Are you trying to find whey protein isolate among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling whey protein isolate on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 26 hours of research and did 32 whey protein isolate tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best whey protein isolate you can buy today
- 5LBS Of Unflavored, Instantized Whey Protein Isolate Powder.
- 65 Servings of the Best, Undenatured, Whey Protein Isolate Per Bottle
- 30 Grams of Protein Per Serving (Scoop Included)
- Non-GMO & Gluten Free
- Manufactured In a GMP Compliant, FDA Registered Facility
- Dymatize ISO100 Gourmet Vanilla Protein Powder (20 Servings)
- Scientifically formulated with fast-digesting hydrolyzed whey protein isolate
- 25 grams of protein, which includes 5.5 grams of branched-chain amino acids (BCAAs), & 2.6 grams of Leucine per serving
- 1g of fat & sugar per serving.
- Gluten free with less than 1g lactose
- Packaging May Vary.
- Packaging May Vary - New look, with the same trusted quality
- GOLD STANDARD 100% WHEY BLEND – 24g blended protein consisting of whey protein isolate, whey protein concentrate, and whey peptides to support lean muscle mass – they don't call it the GOLD STANDARD of quality for nothing
- OVER 5G OF BCAAS – help build lean and strong muscles with naturally occurring BCAAs
- 3-4G CARBS, 1-3G SUGAR, AND 1-1.5G FAT, GLUTEN FREE, No Sucralose in Double Rich Chocolate Flavor
- INSTANTIZED – improves mixability to prevent lumps and clumps
- BANNED SUBSTANCE TESTED – highest quality control measures so you feel comfortable and safe consuming the product
- 8 SIZES TO CHOOSE FROM – 1, 2, 5, and 10-pound options available
- OVER 20 DECADENT FLAVORS TO CHOOSE FROM
- ANY-TIME FORMULA – great before or after exercise, between meals, with a meal, or any time of day where you need extra protein in your nutrition
- Most Awarded, Best-Selling Whey Protein Powder On The Planet
- NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics.
- PROTEIN POWDER WITH BCAAs: Whey Protein Isolate is a high-quality protein that is both bioavailable and easily digested.
- UNFLAVORED: Mix one level scoop into your daily smoothie for 25 g of protein per serving.
- GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation).
- Packaged in the USA by a family owned and operated company since 1968.
- Naturally Flavored Clean Protein Powder: Made from naturally-fed, hormone-free whey, free of artificial sweeteners, food dyes, gluten, and preservatives. Transparent Labs 100% Grass-Fed Whey Protein Isolate is one of the cleanest proteins on the market.
- 28g of Protein Per Serving: Transparent Labs Whey Protein Isolate is sourced from 100% grass-fed, grass finished American dairy cattle. It contains one of the industry’s highest protein-by-weight ratios, and packs 28g of protein per serving with minimal sugar or fat.
- Enhance Recovery, Increase Strength: Transparent Labs 100% Grass-Fed Whey Protein Isolate gives you a highly bioavailable protein that is light on the stomach and goes down easily. This is the perfect protein for those who want to support recovery and promote muscle growth, while promoting overall health and longevity.
- Contains All Nine Essential Amino Acids: Protein is made up of amino acids, which are the building blocks of muscle proteins. Depending on where your protein comes from, it will contain different amounts of the various building blocks. All of our protein powders contain all nine essential amino acids in a balanced ratio to support muscle protein synthesis, so you can trust that our protein powders will help you reach your muscle building and fitness goals.
- Easily Digestible & Rapidly Absorbed: There’s nothing worse than the digestive discomfort often associated with trying to increase your protein intake. Our protein powder is designed with your digestive health in mind. No more bloating, gas, or digestive woes - just pure protein goodness that your body can readily utilize.
- Maximize your Potential: Enhance your active lifestyle with our Whey Protein Isolate powder, an tasteless protein powder, designed to support your strength and performance goals. Each serving delivers a substantial 30 grams dose, catering to both fitness enthusiasts looking to push their limits.
- Versatile Protein Source: Whether you're an athlete, a sprinter, or someone simply looking to stay active, our Whey Isolate Protein powder, an unflavored protein powder, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences, especially not for people with dairy sensitivities.
- Optimized in every Serving: Our Whey Protein Isolate powder, one of our Whey Protein powder, is unflavored and contains dairy, but also offering you a high-quality product that easily integrates with other supplements or your preferred shake or beverage.
- Transparent and Trustworthy: Experience the confidence that comes with choosing a supplement that not only meets rigorous third-party testing but also upholds the principles of clarity and integrity in its formulation and production.
