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 |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.10 | ❌ | ❌ | ❌ |
PROSTAR YOUR WHEY – Prostar 100% Whey is a low carb, low sodium, American-made whey protein powder with 25 grams of premium quality protein and 6 grams of BCAAs
FOR ATHLETES AND BEGINNERS – Our protein powder fits the needs of men and women who are seasoned athletes or beginners embarking on their fitness journey
TASTE THE DIFFERENCE – Prostar comes in 14 delicious flavors including unflavored. Try Prostar whey protein in chocolate or vanilla for a classic tasting protein shake, or treat yourself to our gourmet flavors like cocoa mocha, mango, raspberry or NEW chocolate birthday cake
MIXES INSTANTLY – Prostar 100% Whey doesn’t clump and mixes instantly in a blender, shaker bottle or glass
MICRO-FILTERED - Prostar 100% Whey utilizes a proprietary micro and ultra-filtration process to ensure the highest quality whey protein powder.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
PROSTAR YOUR WHEY – Prostar 100% Whey is a low carb, low sodium, American-made whey protein powder with 25 grams of premium quality protein and 6 grams of BCAAs
FOR ATHLETES AND BEGINNERS – Our protein powder fits the needs of men and women who are seasoned athletes or beginners embarking on their fitness journey
TASTE THE DIFFERENCE – Prostar comes in 14 delicious flavors including unflavored. Try Prostar whey protein in chocolate or vanilla for a classic tasting protein shake, or treat yourself to our gourmet flavors like cocoa mocha, mango, raspberry or NEW chocolate birthday cake
MIXES INSTANTLY – Prostar 100% Whey doesn’t clump and mixes instantly in a blender, shaker bottle or glass
MICRO-FILTERED - Prostar 100% Whey utilizes a proprietary micro and ultra-filtration process to ensure the highest quality whey protein powder.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 5.65 | ❌ | ❌ | ❌ |
PROSTAR WHEY: Prostar Whey is a low carb, low sodium, American-made whey protein powder with 25 grams of quality whey protein isolate, whey protein concentrate, and whey peptide blend, and 6 grams of BCAAs.Whey protein is generally safe and can help you build muscle and strength, lose weight, reduce your appetite and help improve your metabolism.
IDEAL FOR ATHLETES AND BEGINNERS: Our protein powder fits the needs of men and women who are seasoned athletes or beginners embarking on their fitness journey and improving athletic performance and increasing strength. Regularly consuming whey protein increases muscle strength and athletic performance.
TASTE THE DIFFERENCE: Protein powder comes in 14 delicious flavors including, unflavored. Try this whey protein in chocolate or vanilla for a classic-tasting protein shake, or treat yourself to our gourmet flavors like cocoa mocha, mango, raspberry, or NEW chocolate birthday cake.
MIXES INSTANTLY: Whey protein doesn’t clump and mixes instantly in a blender, shaker bottle, or glass to make the protein shake or smoothie.A shake is most effective at helping to build muscle if drunk shortly after a workout.
MICRO-FILTERED: Prostar Whey utilizes a proprietary micro and ultra-filtration process to remove the larger particles and may remove some viruses to ensure the quality of whey protein powder. Micro-filtered whey protein isolates offer fast-release amino acids that are rapidly absorbed.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 5.65 | ❌ | ❌ | ❌ |
PROSTAR YOUR WHEY – Prostar 100% Whey is a low carb, low sodium, American-made whey protein powder with 25 grams of premium quality protein and 6 grams of BCAAs
FOR ATHLETES AND BEGINNERS – Our protein powder fits the needs of men and women who are seasoned athletes or beginners embarking on their fitness journey
TASTE THE DIFFERENCE – Prostar comes in 14 delicious flavors including unflavored. Try Prostar whey protein in chocolate or vanilla for a classic tasting protein shake, or treat yourself to our gourmet flavors like cocoa mocha, mango, raspberry or NEW chocolate birthday cake
MIXES INSTANTLY – Prostar 100% Whey doesn’t clump and mixes instantly in a blender, shaker bottle or glass
MICRO-FILTERED - Prostar 100% Whey utilizes a proprietary micro and ultra-filtration process to ensure the highest quality whey protein powder.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
BEEF PROTEIN ISOLATE: This is the leading high protein beef-based powder. It contains a lower bioavailability and lower leucine content. Filtered from gelatinized beef hydrolysate and lactose-free beef protein isolate powder with 24 grams of high-quality protein in every serving.
No FAT NO CARBS NO SUGAR:It is a fat-free, gluten-free, sugar-free, and contains no carbs or soy. It eliminates almost all carbs and encourages high intakes of fat and protein.
LOW CALORIE: Carnebolic contains fewer calories than any other brand of beef protein powder - this low-calorie protein powder contains only 99.9 calories per serving.
