% Whey 2.0 - Chocolate Supreme (64 Servings)
    64 servings
    111
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    $99.99
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  • NOW WITH MORE PROTEIN PER SERVING AND IMPROVED TASTE!
    Wheybolic® is one of the few whey protein powders with clinically studied benefits!
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  • Best Seller
    4 Flavors Available
    4 Flavors Available
    GNC Pro Performance®
    GNC Pro Performance® Bulk 1340 - Vanilla Ice Cream (15 Servings)
    15 servings
    737
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    $84.99
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  • New
    13 Flavors + More Sizes Available
    13 Flavors + More Sizes Available
    GNC AMP
    GNC AMP New Wheybolic - Classic Vanilla (26 Servings)
    26 servings
    1,243
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    $54.99
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  • Best Seller
    7 Flavors Available
    7 Flavors Available
    GNC Total Lean®
    GNC Total Lean® Lean Shake 25™ - Rich Chocolate (16 Servings)
    16 servings
    1,965
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    $46.99
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  • Best Seller
    5 Flavors + More Sizes Available
    5 Flavors + More Sizes Available
    GNC AMP
    GNC AMP Wheybolic™ Ripped - Classic Vanilla (22 Servings)
    22 servings
    454
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    $74.99
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  • New
    13 Flavors + More Sizes Available
    13 Flavors + More Sizes Available
    GNC AMP
    GNC AMP New Wheybolic - Strawberries & Cream (52 Servings)
    52 servings
    1,243
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  • Best Seller Excluded From Coupons
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    Optimum Nutrition
    Optimum Nutrition Gold Standard 100% Whey™ - Vanilla Ice Cream (73 Servings)
    80 servings
    2,117
    $109.99
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    2 Flavors Available
    2 Flavors Available
    Optimum Nutrition
    Optimum Nutrition Gold Standard® 100% Isolate - Chocolate Bliss (44 Servings)
    44 servings
    201
    $94.99
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  • Best Seller
    12 Flavors Available
    12 Flavors Available
    Dymatize®
    Dymatize® ISO 100® Whey Protein Isolate - Gourmet Chocolate (71 Servings)
    73 servings
    323
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    $139.99
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  • New
    13 Flavors + More Sizes Available
    13 Flavors + More Sizes Available
    GNC AMP
    GNC AMP New Wheybolic - Strawberries & Cream (26 Servings)
    26 servings
    1,243
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  • Back in Stock
    4 Flavors Available
    4 Flavors Available
    GNC Pro Performance®
    GNC Pro Performance® Bulk 1340 - Strawberries and Cream (9 Servings)
    9 servings
    737
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    $54.99
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  • Best Seller
    5 Flavors + More Sizes Available
    5 Flavors + More Sizes Available
    GNC AMP
    GNC AMP Wheybolic™ Ripped - Chocolate Fudge (22 Servings)
    22 servings
    454
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    $74.99
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  • GNC AMP
    GNC AMP Wheybolic® Alpha - Chocolate Fudge (22 Servings)
    22 servings
    80
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    $74.99
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  • Excluded From Coupons
    12 Flavors + More Sizes Available
    12 Flavors + More Sizes Available
    Optimum Nutrition
    Optimum Nutrition Gold Standard 100% Whey™ - French Vanilla Creme (73 Servings)
    73 servings
    2,117
    $109.99
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  • Excluded From Coupons
    12 Flavors + More Sizes Available
    12 Flavors + More Sizes Available
    Optimum Nutrition
    Optimum Nutrition Gold Standard 100% Whey™ - Chocolate Peanut Butter (68 Servings)
    68 servings
    2,117
    $109.99
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  • Best Seller
    12 Flavors Available
    12 Flavors Available
    Dymatize®
    Dymatize® ISO 100® Whey Protein Isolate - Gourmet Vanilla (76 Servings)
    78 servings
    323
    PRO ACCESS BOGO 50% Off Mix-and-Match
    $139.99
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  • 7 Flavors Available
    7 Flavors Available
    GNC Total Lean®
    GNC Total Lean® Lean Shake 25™ - Mixed Berry (16 Servings)
    16 servings
    1,965
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    $46.99
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  • Best Seller
    5 Flavors
    GNC AMP
    GNC AMP Wheybolic™ Ripped - Chocolate Peanut Butter (22 Servings)
    22 servings
    454
    PRO ACCESS BOGO 50% Off Mix-and-Match
    $74.99
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  • 4 Flavors Available
    4 Flavors Available
    GNC Pro Performance®
    GNC Pro Performance® Bulk 1340 - Cookies and Cream (9 Servings)
    9 servings
    737
    PRO ACCESS BOGO 50% Off Mix-and-Match
    $54.99
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PROTEIN FAQs
What does protein powder do for the body?
