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You are here: Home / Reviews / Best Sports Nutrition Soy Protein Powders

Best Sports Nutrition Soy Protein Powders

The best sports nutrition soy protein powders can be a lifesaver for athletes who are allergic to whey protein, have a sensitivity to dairy or can’t drink animal products for ethical reasons. Soy protein is a complete protein, meaning it contains all nine essential amino acids, and it’s a great alternative for those who have an aversion to animal products.

Read on to find our our pick of the best sports nutrition soy protein powders.

# Preview Product Price
1 NOW Foods Sports Nutrition, Soy Protein Isolate 20 g, 0 Carbs, Unflavored Powder, 2-Pound NOW Foods Sports Nutrition, Soy Protein Isolate 20 g, 0 Carbs, Unflavored Powder, 2-Pound Buy on Amazon
2 NOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound NOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound Buy on Amazon
3 BulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1) BulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten... Buy on Amazon
4 Nutricost Soy Protein Isolate Powder, 2 LB Unflavored - 10 Grams of Protein Per Serving, Vegan, GMO-Free & Gluten Free Nutricost Soy Protein Isolate Powder, 2 LB Unflavored - 10 Grams of Protein Per Serving, Vegan,... Buy on Amazon
5 NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF... Buy on Amazon
6 NAKED Whey Isolate Protein - Only 2 Ingredients, 30g Grass-Fed Protein, Zero Carb, Unflavored, Undenatured, Non-GMO, No Soy, Gluten-Free, No Preservatives - 28 Servings NAKED Whey Isolate Protein - Only 2 Ingredients, 30g Grass-Fed Protein, Zero Carb, Unflavored,... Buy on Amazon
7 NOW Foods Sports Nutrition, Pea Protein 24 g, Fast Absorbing, Unflavored Powder, 2-Pound NOW Foods Sports Nutrition, Pea Protein 24 g, Fast Absorbing, Unflavored Powder, 2-Pound Buy on Amazon
8 Optimum Nutrition Gold Standard 100% Plant Based Protein Powder, Gluten Free, Vegan Protein for Muscle Support and Recovery with Amino Acids - Creamy Vanilla, 20 Servings (Packaging May Vary) Optimum Nutrition Gold Standard 100% Plant Based Protein Powder, Gluten Free, Vegan Protein for... Buy on Amazon
9 Sports Research Whey Protein - Sports Nutrition Whey Isolate Protein Powder for Lean Muscle Building & Workout Recovery - 5 lb Bag Bulk Protein Powder 25g per Serving - Dutch Chocolate, 60 Servings Sports Research Whey Protein - Sports Nutrition Whey Isolate Protein Powder for Lean Muscle Building... Buy on Amazon
10 NOW Foods Sports Nutrition, Whey Protein Isolate, 25 g With BCAAs, Creamy Vanilla Powder, 5-Pound NOW Foods Sports Nutrition, Whey Protein Isolate, 25 g With BCAAs, Creamy Vanilla Powder, 5-Pound Buy on Amazon

