Best Soy Free Whey Protein Isolate in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 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 |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: With GNC AMP Wheybolic Protein, you get an enhanced muscular performance formula between meals, on non-training days, or before and after workouts. This contains ultra-pure, fast-digesting whey protein isolate (40g Protein) with hydrolysate contributing to muscle growth, recovery, and an improved strength training response.
DRIVEN BY RESULTS: Our blend contains essential BCAA's, which help fuel anabolic muscle support, performance, and recovery. It may increase muscle strength and size by up to 30% in just eight weeks.
ENHANCED WHEYBOLIC: GNC Wheybolic gives you an advanced approach to performance nutrition. Our formula has 40g of protein, 15g BCAA, 10g Leucine for strength and endurance, plus 400 mg Hydrolysate Protease Enzyme blend to improve digestion. With added Velositol, a muscle protein synthesis accelerator.
FORMULATION: A gluten-free, flavored protein powder made in several delicious flavor profiles that easily mix into 8 fl. oz. of cold water or any other beverage. Consume first thing in the morning, pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ❌ | ❌ | ❌ |
ABOUT THE PRODUCT: With GNC AMP Wheybolic Protein, you get an enhanced muscular performance formula between meals, on non-training days, or before and after workouts. This contains ultra-pure, fast-digesting whey protein isolate (40g Protein) with hydrolysate contributing to muscle growth, recovery, and an improved strength training response.
DRIVEN BY RESULTS: Our blend contains essential BCAA's, which help fuel anabolic muscle support, performance, and recovery. It may increase muscle strength and size by up to 30% in just eight weeks.
ENHANCED WHEYBOLIC: GNC Wheybolic gives you an advanced approach to performance nutrition. Our formula has 40g of protein, 15g BCAA, 10g Leucine for strength and endurance, plus 400 mg Hydrolysate Protease Enzyme blend to improve digestion. With added Velositol, a muscle protein synthesis accelerator.
FORMULATION: A gluten-free, flavored protein powder made in several delicious flavor profiles that easily mix into 8 fl. oz. of cold water or any other beverage. Consume first thing in the morning, pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: With GNC AMP Wheybolic Protein, you get an enhanced muscular performance formula between meals, on non-training days, or before and after workouts. This contains ultra-pure, fast-digesting whey protein isolate (40g Protein) contributing to muscle growth, recovery, and an improved strength training response.
DRIVEN BY RESULTS: Our blend contains essential BCAA's, which help fuel anabolic muscle support, performance, and recovery. It may increase muscle strength and size by up to 30% in just eight weeks.
ENHANCED WHEYBOLIC: GNC Wheybolic gives you an advanced approach to performance nutrition. Our formula has 40g of protein, 15g BCAA, 10g Leucine for strength and endurance, plus 400 mg Hydrolysate Protease Enzyme blend to improve digestion. With added Velositol, a muscle protein synthesis accelerator.
FORMULATION: A gluten-free, flavored protein powder made in several delicious flavor profiles that easily mix into 8 fl. oz. of cold water or any other beverage. Consume first thing in the morning, pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: GNC AMP Sustained is an innovative dietary supplement containing four protein sources, including native whey isolate, micellar casein, egg whites, and whey hydrolysate, delivering seven hours of sustained protein release throughout the day.
MUSCLE FUEL: Our unique blend harnesses the power of two distinct protein sources; Rapid release protein for immediate muscle fuel and 7-hour sustained protein for on-demand muscle fuel, support, and recovery. Our formula delivers the complete range of protein your body requires to perform like never before.
DRIVEN BY RESULTS: Our ripped whey protein blend delivers essential BCAA's, fueling anabolic muscle support, performance, and recovery. It has shown increased muscle strength and size by up to 30% in just eight weeks.
FORMULATION: Our recipe is gluten-free and offered in several delicious flavor profiles. It mixes easily into 8 fl. oz. of cold water or any other beverage. Consume in the morning and pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily. Do not consume close to bedtime.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: GNC AMP Whey Pure Isolate is a pure, fast-absorbing protein providing naturally occurring amino acids to support optimal muscle growth and performance. We created this with more than 20 steps to maximize protein quality and purity.
RESULTS DRIVEN: Whether your goal is building muscle or supporting recovery after a workout, our formula works with fast-dissolving, microfiltered whey protein isolates and BCAA's to fuel athletic strength and performance.
