If you’re looking for an affordable and effective way to get your daily dose of protein, Costco has got you covered. With their extensive range of protein powders, it can be overwhelming to choose the best one for your needs. Here are some factors to consider before making a purchase:
Firstly, consider your dietary needs. If you’re lactose intolerant or follow a vegan diet, you’ll want to look for plant-based or dairy-free options. Additionally, consider the protein source – whey protein is great for muscle building, while collagen protein is better for supporting healthy hair, skin, and nails.
Secondly, take a look at the nutritional label. Check the amount of protein per serving, as well as the number of calories, carbs, and sugar. Some protein powders may have added ingredients like amino acids or probiotics, which can provide additional health benefits.
Finally, think about the taste and texture of the protein powder. Some brands may have a chalky or gritty texture, which can be unpleasant. It’s also important to find a flavor that you enjoy, as you’ll likely be consuming it on a regular basis.
Are you tired of paying high prices for protein powder? Do you struggle to find one that meets your dietary needs and tastes good? Keep reading to discover the best protein powder options available at Costco – at a fraction of the cost of other retailers.
10 Best Protein Powder From Costco
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The product is ideal for those who want a protein powder that is gluten-free, lactose-free, and keto-friendly, with high protein content.
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2
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Ideal for those seeking a vanilla-flavored protein powder with high protein content, low sugar, and no soy/gluten ingredients.
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3
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This product is ideal for individuals looking for a high-quality, organic whey protein powder with added probiotics.
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4
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Ideal for individuals looking for a low carb, gluten-free protein powder with high protein content, keto-friendly and lactose-free.
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5
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It is ideal for those looking for a high-quality source of whey protein powder to supplement their fitness goals.
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6
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The product is an organic, vegan protein powder that contains superfood ingredients and vitamins for immunity support. It is keto-friendly.
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7
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It is an ideal protein powder for fitness enthusiasts looking for a high-quality and great-tasting product.
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8
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It is an ideal protein powder for both men and women who want to boost their immunity and follow a keto-friendly diet.
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9
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This product is ideal for muscle recovery during overnight periods due to its slow absorption and high amino acid content.
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10
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Ideal for individuals seeking a vegan, gluten-free protein powder with added greens and probiotics for overall health benefits.
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1. Carb-Free Vanilla Protein Powder – Isopure Whey Isolate

The product being reviewed is a protein supplement that provides a host of benefits to support an active and healthy lifestyle. With a combination of essential vitamins and minerals, this supplement is designed to provide immune support, muscle building, and recovery.
The first key ingredient is Vitamin C, which is known for its immune-boosting properties. Zinc is also included, which is essential for overall immune function. Additionally, Vitamin E is included to support overall health and well-being.
The protein source in this supplement is 100% Whey Protein Isolate, providing 25g of protein per serving. This high-quality protein source is essential for muscle building and recovery, making it an ideal supplement for athletes and active individuals.
For those watching their calorie intake, this supplement also offers zero/low carb options. This means you can enjoy the benefits of a high-quality protein source without worrying about excess carbs or calories.
This supplement is a perfect fit for anyone with an active lifestyle. It can be used post-workout to support muscle recovery, between meals to curb hunger and maintain energy levels, or even as part of a healthy breakfast to start the day off right.
Finally, this supplement also includes an added vitamin and mineral blend to support overall health and wellness. With a combination of essential nutrients, this supplement is a great way to ensure you are getting all the vitamins and minerals your body needs to function at its best.
2. Vanilla Shake Protein Powder: 30g, Keto-Friendly

This protein powder is a great option for those looking to increase their protein intake. With 30g of protein per serving, it provides all the essential amino acids necessary for muscle growth and repair. The protein source is 100% whey, ensuring high quality and easy digestion.
In addition to its impressive protein content, this powder is also available in three delicious flavors: chocolate milkshake, vanilla milkshake, and cafe latte. It can be mixed with either water or milk, blended into a smoothie, or even baked into protein-packed recipes.