Our Editor’s Best Sports Nutrition Soy Protein Powders Reviews

Bestseller No. 1
NOW Foods Sports Nutrition, Soy Protein Isolate 20 g, 0 Carbs, Unflavored Powder, 2-Pound
NOW Foods Sports Nutrition, Soy Protein Isolate 20 g, 0 Carbs, Unflavored Powder, 2-Pound
  • NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics
  • PURE PROTEIN POWDER: Soy Protein Isolate is a good vegetable source of high-quality complete protein that has an excellent amino acid profile
  • UNFLAVORED PROTEIN POWDER: Soy Protein Isolate is a good vegetable source of high-quality complete protein that has an excellent amino acid profile
  • 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)
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Buy on Amazon
Bestseller No. 2
NOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound
NOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound
  • NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics
  • PURE PROTEIN POWDER: Soy Protein Isolate is a good vegetable source of high-quality complete protein that has an excellent amino acid profile
  • UNFLAVORED PROTEIN POWDER: Soy Protein Isolate is a good vegetable source of high-quality complete protein that has an excellent amino acid profile
  • 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)
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Buy on Amazon
Bestseller No. 3
BulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1)
BulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1)
  • Maximize your Potential: Enhance your active lifestyle with our Soy Protein Isolate powder, or Soy Protein powder, designed to support your strength and performancegoals. Each serving delivers a substantial 30grams 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 Soy Protein powder, a vegan protein powder, fits seamlessly into your regimen, adaptable to a wide range of dietary needs and preferences, but not for individuals with soy sensitivities.
  • Smooth, Neutral Taste: Our unflavored Soy Protein Isolate Powder mixes easily into shakes, smoothies, or recipes. Gluten- and sugar-free, it blends seamlessly with other ingredients for versatile use.
  • Produced in a cGMP-Compliant Facility: Manufactured in a facility that follows current Good Manufacturing Practices (cGMP), ensuring a consistent and reliable product. This reflects our commitment to quality and care in every step of the process.
  • Made with Quality and Integrity: All our supplements are produced with a focus on clarity, consistency, and high standards. Every batch is tested to help ensure quality and peace of mind for wellness-focused consumers.
Buy on Amazon
Bestseller No. 4
Nutricost Soy Protein Isolate Powder, 2 LB Unflavored - 10 Grams of Protein Per Serving, Vegan, GMO-Free & Gluten Free
Nutricost Soy Protein Isolate Powder, 2 LB Unflavored - 10 Grams of Protein Per Serving, Vegan, GMO-Free & Gluten Free
  • Unflavored: Enjoy the unflavored soy protein isolate.
  • 2 lbs Per Container: Generous 2 lb container provides plenty of servings for regular use.
  • Gluten-Free: Formulated without gluten for those with dietary preferences or restrictions.
  • GMO-Free: Made without genetically modified organisms (GMOs).
  • Manufactured in a GMP-Compliant Facility: Produced in a facility that meets Good Manufacturing Practices and is third-party tested.
Buy on Amazon
Bestseller No. 5
NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives
NAKED Whey 2LB 100% Grass Fed Whey Protein Powder - Only 1 Ingredient, Unflavored Whey Protein, NSF Certified, Undenatured, Gluten Free, Soy Free, No GMOs, No Preservatives
  • ONLY ONE INGREDIENT: 100% Grass Fed Pure Whey Protein with zero additives. Naked Whey has no artificial sweeteners, flavors, or colors and is GMO-Free, No rBGH or rBST, Soy Free and Gluten-Free.
  • ALL NATURAL WHEY: Our Grass Fed Whey is sourced from small non-GMO dairy farms to bring you a non-denatured whey packed full of essential amino acids, clean protein and glutathione.
  • MAXIMUM NUTRITION: 25g of protein, 2g sugar, 3g carbs, 120 calories, and 5.9g BCAAs per serving. As an NSF Certified protein powder, Naked Whey is verified for purity and safety.
  • COLD PROCESSED: Unlike most whey protein powders, Naked Whey is cold processed to ensure zero contamination from chemical detergents (no acid or bleach) or, synthetic additives, and this maintains important naturally occurring growth factors.
  • THE PERFECT WORKOUT PARTNER: Create pre and post workout whey shakes, smoothies and recipes to take your muscle gains and recovery to new heights.
Buy on Amazon
Bestseller No. 6
NAKED Whey Isolate Protein - Only 2 Ingredients, 30g Grass-Fed Protein, Zero Carb, Unflavored, Undenatured, Non-GMO, No Soy, Gluten-Free, No Preservatives - 28 Servings
NAKED Whey Isolate Protein - Only 2 Ingredients, 30g Grass-Fed Protein, Zero Carb, Unflavored, Undenatured, Non-GMO, No Soy, Gluten-Free, No Preservatives - 28 Servings