ULTRA-CLEAN: Get the same high-quality protein used by athletes, trainers, and fitness gurus. GNC AMP Protein Isolate contains 25g of protein and has an advanced micro-filtering process removing unwanted impurities, so you get only the purest protein isolate available.
FORMULATION: Our formula supports your training intensity, recovery, and lean muscle growth. With 25g protein, 5g BCAAs, and 0g sugar, GNC AMP gives you the right building blocks so you can train harder and longer—every day, every rep.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.85 | ❌ | ❌ | ❌ |
ABOUT THE PRODUCT: GNC AMP Sustained is an innovative dietary supplement containing four protein sources, including native whey isolate, micellar casein, egg whites, and whey hydrolysate, delivering seven hours of sustained protein release throughout the day.
MUSCLE FUEL: Our unique blend harnesses the power of two distinct protein sources; Rapid release protein for immediate muscle fuel and 7-hour sustained protein for on-demand muscle fuel, support, and recovery. Our formula delivers the complete range of protein your body requires to perform like never before.
DRIVEN BY RESULTS: Our ripped whey protein blend delivers essential BCAA's, fueling anabolic muscle support, performance, and recovery. It has shown increased muscle strength and size by up to 30% in just eight weeks.
FORMULATION: Our recipe is gluten-free and offered in several delicious flavor profiles. It mixes easily into 8 fl. oz. of cold water or any other beverage. Consume in the morning and pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily. Do not consume close to bedtime.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: GNC AMP Wheybolic Ripped Whey Protein powers you to dominate even the most grueling workout containing ultra-pure, fast-digesting whey protein isolate and hydrolysates that contribute to muscle growth and recovery, as well as improved strength
DRIVEN BY RESULTS: Supports strength, performance and stamina, fuels anabolic muscle support and recovery, and helps fuel muscles while you recover from intense training
ENHANCED WHEYBOLIC: Our formula is an enhanced whey protein complex that includes 40g of premium, ultra-pure protein with 15g of BCAA, 6.2g of Leucine and 500mg of Velositol. Also, featuring caffeine, Capsimax & Niacin, supporting intense energy and mental focus
FORMULATION: This gluten-free powder formula provides great taste in a variety of flavors and is great for use before and after workouts and cardio sessions, as well as on non-training days and between meals
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.85 | ❌ | ❌ | ❌ |
ABOUT THE PRODUCT: GNC AMP Sustained is an innovative dietary supplement containing four protein sources, including native whey isolate, micellar casein, egg whites, and whey hydrolysate, delivering seven hours of sustained protein release throughout the day.
MUSCLE FUEL: Our unique blend harnesses the power of two distinct protein sources; Rapid release protein for immediate muscle fuel and 7-hour sustained protein for on-demand muscle fuel, support, and recovery. Our formula delivers the complete range of protein your body requires to perform like never before.
DRIVEN BY RESULTS: Our ripped whey protein blend delivers essential BCAA's, fueling anabolic muscle support, performance, and recovery. It has shown increased muscle strength and size by up to 30% in just eight weeks.
FORMULATION: Our recipe is gluten-free and offered in several delicious flavor profiles. It mixes easily into 8 fl. oz. of cold water or any other beverage. Consume in the morning and pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily. Do not consume close to bedtime.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ❌ | ❌ | ❌ |
It's Normal To Hit A Plateau During Your Weight Loss Journey. For An Extra Lift, Try Out Total Lean Lean Shake Burn
Supports Mental Focus
Get An Extra Boost From 200Mg Of Caffeine Per Serving
Enjoy 30G Of Whey Protein Isolate To Support Lean MusclePer Serving
Contains 6G Of Fiber Per Serving
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
Wheybolic Alpha Test & Power - Classic Vanilla Clinically proven to: accelerate results in as early as 2 weeks*, improve bench press by 23 lb. and leg extension by 17 lb., increase muscle endurance* USAGE BENEFITS For Pre-Workout & Cardio Clinically proven support for strength, power, performance & stamina for superior results* For Post-Workout & Cardio Provides fast-digesting whey isolate & hydrolysates plus leucine to fuel muscle support & recovery* On Non-Training Days & Between Meals
Enhanced to support testosterone levels & power*
40g Protein
15g EAA
6.2g Leucine
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ❌ | ❌ | ❌ |
BUILD MUSCLES^ WITH PROTEIN THAT DELIVERS EAA & BCAA: Fuel your goals with a protein powder featuring all 9 essential amino acids*.
WORK HARD, RECOVER HARDER*: Help your muscles build^ and recover* with 25g of high-quality protein per serving.