For those with dietary restrictions, there's good news: this powder contains no soy ingredients and is gluten-free. This makes it a safe and healthy option for those with allergies or intolerances.
Please note that you may receive a package with the weight of 23.3, but both sizes contain 17 servings which deliver 30g of protein per serving. The packaging may vary, but the product remains the same high-quality protein powder that you can trust.
3. Vanilla Protein Pro – Organic, Gluten-Free, Probiotic Power

Introducing the Certified Organic Grass Fed Whey Protein, the ultimate solution to your protein needs! This high protein powder is a standout among conventional whey protein powders, offering a delicious Vanilla flavor and 21 grams of muscle-building protein nutrition in every serving.
This protein powder is perfect for pre and post-workout recovery, with only 120 calories per serving. It is an excellent supplement to refuel and repair your muscles, allowing you to get back in the gym faster.
This protein powder is not just any ordinary protein powder, it also contains probiotics, making it a one-of-a-kind product. You can now enjoy the benefits of protein powder with the added bonus of probiotics. This tasty smooth organic whey protein shake delivers 4.7g of BCAAs and 2 billion CFU of probiotic B. lactis for easy digestion.
The protein in this product is sourced from grass-fed cows that are pasture-raised on organic farms in California. These cows are not pumped with hormones (rBGH and rBST free) or routine antibiotics. This ensures that only high-quality, pure, and healthy protein is used in making this product.
The whey protein in this product is cold-processed to maintain amino acid integrity and ensure that you get only the best quality protein. It is also third-party tested and certified USDA Organic, Non-GMO, Gluten-Free, Kosher, and American Humane Certified.
Choose the Certified Organic Grass Fed Whey Protein for your protein needs and experience the difference in quality and taste. It is a product that you can trust and enjoy every day.
4. Low Carb Chocolate Protein Powder

This product is designed to provide immune support through the combination of Vitamin C, Zinc and Vitamin E. It also contains 100% whey protein isolate, a high-quality protein source that provides 25g per serving to support muscle building and recovery. For those watching their calorie intake, this product offers zero/low carb options. With its versatility, this supplement is a perfect fit for individuals with active lifestyles as it can be used post-workout, between meals, along with a healthy breakfast or any time of day. Additionally, this product is fortified with a blend of vitamins and minerals to further support overall health and wellness.
The Vitamin C and Zinc in this supplement are well-known for their immune-boosting properties. Vitamin C helps the body to produce white blood cells, which are essential in fighting infections and diseases. Zinc is also a key nutrient that helps to stimulate the immune system. Both of these nutrients, along with Vitamin E, which is a powerful antioxidant, help to support overall immune health and function.
This supplement also contains 100% whey protein isolate, which is a high-quality protein source that is quickly absorbed by the body, making it ideal for post-workout recovery. Whey protein isolate contains all the essential amino acids needed for muscle building and repair. With 25g of protein per serving, this supplement provides an adequate amount of protein to support muscle growth and recovery.
For individuals who are watching their calorie intake, this supplement also offers zero/low carb options. This makes it an ideal choice for those who are looking to maintain their weight or lose weight while still getting the necessary nutrients and protein needed to support their active lifestyle.
This supplement can be used at any time of the day and can be easily incorporated into any diet or meal plan. It can be used post-workout to aid in muscle recovery or between meals to help curb cravings. It can also be added to a healthy breakfast to provide a boost of nutrients and protein to start the day off right.
In addition to its immune-boosting and muscle-building properties, this supplement is also fortified with a blend of vitamins and minerals to further support overall health and wellness. This makes it a well-rounded supplement that can help individuals achieve their health and fitness goals.
5. Double Choc Whey – Optimum Nutrition's Bestseller!

Introducing the Gold Standard 100% Whey, a protein powder that boasts of its trusted quality and now comes with a fresh new look. Each serving of this protein powder contains 24g of protein that aids in building and maintaining muscle when taken over time together with regular resistance training.