- Commitment to Excellence: Produced in a facility compliant with strict cGMP standards, our Whey Protein Isolate, one of our protein powder unflavored, stands as a testament to our dedication to quality. You can trust in our product's consistency and excellence, batch after batch.
- Premium Whey Protein Isolate - Loaded with the highest quality protein sources, Animal Whey delivers a potent punch of 25 grams of protein per serving. Fast absorbing & high bioavailability to support muscle growth and recovery
- Gentle on the Gut, Big on Results - Packed with enzymes to optimize nutrient absorption and digestion. Experience the difference as each scoop goes to work, delivering unparalleled results without the discomfort or stomach bloating
- Amazing Taste Profile - Who said healthy can't be delicious? Animal Whey boasts irresistible flavors that are easy to mix, leaving no clumps behind. Enjoy every sip of creamy goodness, which leaves you craving more
- High Bioavailability Whey Protein - Each scoop of Animal Whey contains 25 grams of highly bio-available whey protein Our whey protein powder helps repair muscle tissue and reduces post-workout soreness so you can get back to the gym sooner
- High Quality Supplements - Animal Whey is manufactured in the United States in our own facilities We control the quality from start to finish, so you know exactly what is on the label, is what's in the bottle
- High Quality Hydrolyzed & Ultra-Filtered Whey Protein Isolate
- 25 Grams of Protein Per Serving
- 5.5 Grams of Naturally Occurring BCAAs per Serving
- 1 Gram of Carbohydrates Per Serving
- Banned Substance Tested
- Massive Protein Boost: Fuel your body with 60g of high-quality protein and 12g of BCAAs per two (2) scoops. Perfect for serious athletes and fitness enthusiasts looking to build and repair muscle.
- Pure & Clean Protein: Made from 100% ultra-filtered isolate protein, this powder delivers a clean, fast-absorbing source of protein without unnecessary fillers or additives.
- Bigger Value, Longer Supply: Now available in a 3lbs size, giving you more servings per container. Ideal for consistent daily use, whether post-workout or as part of your meal plan.
- Ultimate Muscle Recovery: The 12g of BCAAs (Branched-Chain Amino Acids) support quicker recovery, reduce muscle soreness, and help you get back to your training faster.
- Easy Mixing & Great Taste: This powder blends smoothly with water or your favorite drink, providing a delicious, convenient way to get your daily protein intake. Perfect for shakes, smoothies, or baking recipes.
- Grass-Fed Whey Protein Isolate
- 2LBS of Undenatured Grass-Fed Whey Protein Isolate Per Bottle
- Unflavored, Pure Whey Protein Isolate
- rBGH Free, Non-GMO & Gluten Free
- Made in a GMP Compliant, FDA Registered Facility
- LEAN MUSCLE POTENTIAL: Each scoop of Sports Research U.S. sourced Whey Protein Powder contains 25g of protein and 6.9g of BCAAs for a standout way to build and maintain lean muscle and support—free of xantham gum and artificial sweeteners.*
- NUTRIENT-RICH INGREDIENTS: Our whey isolate protein powder is non-GMO verified, gluten-free & soy-free, and enhanced with Vitamin D, and 1,000mg of L-Leucine, with only 150 calories and less than 1g of sugar per serving.
- SHAKE, BLEND & BAKE: Our formula with easily-mixable whey is made to prevent clumping, making it perfect for a protein shake or as a smoothie protein powder. It can serve as added protein for baking or as an extra protein boost in coffee creamer.
- RICH VANILLA TASTE: Formulated using natural flavors, our Whey Protein Powder is available in a delicious creamy vanilla flavor we know you’ll love. It’s a flavorful boost to any recipe or routine.
- THE SPORTS RESEARCH DIFFERENCE: Founded in 1980, Sports Research is a family-owned business born from a passion for fitness and wellness. Our goal is to embrace the sport of life research-backed products created for every body–inside and out.
- MADE FROM HAPPY GRASS-FED, HORMONE-FREE COWS - Whey protein derived from conventional dairy farming may contain harmful substances since the cows can be subject to hormonal and antibiotic use, which may be stored in the human body and can affect the overall nutritional composition of the whey. Our whey comes from completely hormone-free cows, who get to freely graze on pasture at least 350 days a year, producing high-quality, more nutrient-dense whey isolate protein.