  • ONLY TWO INGREDIENTS: Grass Fed Whey Protein Isolate and Sunflower Lecithin (to aid solubility). Naked Whey Isolate contains no artificial sweeteners, flavors, or colors and is GMO-Free, Soy Free and Gluten-Free.
  • NAKED MEANS NOTHING ARTIFICIAL: Our Unflavored Whey Protein Isolate Powder is sourced from happy, pasture-fed cows from select farms in the UK, Ireland and New Zealand. Growth hormone free - no rBGH or rBST, only 100% clean protein.
  • MAXIMUM NUTRITION, ZERO CARBS: A zero carb protein powder with 30g of Protein, 0g of Sugar, 120 Calories, and 8.4g of BCAAs (branched-chain amino acids) per serving. Less than 0.1g of lactose per serving for easy digestion.
  • CHEMICAL-FREE & ULTRA-FILTRATION: Manufactured by ion exchange and ultra-filtration techniques, generating an un-denatured, soluble whey protein. And, unlike most whey isolate protein powders, our iso protein powder has been made using careful manufacturing processes to retain essential amino acids. Zero contamination from chemical detergents - no acid or bleach.
  • THE PERFECT ISOLATE PROTEIN: Use our whey protein powder isolate to create the ultimate pre and post workout whey shakes, smoothies, and recipes. Use two scoops of our low carb protein powder to enjoy premium nutrition that take your workouts, gains, and recovery to new heights.
Buy on Amazon
Bestseller No. 7
NOW Foods Sports Nutrition, Pea Protein 24 g, Fast Absorbing, Unflavored Powder, 2-Pound
NOW Foods Sports Nutrition, Pea Protein 24 g, Fast Absorbing, Unflavored Powder, 2-Pound
  • NOW Sports products are comprehensively tested so you can trust that our products are pure and effective for every level of athletics
  • PURE PEA PROTEIN POWDER: Pea Protein is a non-GMO vegetable protein isolate that has 24 grams of easily-digested protein
  • PLANT-BASED WITH BCAAs: Each 1 scoop serving typically has over 4,200 mg of branched-chain amino acids and over 2,000 mg of arginine
  • 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)
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Buy on Amazon
Bestseller No. 8
Optimum Nutrition Gold Standard 100% Plant Based Protein Powder, Gluten Free, Vegan Protein for Muscle Support and Recovery with Amino Acids - Creamy Vanilla, 20 Servings (Packaging May Vary)
Optimum Nutrition Gold Standard 100% Plant Based Protein Powder, Gluten Free, Vegan Protein for Muscle Support and Recovery with Amino Acids - Creamy Vanilla, 20 Servings (Packaging May Vary)
  • 24 grams of plant protein per serving
  • Expertly crafted to provide premium muscle support
  • Made with quality ingredients, from the leader in sports nutrition. With a Great-tasting blend of pea, rice, and fava bean protein​
  • Gluten-free, vegan formula made with 9 essential amino acids / BCAAs and 0g sugar
  • Optimum Nutrition is the World's #1 Sports Nutrition Brand. Banned substance tested - Highest quality control measures so you feel comfortable and safe consuming the product
Buy on Amazon
Bestseller No. 9
Sports Research Whey Protein - Sports Nutrition Whey Isolate Protein Powder for Lean Muscle Building & Workout Recovery - 5 lb Bag Bulk Protein Powder 25g per Serving - Dutch Chocolate, 60 Servings
Sports Research Whey Protein - Sports Nutrition Whey Isolate Protein Powder for Lean Muscle Building & Workout Recovery - 5 lb Bag Bulk Protein Powder 25g per Serving - Dutch Chocolate, 60 Servings
  • 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.*
  • NUTRIENT-RICH INGREDIENTS: Our whey isolate protein powder is non-GMO verified, gluten-free & soy-free, and enhanced with Vitamin D, MCTs, and 1,000mg of L-Leucine, with only 150 calories and less than 1g of sugar per serving
  • SHAKE, BLEND & BAKE: Our formula with instantized whey is made to prevent clumping, making it perfect for a protein shake or as a smoothie protein powder. It can even serve as added protein for baking or as an extra protein boost in coffee creamer
  • RICH CHOCOLATE TASTE: Formulated using natural flavors, our protein powder is available in a delicious chocolate flavor we know you’ll love. It’s a flavorful boost to any recipe or routine
  • THE SPORTS RESEARCH DIFFERENCE: Founded in Southern California 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 through research-backed products created for every body—inside and out
Buy on Amazon
Bestseller No. 10
NOW Foods Sports Nutrition, Whey Protein Isolate, 25 g With BCAAs, Creamy Vanilla Powder, 5-Pound
NOW Foods Sports Nutrition, Whey Protein Isolate, 25 g With BCAAs, Creamy Vanilla Powder, 5-Pound
  • 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: NOW Whey Protein Isolate is ideal for active individuals. Whey protein is considered to have the highest biological value (BV) of any protein source - superior in essential amino acid content to beef, milk, casein, or soy
  • CREAMY VANILLA FLAVOR: 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)
  • Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
Buy on Amazon