This protein powder also contains 5.5g of naturally occurring branched chain amino acids (BCAA) and 11g of naturally occurring essential amino acids (EAAs) that support muscle recovery. This makes it a great choice for individuals who are looking to enhance their performance during exercise or for those who want to recover quickly after an intense workout.
The Gold Standard 100% Whey can be consumed anytime, making it a versatile choice for any lifestyle. It can be taken before or after exercise, between meals, with a meal, or any time of day when one needs extra protein.
It is no wonder that the Gold Standard 100% Whey is the world's best-selling whey protein powder. It is also banned substance tested and goes through the highest quality control measures so consumers can feel confident and comfortable consuming the product.
6. Vega Chocolate Superfood Protein Powder – Immunity Support

The Vega Organic All-In-One Shake is a plant-based meal replacement shake that provides a healthy and convenient option for people on the go. Each serving contains 20 grams of vegan protein from organic pea protein powder, organic sunflower seed, and organic pumpkin seed, and it includes all nine essential amino acids. Moreover, this shake offers more than just protein, as it provides 50% DV of eight vitamins and minerals per serving, 4g of fiber, 500mg of Omega-3 ALA, and Probiotics (2 billion CFUs bacillus coagulans).
The Vega Organic All-In-One Shake is made from real, plant-based ingredients, and it is certified USDA organic, vegan, vegetarian, gluten-free, and Non-GMO Project verified. This protein powder contains no grains, no added sugar, and no artificial flavors, making it a healthy and natural option for those seeking a balanced diet.
In addition to its terrific nutritional value, the Vega Organic All-In-One Shake also includes a blend of veggies and greens, such as organic chard, kale, broccoli, spirulina, blueberries, and pomegranate. This shake is an excellent source of Vitamin D and antioxidant Vitamins A and C, which help to support the immune system.
The Vega Organic All-In-One Shake is incredibly versatile and can be enjoyed in many ways. To prepare, simply shake with 1-1/2 cups of ice-cold water or a beverage of your choice. Alternatively, blend it into your favorite recipe for a delicious vegan protein shake with a smooth taste and texture.
Please note that the packaging of the Vega Organic All-In-One Shake may vary, but the taste you love remains the same. This meal replacement shake is perfect for anyone looking for a healthy and convenient option to support a balanced diet.
7. Vanilla Gold Standard Whey – 5lbs

The Gold Standard 100% Whey protein powder is a trusted product that comes with a new packaging design. Each serving of the powder provides 24g of protein, which is beneficial for building and maintaining muscle mass when combined with regular resistance training over time. Additionally, each serving contains 5.5g of naturally occurring branched chain amino acids (BCAA) and 11g of naturally occurring essential amino acids (EAAs) that support muscle recovery. This versatile protein powder can be taken at any time of day, including before or after exercise, between meals, or with a meal.
As the world's best-selling whey protein powder, this product has undergone rigorous quality control measures to ensure that it is safe for consumption. Additionally, it has been tested for banned substances, giving customers peace of mind when using this product. With its high protein content and amino acid profile, the Gold Standard 100% Whey protein powder is an excellent choice for those looking to support their fitness goals.
8. French Vanilla Superfood Protein Powder

Looking for a convenient, plant-based meal replacement option? Look no further than Vega Organic All-In-One Shake. With 20 grams of vegan protein per serving, this protein powder is made from a blend of organic pea protein powder, organic sunflower seed, and organic pumpkin seed, and contains all nine essential amino acids.
But Vega Organic All-In-One Shake is more than just protein. Each serving contains 50 percent of the daily value of eight vitamins and minerals, as well as 4 grams of fiber, 500 milligrams of Omega-3 ALA, and probiotics (2 billion CFUs bacillus coagulans) to support digestive health. And it's all from real, plant-based ingredients that are certified USDA organic, vegan, vegetarian, gluten-free, and Non-GMO Project verified.
Not only does Vega Organic All-In-One Shake provide a variety of essential nutrients, it also includes a blend of veggies and greens such as organic chard, kale, broccoli, spirulina, blueberries, and pomegranate. It's an excellent source of Vitamin D and antioxidant Vitamins A and C to help support the immune system.
