Best Soy Free Whey Protein Isolate in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
100% CLEAR WHEY ISOLATE: Isopure Infusions is a 100% whey isolate protein powder that's been ultra hydrolyzed to mix clear & smooth.
20G OF PROTEIN IN EVERY SCOOP: Fast digesting & ultra pure, our Clear Whey Protein Isolate is an easy choice to help you meet your protein goals any time of day. This light, refreshing alternative to your typical thick, creamy protein shake is perfect post workout, in between meals, or on the go!
ONLY 5 INGREDIENTS: With just 5 ingredients & no artificial flavors or colors, Isopure Infusions is the complete clean source of protein to add to your diet!
REFRESHING FLAVOR: Isopure Infusions Mixed Berry delivers a juicy, thirst quenching fruity burst of flavor making it tastier than ever to add more protein to your day.
SHAKE DON'T STIR: For best results, mix 1 scoop in 10-16 oz of cold water, shake & wait a minute or so for the natural foaming to clarify before drinking.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ❌ | ❌ | ❌ |
100% GRASS FED - Antler Farms New Zealand Whey Protein Isolate comes from naturally robust and healthy grass fed cows. Our cows live outdoors, where they should be. They are never confined to crowded, dirty feed lots.
MADE IN NEW ZEALAND - Our whey protein isolate is made from high grade dairy by cows raised in the beautiful Canterbury Plains of New Zealand. Our great tasting whey protein isolate uses only 100% grass fed whey protein isolate and other all natural ingredients.
COLD PROCESSED - Our advanced cold processing technology preserves the biological nature of protein (undenatured), increase the protein concentration, and removes lactose and fat. Each serving has 26g of highly bioavailable and rapidly absorbed protein with zero sugar, carbs, or fat.
PURE, CLEAN PROTEIN - Antler Farms New Zealand Whey Protein Isolate a pure, ultra clean protein powder. There are no growth hormones, antibiotics, chemical residues or GMOs. There are absolutely no fillers, artificial colors, flavors, or sweeteners.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ❌ |
Product 1: 125mg caffeine per 16.9 oz. Bottle (naturally sourced from green coffee beans)
Product 1: Certified OU-D Kosher, Gluten Free, lactose free, no artificial flavors, preservative free and BPA-free
Product 1: Provides All 9 essential amino acids and has a Protein Digestibility Amino Acid Score (PDCAAS) of 1.0, the highest quality score a food protein can have
Product 1: 15g Whey protein isolate, 0g Sugar, 70 Calories, 2g carbs
Product 2: 15g whey protein isolate, 0g sugar, 60 calories, 0g carbs
Product 2: Ion-exchange whey protein isolate rich in BCAAs
Product 2: Highest Leucine content of any known protein, necessary for muscle protein synthesis
Product 2: Certified OU-D Kosher, gluten free, lactose free, ingredients may vary, preservative free and BPA-Free
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Bluebonnet Nutrition | 9.95 | ✅ | ✅ | ✅ |
PROTEIN POWER BOOST - Whey protein powder sourced from happy grass-fed cows that have not been treated with and antibiotics, recombinant bovine growth hormones (rBGH), or bovine somatotropin (BST). Each serving delivers 26 grams of 98% lactose free crossflow microfiltered whey, a delicious way to power up your favorite drinks, smoothies or meals.
IMMUNITY BOOST - Made with high-quality, microfiltered whey protein isolate containing important immunoglobulins, which helps to give the immune system a supporting boost. Whey is also a rich and source of branched chain amino acids (BCAAs) and glutamic acid.
PRE-WORKOUT FUEL - A favorite among athletes, a pre-workout fuel up which supports muscle growth and development. Additionally, whey protein has the highest biological value (BV) of any protein on the market, which refers to a protein that has all of the essential amino acids in adequate quantities to sustain growth and development.
ONLY THE BEST INGREDIENTS - Made with exceptional raw materials to produce premium-quality, supplements for maximum bioavailability and absorption to help achieve the desired health benefits. Each ingredient in our formulas has undergone tests to verify that they are free of microbes, pollutants, and heavy metals. Our supplements are subjected to stringent examinations for potency, uniformity, disintegration and dissolution.