2-PART PROTEIN BLEND: Help cover the spectrum of your protein needs with a protein blend featuring whey protein isolate and whey protein concentrate.
BANNED SUBSTANCE FREE: All UNBREAKABLE PERFORMANCE fueled by GNC products are clean, formulated for performance and certified banned substance free♦.
PERFORMANCE THAT MAKES A DIFFERENCE: Every UNBREAKABLE purchase contributes to the incredible Merging Vets & Players program, a non-profit organization helping veterans and former professional athletes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ❌ | ❌ | ❌ |
BUILD MUSCLES^ WITH PROTEIN THAT DELIVERS EAA & BCAA: Fuel your goals with a protein powder featuring all 9 essential amino acids*.
WORK HARD, RECOVER HARDER*: Help your muscles build^ and recover* with 25g of high-quality protein per serving.
2-PART PROTEIN BLEND: Help cover the spectrum of your protein needs with a protein blend featuring whey protein isolate and whey protein concentrate.
BANNED SUBSTANCE FREE: All UNBREAKABLE PERFORMANCE fueled by GNC products are clean, formulated for performance and certified banned substance free♦.
PERFORMANCE THAT MAKES A DIFFERENCE: Every UNBREAKABLE purchase contributes to the incredible Merging Vets & Players program, a non-profit organization helping veterans and former professional athletes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ❌ | ❌ | ❌ |
RECOVER SMARTER AFTER PUSHING THROUGH YOUR TOUGHEST CHALLENGES: If you’re hitting the gym or hitting the bag, start helping your muscles build^ and recover* immediately after working out with whey isolates.
ULTRA-PURE PROTEIN POWDER: Get 25g of high-quality protein per serving—and only 110 calories.
NO ADDED SUGAR: If you’re craving serious flavor satisfaction but don’t want to compromise your macros, WHEY ISOLATE has zero added sugar.
BANNED SUBSTANCE FREE: All UNBREAKABLE PERFORMANCE fueled by GNC products are clean, formulated for performance and certified banned substance free♦.
PERFORMANCE THAT MAKES A DIFFERENCE: Every UNBREAKABLE purchase contributes to the incredible Merging Vets & Players program, a non-profit organization helping veterans and former professional athletes.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: With GNC AMP Wheybolic Protein, you get an enhanced muscular performance formula between meals, on non-training days, or before and after workouts. This contains ultra-pure, fast-digesting whey protein isolate (40g Protein) contributing to muscle growth, recovery, and an improved strength training response.
DRIVEN BY RESULTS: Our blend contains essential BCAA's, which help fuel anabolic muscle support, performance, and recovery. It may increase muscle strength and size by up to 30% in just eight weeks.
ENHANCED WHEYBOLIC: GNC Wheybolic gives you an advanced approach to performance nutrition. Our formula has 40g of protein, 15g BCAA, 10g Leucine for strength and endurance, plus 400 mg Hydrolysate Protease Enzyme blend to improve digestion. With added Velositol, a muscle protein synthesis accelerator.
FORMULATION: A gluten-free, flavored protein powder made in several delicious flavor profiles that easily mix into 8 fl. oz. of cold water or any other beverage. Consume first thing in the morning, pre or post-workout. For max results, reference usage benefits and consume two scoops twice daily.
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| GNC | 9.84 | ✅ | ✅ | ✅ |
ABOUT THE PRODUCT: GNC AMP Wheybolic Ripped Whey Protein powers you to dominate even the most grueling workout containing ultra-pure, fast-digesting whey protein isolate and hydrolysates that contribute to muscle growth and recovery, as well as improved strength
DRIVEN BY RESULTS: Supports strength, performance and stamina, fuels anabolic muscle support and recovery, and helps fuel muscles while you recover from intense training
ENHANCED WHEYBOLIC: Our formula is an enhanced whey protein complex that includes 40g of premium, ultra-pure protein with 15g of BCAA, 6.2g of Leucine and 500mg of Velositol. Also, featuring caffeine, Capsimax & Niacin, supporting intense energy and mental focus
FORMULATION: This gluten-free powder formula provides great taste in a variety of flavors and is great for use before and after workouts and cardio sessions, as well as on non-training days and between meals
ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We are committed to meeting the highest standards while applying the most up-to-date advances in nutritional science. Above all else, GNC aims to inspire people to live well.
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Gnc | 15 |
We've carried out a comprehensive analysis of 8,083 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 $49.62, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 15 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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