Enjoy Vega Organic All-In-One Shake in a variety of ways. Simply shake with 1-1/2 cups of ice-cold water or your favorite beverage, blend into your favorite recipe for a delicious vegan protein shake with smooth taste and texture, or mix with nut butter or fruit for a quick and easy meal replacement smoothie on the go.
Please note that the packaging of Vega Organic All-In-One Shake may vary, but rest assured that it's still the same great taste you love. Plus, with no grains, added sugar, or artificial flavors, you can feel good about incorporating this protein powder into your daily routine.
9. Overnight Recovery Vanilla Protein: Dymatize Elite Casein

Dymatize Elite 100% Micellar Casein Smooth Vanilla Protein Powder is a high-quality dietary supplement that offers 25 grams of protein per serving. The protein is derived from 100% micellar casein, a slow-digesting protein that provides long-lasting muscle support and recovery.
Each serving of this protein powder contains 5.3 grams of branched-chain amino acids (BCAAs), including 2.3 grams of L-Leucine, which is essential for muscle growth and repair. The sustained release of these amino acids ensures that the body remains in an anabolic state for a longer duration, which leads to enhanced muscle growth and recovery.
This protein powder is ideal for consumption during extended periods between meals, such as overnight, to sustain muscle growth and repair. It provides a sustained release of muscle-building amino acids that not only support muscle growth but also aid in muscle recovery.
Dymatize Elite 100% Micellar Casein Smooth Vanilla Protein Powder comes in a 2 lbs pack that contains 27 servings. The smooth vanilla flavor adds a delicious taste to the supplement, making it a treat to consume.
10. Raw Green Chocolate Protein Shake – Vegan-Friendly

Looking for a delicious and nutritious protein shake to help you recover after a workout? Look no further than this high-quality organic protein powder.
Boasting an impressive 20 grams of raw organic plant protein from organic peas and sprouted grains, seeds, and legumes, this protein powder is the perfect way to help your muscles recover after a tough workout. And with 6 organic greens and veggies included in the mix, you'll be getting a powerful dose of nutrient-rich green energy with every sip.
But that's not all – this protein powder is also packed with probiotics and non-GMO enzymes to aid in digestion. With 1.5 billion CFU probiotics and 13 non-GMO enzymes, you can enjoy a tasty, smooth low-carb protein shake that's easy on your stomach.
And best of all, this vegan protein powder is USDA organic, NSF certified gluten-free, certified vegan, kosher, and trusted by Informed Choice Sport. Whether you prefer to mix it with water or unsweetened almond milk, you're sure to love the delicious chocolate flavor.
So if you're looking for a high-quality protein powder to help you recover after your workouts, look no further than this organic plant protein powder – you won't be disappointed!
Best Protein Powder From Costco FAQs
Are there any protein powders at Costco that are specifically designed for weight loss?
Yes, Costco offers a variety of protein powders that are specifically designed to aid in weight loss. One of the most popular options is the Premier Protein Shake, which contains 30 grams of protein and only 160 calories per serving. This shake also has a low sugar content and is gluten-free, making it a great option for those looking to lose weight.
Another option available at Costco is the Orgain Organic Protein Powder, which is made with plant-based protein and contains only 150 calories per serving. This powder is also gluten-free and contains no added sugars, making it a healthy choice for those looking to shed some pounds.
In addition to these options, Costco also carries a variety of other protein powders that can aid in weight loss, such as the MusclePharm Combat Protein Powder and the Optimum Nutrition Gold Standard Whey Protein Powder. It's important to remember that while protein powders can be a helpful addition to a weight loss plan, they should be used in conjunction with a healthy diet and exercise routine.
Are there any protein powders at Costco that are vegan or vegetarian-friendly?