- LOW-LACTOSE, UN-DENATURED, WITHOUT SUGAR OR PRESERVATIVES - Our unflavored 100% grass fed whey protein isolate powder is low lactose, un-denatured (pure, with properly functioning proteins without any structural deformation, intact with all bioavailable nutrients and constituents), it does not have any added sugar, sweeteners, preservatives, colors, or flavorings. Low-temperature drying techniques give it a better taste and texture compared to ordinary whey protein.
- NO UPSET STOMACH – Simple ingredients means no upset stomach! Our ingredient list is 99% pure isolate protein powder and less than 1% non-GMO sunflower lecithin for easy mixing. You're getting the essential nutrients your body needs to thrive without any artificial fillers or flavors to get in the way.
- 28 GRAMS OF DELICIOUS ISOLATE WHEY PROTEIN - Opportuniteas offers the highest protein concentrations ensuring you get the protein your muscles need. Isolate Whey is processed to reduce its fat and lactose content, leaving mainly protein. If you are striving to build lean muscle, recover faster, or simply live a healthier lifestyle, this is for you. Don't worry about clumps; mix it in hot or cold drinks, or add it to your cooking or baking recipes. Enjoy it and elevate your well-being.
- MADE THE RIGHT WAY - At Opportuniteas we make effective, transparent, and affordable products you can confidently recommend to your family. We are committed to making a positive impact on people and our planet. As a proud member of the 1% for the Planet network we donate 1% of our profits to help solve our planet’s most pressing issues. If you don't love our product, we offer a no-questions-asked full refund.
- Optimum Nutrition - Platinum Level
- 30 g Protein
- 15.5 g^ Essential Amino Acids
- 8.8 g^ BCAAs
- Naturally and Artificially Flavored
- One 1 lb bag (15 servings) of Isopure 100% pure whey isolate protein powder in delicious Creamy Vanilla flavor
- 25 grams of 100% pure whey protein isolate powder is the ideal choice for men and women looking to maintain a high-protein intake to meet their daily protein needs
- Stick to your wellness goals with a zero carb protein powder designed to help you maximize your protein needs without adding unnecessary carbs to your daily meals
- With 0 grams of sugar, this creamy vanilla flavored whey protein powder still tastes delicious when mixed with 6-8 fl oz of your favorite beverage
- Supporting everyday nutrition is easy for any lifestyle thanks to the blend of 8 ingredients in Isopure’s keto friendly protein supplement powder
- One 1 lb bag (16 servings) of Isopure 100% pure whey isolate protein powder to help support daily health and overall wellness; no flavor added
- 25 grams of 100% pure whey protein isolate powder is the ideal choice for men and women looking to maintain a high-protein intake to meet their daily protein needs
- Stick to your wellness goals with a zero carb protein powder designed to help you maximize your protein intake without adding unnecessary carbs to your daily meals
- Mix this sugar free whey protein powder with 6-8 fl oz of your favorite flavored beverage in a shaker or blender for a daily protein boost
- Supporting everyday nutrition is easy for any lifestyle thanks to the blend of 8 ingredients in Isopure’s keto friendly protein supplement powder
- 💯 𝗣𝘂𝗿𝗲 𝗪𝗵𝗲𝘆 𝗣𝗿𝗼𝘁𝗲𝗶𝗻 𝗜𝘀𝗼𝗹𝗮𝘁𝗲: Our Whey Isolate Protein Powder stands out with its undenatured quality. Cold processed from raw milk, it’s only pasteurized once at 163°F for 15 seconds. Unlike most whey proteins that are pasteurized twice, our unique process preserves superior protein profile, delivering high biological value, crucial amino acids and natural immune support. Free from additives and artificial sweeteners, it's your purest choice for fitness and wellness goals.
- 🎯 𝗘𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗔𝗺𝗶𝗻𝗼 𝗔𝗰𝗶𝗱𝘀: Rich in essential amino acids, the fundamental components of protein, our Ultra Whey Protein Isolate powder supports cellular repair, muscle growth, immune function, glutathione production, and overall health, delivering the highest quality nutrition in every scoop!
- 💪 𝗢𝗽𝘁𝗶𝗺𝗮𝗹 𝗗𝗮𝗶𝗹𝘆 𝗣𝗿𝗼𝘁𝗲𝗶𝗻 𝗜𝗻𝘁𝗮𝗸𝗲: Achieve your daily protein requirements and reach your fitness goals with our premium whey protein isolate, delivering 28g of protein and essential amino acids per serving to boost muscle growth, exercise performance, and healthier lifestyle.