Protein powder provides a convenient source of dietary protein to help support muscle repair, muscle growth, muscle maintenance, and overall body composition. Protein is also essential for making enzymes, hormones, and structural components like skin and hair. Because it’s easy to mix into shakes or recipes, protein powder is a popular way to help meet daily protein needs – around workouts and busy schedules. And using a protein powder for weight loss can be especially helpful to support your goals.
What is the best protein powder?
The best protein powder depends on your goals, preferences, and dietary needs. Whey protein is a top choice for muscle support and fast digestion, while plant-based protein powders are ideal for those avoiding dairy. Many high-quality protein powder brands offer blends or specialty formulas designed for fitness, wellness, or protein powder for weight loss, making it easy to find an option that fits your lifestyle.
Is protein powder good for you?
For most healthy adults, protein powder can be a beneficial addition to a balanced diet. Protein supplements help fill nutritional gaps, support lean muscle, and promote satiety, which may be helpful for active individuals or those managing calorie intake. When chosen carefully and used as directed, protein powder can support overall health and fitness goals.
Which is the healthiest protein powder?
The healthiest protein powder is one that aligns with your nutrition needs and contains high-quality ingredients. Look for protein supplements with complete protein sources, minimal added sugar, and clear labeling. Whey, casein, and well-formulated plant proteins are all nutritious options, and many protein powder brands now offer clean, simple healthy formulas to support everyday wellness.
What are the top types of protein?
Popular protein powder types include whey protein, casein protein, plant-based proteins (such as pea, rice, or soy), egg protein, and blended formulas. Whey is fast-digesting and commonly used for muscle support, while plant proteins are well suited for vegan or dairy-free diets. Each protein powder type offers unique benefits depending on digestion speed, amino acid profile, and dietary preference.
What is the best protein powder for seniors?
The best protein powder for seniors is one that’s easy to digest and provides a complete amino acid profile to support muscle maintenance. Whey protein and high-quality plant-based protein supplements are popular options, particularly those with added nutrients or smoother textures. Protein powder can be a simple way for older adults to help meet daily protein needs, maintain muscle mass, and support healthy aging.
Is too much protein bad for your kidneys?
For healthy individuals, research shows that consuming protein within recommended ranges is generally safe and does not harm kidney function. People with existing kidney concerns should consult a healthcare professional before increasing protein intake. Using protein powder as part of a balanced diet helps ensure appropriate daily protein levels without excess.
How do you choose the right protein powder?
Choosing the right protein powder depends on factors such as dietary preferences, fitness goals, taste, and ingredient quality. When choosing a protein powder, consider the protein source, sugar content, and whether the product supports goals like muscle building or is a protein powder for weight loss. Comparing trusted protein powder brands can help you find a protein supplement that fits your needs.
What are the side effects of protein powder?
Protein powder is generally well tolerated, but some people may experience mild digestive discomfort, especially if sensitive to dairy or certain ingredients. Choosing a protein powder that fits your digestion needs, such as plant-based protein powder or lactose-free options, can help improve tolerance. Following serving recommendations also helps minimize side effects.
How is protein powder made?
Protein powder is made by extracting protein from whole food sources such as milk, peas, rice, or eggs. The protein is filtered, dried, and processed into a fine powder that’s easy to mix into drinks or foods. Different processing methods help create various textures, flavors, protein concentrations, and macronutrient profiles found across protein powder brands.
How much protein powder should I take daily?
The amount of protein powder you need depends on how much total protein you already get from food. One serving from protein supplements typically provide between 20-30 grams of protein, depending on the protein powder brand. Protein powders offer a great way to supplement your diet, especially if you’re active or using protein powder for weight loss. The best approach is choosing a high-quality protein powder that fits your diet and using it consistently to support your goals.
What are the benefits of protein powder?
Protein powder supports muscle recovery, lean muscle mass, satiety, and overall nutrition. Protein supplements are convenient, versatile, and easy to customize, making them useful for active lifestyles, aging adults, and weight-management plans. With a wide range of protein powder brands available, there are many options that support strength, wellness, and it’s easy to find protein powder for weight loss goals.

Protein is an essential macronutrient that is needed to fuel your body for optimal functioning. Protein is comprised of smaller building blocks, called amino acids, which are needed for the growth, repair, and maintenance of body tissues such as skin, bones, and muscle. Protein helps with muscle recovery after a tough workout and helps you feel fuller longer. Protein powder is a convenient and delicious way to help you meet your daily protein needs. GNC offers a wide range of protein powders such as plant-based and vegan options as well as dairy-based protein powders, like whey and casein. Check out our best protein powder guide here.