Best Sports Nutrition Soy Protein Powders Buying Guide

Before choosing the best sports nutrition soy protein powder you should consider following options:

1. Carbohydrate Source: Soy protein powders are typically derived from defatted soybean flour, which is a rich source of slow-digesting carbohydrates. Ingesting carbohydrates during and immediately after exercise helps to restore muscle glycogen levels and maintain blood glucose.

Soy protein also contains essential amino acids, including leucine, which is one of the essential amino acids linked to muscle protein synthesis and new muscle growth.

2. Digestibility: Soy protein is a complete protein, containing all eight essential amino acids necessary for the human body. Because soy protein is derived from legume, it is easily digestible and well-absorbed.

3. Amino Acid Profile: While whey protein is typically considered the gold standard when it comes to protein sources, soy protein is not a poor option.

According to an article published in the Journal of the American Dietetic Association, “Compared with milk protein, soy protein isolate has similar digestibility and absorption but a more complete amino acid composition.”

4. Health Benefits: While soy protein powders have typically been used for their muscle-building properties, researchers have found that soy protein may actually offer some additional health benefits.

For example, a study published in the journal Nutrition Research found that soy protein may help to slow and even reverse the progression of osteoporosis.

5. Cost: Soy protein powders are generally cheaper than whey protein powders, which makes them a viable option for bodybuilders and athletes on a budget.

6. Flavor: Whey protein powders typically offer a wider variety of flavors, while soy protein powders are typically limited to “natural” or unflavored options.

7. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

8. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

9. Allergies: Some individuals who are allergic to milk may not be able to tolerate whey protein powders.

10. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

11. Allergies: Some individuals who are allergic to milk may not be able to tolerate whey protein powders.

12. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

13. Allergies: Some individuals who are allergic to milk may not be able to tolerate whey protein powders.

14. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

15. Digestibility: As we mentioned before, soy protein is easily digestible and well absorbed by the body.

16. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

17. Digestibility: As we mentioned before, soy protein is easily digestible and well absorbed by the body.

18. Availability: While whey protein powders are readily available in most supplement stores, soy protein powders are typically limited to specialty health food stores.

19. Digestibility: As we mentioned before, soy protein is easily digestible and


What else you should know about sports nutrition soy protein powders

1. What are soy protein powders?

Soy protein powders are protein powders that are made from soybeans.

2. What are the benefits of soy protein powders?

Soy protein powders have a variety of benefits, including being a good source of protein, being low in fat, and being low in carbohydrates. They also have a variety of health benefits, including being good for heart health, being good for bone health, and being good for blood sugar control.

3. What are the side effects of soy protein powders?

The most common side effect of soy protein powders is gastrointestinal distress, such as bloating, gas, and diarrhea. Some people may also experience allergic reactions, such as hives, itching, and swelling.

4. What are the best soy protein powders?

The best soy protein powders are those that have a high protein content and are low in fat and carbohydrates.

5. How do I use soy protein powders?

Soy protein powders are most commonly used in shakes and smoothies. To use, simply add the powder to your blender along with your other ingredients and blend until smooth. You can also use soy protein powder to make pancakes, waffles, and other baked goods.


Conclusion

On the market, there are numerous best sports nutrition soy protein powders. Hopefully, the list of the top ten best sports nutrition soy protein powders will save you time researching and deciding on the best one for you.

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