- 🥛 𝗩𝗲𝗿𝘀𝗮𝘁𝗶𝗹𝗲 𝗣𝗿𝗼𝘁𝗲𝗶𝗻 𝗕𝗹𝗲𝗻𝗱: Our Whey Protein Isolate is unflavored and unsweetened, perfect for a seamless blend into smoothies, shakes, baking, and cooking. It's ideal for various dietary preferences, offering a convenient way to boost your protein intake without altering the taste of your favorite recipes and beverages.
- 🐄 𝗣𝗿𝗲𝗺𝗶𝘂𝗺 𝗤𝘂𝗮𝗹𝗶𝘁𝘆: Z Natural Foods' Ultra Whey Protein Isolate is made from high-quality, natural ingredients that are free from GMO, hormones, and chemicals to ensure you get maximum protein content with minimal carbs and fats for a healthy, balanced lifestyle.
- Native Whey Protein Powder Isolate Blend - The least-processed vanilla whey protein available today, naturally higher in leucine for muscle synthesis. Mixes silky smooth every time with just cold water.
- 25g Protein Per Scoop - 5.5g Naturally Occurring BCAAs, and a clean, minimalist ingredient list. Certified Gluten Free and Informed Choice Certified. Lightly sweetened with stevia leaf extract.
- Designed for Post Workout Recovery - Supports fitness goals with pure whey that rapidly digests to fuel muscle growth and recovery. A protein smoothie essential.
- 0g of Added Sugar, Zero Artificial Flavors and Sweeteners - Clean, pure protein that easily fits low carb and keto diets. Perfect for recipes & baking high protein snacks.
- 4 LB Bulk Whey Protein Powder with included scoop - Simple collapsible bag packaging for easier storage in small or irregular cabinets and drawers.
- Ideal Whey Protein Powder Isolate Supplement: NutraBio 100% Whey Isolate, with minimal carbs and zero fat, is perfect for athletes, diet-conscious individuals, if you’re following a keto regimen, or if you’re striving to build lean muscle mass.
- Low Calorie: Whey Protein Powder Isolate is primarily used as a dietary supplement with 25G of protein per scoop. Both Men and Women aiming to increase their protein often use it to meet nutritional needs and help support muscle health
- Easy Mixing: Mix each scoop of Whey Protein Powder Isolate with 5-6 ounces of water, milk, or your beverage of choice. Enjoy in the morning, post-workout, or anytime you want a high-quality, low calorie, high-protein drink!
- High Quality Ingredients: NutraBio uses only the best, and our Whey Protein Powder Isolate is no exception. We use the purest isolate available. Our protein is also non-GMO, soy free, low carb, low calorie, low cholesterol, certified kosher dairy, and halal.
- Full Label Disclosure and Transparency: NutraBio Whey Protein Powder Isolate offers full label disclosure and no proprietary blends. This supplement delivers 25 grams of pure isolate protein powder, free from inferior proteins or fillers, setting the standard for quality and integrity.
- 💪 Pure Protein Powerhouse: Our unflavored whey protein isolate boasts an impressive 90% protein content and 7.5g BCAAs per serving, making it an ideal choice for fitness enthusiasts and athletes looking to fuel their workouts and recovery with high-quality protein.
- 🌿 Grass-Fed Cows: Sourced exclusively from grass-fed & rBST/rBGH free cows in the lush pastures. Say goodbye to artificial additives and embrace the natural benefits of our product.
- ✅ Quality You Can Trust: Manufactured in the USA by a GMP compliant facility, our whey protein isolate is produced under strict quality control measures to ensure purity and potency. You can trust that you're getting a top-notch product every time.
- 🌟 Versatile and Customizable: With no added flavors or sweeteners, our unflavored whey protein isolate provides a blank canvas for your creativity. Mix the smooth, creamy powder into your favorite smoothies, recipes, or even plain water/milk for a protein boost that suits your unique taste. At 99% Lactose-Free, it won't hurt your tummy either!
- 🏋️♂️ Support Your Fitness Goals: Whether you're looking to build lean muscle, recover after a workout, or simply increase your daily protein intake, our whey protein isolate is a versatile and convenient way to support your fitness goals. Fuel your body with the protein it deserves, without unnecessary additives or fillers.
How to choose a good whey protein isolate
Does the idea of finding a fantastic whey protein isolate make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in whey protein isolate. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top whey protein isolate products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top whey protein isolate on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top whey protein isolate brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top whey protein isolate based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the whey protein isolate were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good whey protein isolate, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your whey protein isolate.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting whey protein isolate for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our whey protein isolate. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what whey protein isolate should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on whey protein isolate.