POST WORKOUT PROTEIN POWDER:After your workout, take Carnebolic beef protein isolate with 8 ounces of water in a shaker bottle or glass. For Better results, take Protein up to 4 times per day for maximum muscle growth. Use of protein powder to speed up recovery from muscle soreness after exercise.
QUALITY IS A PRIORITY:It is a hydrolyzed beef protein isolate with an 86% protein concentration. Whey isolates and concentrates are use after a workout.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
POWER OF PROSTAR : With every serving of this keto shakes you get 23 grams of muscle pumping protein. Protein helps to repair body cells and builds muscles and bones. With ingredients like whey protein, Cirtic Acid, Sucralose, Soy Lecithin this powder helps to give you a ready source of fuel to improve training ability.
AMINO ACID INTAKE : Ultra-filtration produces bio-active whey that is non-denatured and includes essential amino acids (EAAs) and branched chain amino acids (BCAAs).BCAAs help rebuild muscles stronger and leaner. This iso protein powder features 6 grams of BCAAs in every serving to fuel your recovery and get you back in the gym.
A KETO POWDER FOR YOU : Iso Cool is a supplement fits for your diet that contains no sugar, no carbs, and no fat. It is a keto friendly powder that helps keep you feeling full between meals to support your weight management efforts. A ketogenic powder you and your body will love.
COLDPURE ULTRA-FILTRATION PROCESS : This protein shake powder is produced through an advanced ColdPureultra-filtration process. ColdPure ultra-filtration isolates the native whey protein in a highly bio-active form, using a low-temperature filtration. After the filtration process, only the pure protein isolate is left with no carbs, fat or sugar.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
SUGAR, CARB, AND FAT FREE - Iso Cool is made with cutting edge microfiltration technology. After the protein is filtered, all that's left is pure protein isolate with 0 Carbs, 0 Fat, and 0 Sugar
KETO FRIENDLY WHEY PROTEIN - Iso Cool contains no sugar, no carbs, and no fat - just 100% great tasting keto friendly whey protein that you and your body will love
CLEAN MUSCLE RECOVERY - Branched Chain Amino Acids (BCAAs) help rebuild muscles stronger and leaner. That's why Iso Cool features 6 grams of BCAAs in every serving to fuel your recovery and get you back in the gym
23 GRAMS OF PROTEIN - Each delicious scoop of fat free Iso Cool protein powder contains 23 grams of muscle pumping protein
40 YEARS IN THE MAKING - Ultimate Nutrition is celebrating our 40th anniversary this year. Since 1979, we've been prefecting the taste and architecture of our athlete-approved protein and amino supplements
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
NATURAL GAINER PROTEIN POWDER - Natural Gainz is the best source of protein for weight gainers without the additives. Natural Gainz uses a unique blend of protein, non-fat dry milk, casein, oat fiber and avocado oil to help you meet your weight gain goals without the bloating and artificial ingredients
PREMIUM BLEND - This powerful, natural blend consists of whey protein isolate, milk protein isolate, whey peptides, and WPC80
AMINO ACID PROFILE - Natural Gainz delivers a premium array of muscle building essential amino acid and BCAAs that are absorbed by your body at an optimized rate
NO ADDED SUGARS - Natural Gainz doesn't contain any acesulfame, sucralose, or added sugars
POWERFUL ANTIOXIDANTS - Avocado oil is the main source of healthy fats in Natural Gainz because of it's unique ability to maintain healthy cholesterol.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ultimate Nutrition, Inc. | 6.05 | ❌ | ❌ | ❌ |
HYDRO COOL WHEY PROTEIN ISOLATE: Hydro Cool is a fast-acting, ultra-pure hydrolyzed whey protein isolate (HWPI) blend of multiple degrees of hydrolysis. The process of hydrolysis helps in stimulating skeletal muscle protein synthesis than the intact milk substrate when measured over six hours.
VITAL INGREDIENTS: Every scoop of Hydro Cool provides 33 grams of premium quality hydrolyzed whey protein isolate, over 15 grams of essential amino acids (EAA), and over 7.5 grams of branched-chain amino acids (BCAA).
DELICIOUS FLAVOURS: Hydro Cool mixes with ease and comes in delicious flavors such as Chocolate, Vanilla, Strawberry, and Cookies nʼ Cream. The fractions (peptides) are easily and quickly absorbed into the body and help to strengthen muscle tissue.
CURB YOUR APPETITE: Taking up Hydro Cool supplements helps you keep fuller and curb your appetite. This powder acts as an anabolic agent without hampering muscle development. It also helps to preserve your lean muscles while you are dieting and keeps you satiated for long.
INSTANT MIXES: Hydro Cool protein doesn’t clump and mixes instantly in a blender, shaker bottle, or glass to make the protein shake or smoothie. This shake is known for helping to build muscle.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Ultimate Nutrition | 9 |
We've carried out a comprehensive analysis of 29,955 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 $43.00, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 9 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.
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