Yes, Costco offers a variety of vegan and vegetarian-friendly protein powders that cater to the dietary preferences of its customers. One popular option is the Orgain Organic Protein Plant-Based Powder, which is made with pea, brown rice, and chia seed proteins. This powder is free of soy, gluten, and dairy, making it an excellent choice for those with food sensitivities or allergies. Another option is the Vega One Organic All-in-One Shake, which is made with a blend of pea protein, hemp protein, and pumpkin seed protein. This protein powder is also gluten-free and contains probiotics and greens for added nutrition. Additionally, Costco carries the Garden of Life Organic Plant-Based Protein Powder, which is made with a blend of pea, brown rice, chia seed, and flaxseed proteins. This powder is certified organic and non-GMO, making it a great choice for those who prioritize clean, sustainable ingredients in their diets. Overall, Costco offers a range of high-quality, vegan and vegetarian-friendly protein powders that can help support a healthy, plant-based lifestyle.
How do the different protein powders at Costco compare in terms of taste?
The taste of protein powders at Costco can vary depending on the brand and flavor. Generally, whey protein powders tend to have a milder, creamier taste while plant-based protein powders can have a more earthy or nutty flavor.
One of the most popular protein powders at Costco is the Optimum Nutrition Gold Standard Whey Protein. It comes in a variety of flavors such as chocolate, vanilla, and strawberry and is known for having a smooth and creamy taste. Another option is the Vega Sport Premium Protein which is a plant-based protein powder. It is available in flavors such as vanilla and chocolate and has a slightly nutty taste.
In terms of taste, it ultimately comes down to personal preference. It is recommended to try different brands and flavors to determine which one suits your taste buds the best. Additionally, reading reviews online and asking for recommendations from friends or fitness professionals can also be helpful in finding a protein powder with great taste.
What are the customer reviews for the best protein powder at Costco?
Costco offers a wide variety of protein powders to cater to the needs of its customers. The best protein powder at Costco largely depends on the individual's fitness goals, dietary restrictions, and personal preferences. However, some of the most popular protein powders at Costco include Optimum Nutrition Gold Standard Whey Protein, MusclePharm Combat Protein Powder, and Vega Sport Premium Protein Powder.
According to customer reviews, Optimum Nutrition Gold Standard Whey Protein is highly rated for its taste, mixability, and effectiveness in muscle building and recovery. MusclePharm Combat Protein Powder is also favored for its taste and effectiveness in promoting muscle growth and recovery. Vega Sport Premium Protein Powder receives positive reviews for its plant-based protein source, low sugar content, and effectiveness in aiding muscle recovery.
Overall, customer reviews suggest that Costco offers a range of high-quality protein powders that are effective in promoting muscle growth and recovery. It is advisable to read through customer reviews and consult with a healthcare professional before selecting a protein powder that suits your individual needs.
What are the ingredients in the best protein powder at Costco?
Costco offers a wide range of protein powders that cater to different dietary needs and preferences. However, the best protein powder at Costco would largely depend on the individual's goals and dietary restrictions. For instance, the Optimum Nutrition Gold Standard Whey Protein is a popular choice among fitness enthusiasts and contains whey protein isolates, whey protein concentrate, and whey peptides, along with digestive enzymes and amino acids. Another option is the Vega Sport Premium Protein Powder, which is plant-based and contains pea protein, pumpkin seed protein, organic sunflower seed protein, and alfalfa protein. It is also gluten-free, non-GMO, and free from artificial flavors and sweeteners. Additionally, the Kirkland Signature Chocolate Protein Shake is a convenient and affordable option that contains milk protein concentrate, calcium caseinate, and whey protein isolate, along with vitamins and minerals. Overall, it is essential to read the label and ingredient list carefully to determine the best protein powder at Costco that aligns with one's fitness goals and dietary preferences.
What are the top brands of protein powder available at Costco?
Costco is a popular destination for fitness enthusiasts and health freaks looking for quality supplements at affordable prices. When it comes to protein powders, Costco has a vast selection of brands to choose from. The top brands of protein powder available at Costco include Optimum Nutrition, MusclePharm, Vega, and Premier Protein.