ECO-FRIENDLY PRODUCTS - This product is non-GMO, gluten-free, dairy-free and does not contain milk, egg, yeast, barley, rice, sugar, corn, sodium, crustacean shellfish, tree nuts, peanuts, wheat or soybeans. Made without artificially-derived colors, flavors or sweeteners and unnecessary binders, fillers or additives to maintain nutrient integrity. Delivered in 100% recyclable packaging.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Designer Wellness | 9.90 | ✅ | ✅ | ❌ |
BUNDLE INCLUDES 24 SMOOTHIES: 4 Mixed Berries, 4 Strawberry Bananas, 4 Tropical Fruits, and 12 Peach Mango Protein Smoothies
2X PROTEIN VS SUGAR: Low carb, 12g whey protein isolate and naturally sweetened with real fruit blends; yogurt like consistency
HEALTHY ON-THE-GO OPTION: You can leave your protein powder at home with this healthy fruit & protein smoothie pouch for adults, kids, and all occasions; no refrigeration is needed
BALANCED NUTRIENTS: Includes MCT oil (healthy fats) for balanced nutrition and quick-burning sustained energy
HIGH-QUALITY INGREDIENTS & PACKAGING: Gluten-free, soy-free, and non-GMO ingredients; BPA-free packaging, zero added sugar, no artificial sweeteners, and no artificial flavors or colors
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Designer Wellness | 9.90 | ✅ | ✅ | ❌ |
BUNDLE INCLUDES 24 SMOOTHIES: 4 Mixed Berry, 4 Strawberry Banana, 4 Tropical Fruit, 4 Peach Mango, 4 Raspberry Passion Fruit, and 4 Blueberry Vanilla Protein Smoothies.
2X PROTEIN VS SUGAR: Low carb, 12g whey protein isolate and naturally sweetened with real fruit blends; yogurt like consistency
HEALTHY ON-THE-GO OPTION: You can leave your protein powder at home with this healthy fruit & protein smoothie pouch for adults, kids, and all occasions; no refrigeration is needed
BALANCED NUTRIENTS: Includes MCT oil (healthy fats) for balanced nutrition and quick-burning sustained energy
HIGH-QUALITY INGREDIENTS & PACKAGING: Gluten-free, soy-free, and non-GMO ingredients; BPA-free packaging, zero added sugar, no artificial sweeteners, and no artificial flavors or colors
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Designer Wellness | 9.89 | ✅ | ✅ | ❌ |
BUNDLE INCLUDES 24 SMOOTHIES: 4 Mixed Berry, 4 Strawberry Banana, 4 Tropical Fruit, & 12 Blueberry Vanilla Protein Smoothies.
2X PROTEIN VS SUGAR: Low carb, 12g whey protein isolate and naturally sweetened with real fruit blends; yogurt like consistency
HEALTHY ON-THE-GO OPTION: You can leave your protein powder at home with this healthy fruit & protein smoothie pouch for adults, kids, and all occasions; no refrigeration is needed
BALANCED NUTRIENTS: Includes MCT oil (healthy fats) for balanced nutrition and quick-burning sustained energy
HIGH-QUALITY INGREDIENTS & PACKAGING: Gluten-free, soy-free, and non-GMO ingredients; BPA-free packaging, zero added sugar, no artificial sweeteners, and no artificial flavors or colors
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Designer Wellness | 9.89 | ✅ | ✅ | ❌ |
BUNDLE INCLUDES 24 SMOOTHIES: 16 Strawberry Banana, 4 Mixed Berry, & 4 Tropical Fruit Designer Wellness Protein Smoothies
2X PROTEIN VS SUGAR: Low carb, 12g whey protein isolate and naturally sweetened with real fruit blends; yogurt like consistency
HEALTHY ON-THE-GO OPTION: You can leave your protein powder at home with this healthy fruit & protein smoothie pouch for adults, kids, and all occasions; no refrigeration is needed
BALANCED NUTRIENTS: Includes MCT oil (healthy fats) for balanced nutrition and quick-burning sustained energy
HIGH-QUALITY INGREDIENTS & PACKAGING: Gluten-free, soy-free, and non-GMO ingredients; BPA-free packaging, zero added sugar, no artificial sweeteners, and no artificial flavors or colors
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Designer Wellness | 4 |
| Antler Farms | 1 |
| Bluebonnet | 1 |
| Isopure | 1 |
| Protein2O | 1 |
We've carried out a comprehensive analysis of 26,037 reviews on whey protein isolate, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select whey protein isolate priced around $55.81, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 8 whey protein isolate for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right powders Products based on their needs, saving them considerable time when choosing which whey protein isolate to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
PickSmartly is dedicated to creating a platform designed to streamline your shopping experience, empowering you to make well-informed purchasing decisions with minimal time and effort. At the heart of our mission is the commitment to earning and maintaining the trust of our users, as we believe this to be fundamental to the services we provide.
When you engage with our websites, services, or tools, we or our approved service providers may utilize cookies to store information. This is done to enhance your user experience by making it more efficient, secure, and tailored to your preferences, as well as for marketing objectives.
We are an Amazon Associate and earn commissions from qualifying purchases. Our participation in the Amazon Services LLC Associates Program, an affiliate advertising initiative, provides us with a means to generate income through links to Amazon.com and its affiliated websites. Please note that Amazon, Amazon Prime, their logos, and the Amazon Prime logo are registered trademarks of Amazon.com, Inc., or its associated companies.