Optimum Nutrition is a well-known brand that offers a range of protein powders, including whey, casein, and plant-based protein powders. MusclePharm is another popular brand that specializes in sports nutrition supplements, including protein powders that are high in protein and low in sugar. Vega is a plant-based brand that offers organic and vegan protein powders that are free of artificial flavors, colors, and sweeteners. Premier Protein is a brand that focuses on providing high-quality protein powders that are low in calories and sugar, making them ideal for weight loss and muscle building.
Overall, when it comes to purchasing protein powders at Costco, you can be confident that you are getting the best value for your money, with a wide range of reputable brands to choose from.
What flavor options are available for protein powder at Costco?
Costco offers a wide range of protein powder flavors to cater to the diverse tastes and preferences of their customers. Some of the popular flavors available include chocolate, vanilla, strawberry, and cookies and cream.
Chocolate is a classic flavor that is rich and satisfying, making it a favorite among many protein powder users. Vanilla is a versatile flavor that can be easily mixed with other ingredients to create delicious protein shakes and smoothies. Strawberry offers a sweet and fruity taste that is perfect for those who prefer a lighter flavor. Cookies and cream is a decadent flavor that is perfect for those looking to indulge in a tasty treat while still meeting their protein needs.
In addition to these flavors, Costco also offers other unique flavors such as mocha, cinnamon, and peanut butter. These flavors provide variety for those looking to switch up their protein powder routine.
Overall, Costco offers a great selection of protein powder flavors to suit different tastes and preferences. Customers can choose from classic flavors or try something new to keep their protein intake interesting and enjoyable.
Which protein powder at Costco has the highest protein content per serving?
Costco offers a variety of protein powders, so determining which one has the highest protein content per serving requires a closer look at the nutritional information. After researching and comparing the options, it appears that the Optimum Nutrition Gold Standard 100% Whey Protein Powder has the highest protein content per serving at Costco. Each serving contains 24 grams of protein, which is a high amount for a single serving of protein powder. Additionally, this product is known for its quality and taste, making it a popular choice for many fitness enthusiasts. However, it's important to note that protein content isn't the only factor to consider when choosing a protein powder, as other factors such as ingredient quality, taste, and cost should also be taken into account.
Which protein powder at Costco is the best for building muscle?
Costco offers a variety of protein powders that claim to help build muscle. However, the best one for you depends on your individual needs and preferences. Whey protein is one of the most popular and effective protein powders for muscle building. Optimum Nutrition Gold Standard 100% Whey Protein is a highly rated option at Costco. It contains high-quality whey protein isolate and concentrate, which provide all nine essential amino acids necessary for muscle growth and repair. Plus, it has a low amount of sugar and fat, making it a good choice for those watching their calorie intake. Another option is MusclePharm Combat Protein Powder, which contains a blend of five different types of protein, including whey protein isolate and concentrate, and casein. This blend provides a sustained release of amino acids, which can help support muscle growth and recovery. Ultimately, it is important to choose a protein powder that fits your individual goals, dietary needs, and taste preferences.
Which protein powder is the most affordable at Costco?
Costco offers a variety of protein powders at affordable prices. However, the most affordable option at Costco would depend on the specific brand and type of protein powder that you are looking for. Costco offers protein powders from well-known brands such as Optimum Nutrition, MusclePharm, and Vega, among others.
Optimum Nutrition's Gold Standard Whey Protein Powder is a popular option at Costco, and it is known for its affordability and quality. It comes in a variety of flavors and sizes, and the cost per serving is reasonable. Another great option is MusclePharm Combat Protein Powder, which is also available at Costco and is known for its high protein content and reasonable price.
In addition, Costco offers its own brand of protein powder, called Kirkland Signature, which is known for its affordability and quality. Kirkland Signature's protein powder is a blend of whey protein concentrate and isolate and is available in vanilla and chocolate flavors.
Overall, Costco has a wide selection of affordable protein powders to fit any budget, and it's worth checking out the different options to see which one works best for you.