Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
Advertising Disclosure
10 Best soy proteins of 2026
Save up to 25% off
1
Earthborn ElementsEarthborn Elements Soy Protein Powder 1 Gallon Bucket, Always Pure, Smoothies & Shakes (60.8 Ounces)
Main highlights-
Earthborn Elements Soy Protein is pure with no additives.
Pure and Undiluted Formula
-
Perfectly complements smoothies, shakes, and various drinks.
Ideal for Smoothies and Shakes
-
Customers love the resealable bucket for easy storage.
Highly Praised Packaging
-
-
How do we rank?
Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like youCareful review Our team ensures quality, value, and fit based on real user feedbackTrusted insights AI and human analysis guide your decisions, reflecting real user prioritiesReal users impactThousands of users trust our site daily
Based on millions of stores and reviews
Shoppers influence our rankings
Analyzing top stores
2
Earthborn ElementsEarthborn Elements Soy Protein Powder 1 Gallon Bucket, Always Pure, Smoothies & Shakes (60.8 Ounces)
Main highlights-
Earthborn Elements Soy Protein is pure with no additives.
Pure and Undiluted Formula
-
Perfectly complements smoothies, shakes, and various drinks.
Ideal for Smoothies and Shakes
-
Customers love the resealable bucket for easy storage.
Highly Praised Packaging
-
3
NOW FoodsNOW Foods Sports Nutrition, Soy Protein Isolate 20 g, 0 Carbs, Unflavored Powder, 2-Pound
Main highlights-
High-quality, unflavored Soy Protein Isolate with excellent amino acid profile. GMP Quality Assured and packaged in the USA.
Key Features
-
Perfect for athletes seeking a vegetable-based protein. Great for muscle repair, maintenance, and growth in various training regimes.
Ideal Use Cases
-
Users highly value its purity and effectiveness for athletic performance, appreciating its consistency and lack of additives.
Customer Praise
-
4
BulkSupplementsBulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1)
Main highlights-
Delivers 30 grams of protein per serving, ideal for strength and performance.
High Protein Content
-
Perfect for athletes and active individuals seeking a vegan protein source.
Versatile Vegan Option
-
Praised for being gluten-free and free of added sugars.
Quality and Purity
-
5
BulkSupplementsBulkSupplements.com Soy Protein Isolate Powder - Vegan Protein Powder, Unflavored - Pure & Gluten Free, 30g per Serving, 1kg (2.2 lbs) (Pack of 1)
Main highlights-
Delivers 30 grams of protein per serving, ideal for strength and performance.
High Protein Content
-
Perfect for athletes and active individuals seeking a vegan protein source.
Versatile Vegan Option
-
Praised for being gluten-free and free of added sugars.
Quality and Purity
-
-
See Today’s Deals & Prices
8
NOW FoodsNOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound
22% OffMain highlights-
High-quality, complete vegetable protein with excellent amino acid profile. GMP Quality Assured, pure, and effective for all athletic levels.
Key Features and Benefits
-
Perfect for athletes seeking a plant-based protein source; ideal for muscle repair, growth, and dietary supplementation without flavor interference.
Ideal Use Cases
-
Most praised for its purity and effectiveness, with users appreciating the unflavored option for its versatility in various recipes.
Customer Reviews Highlight
-
9
NOW FoodsNOW Foods Sports Nutrition, Soy Protein Isolate 20 G, 0 Carbs, Unflavored Powder, 1.2-Pound
25% OffMain highlights-
High-quality, complete vegetable protein with excellent amino acid profile. GMP Quality Assured, pure, and effective for all athletic levels.
Key Features and Benefits
-
Perfect for athletes seeking a plant-based protein source; ideal for muscle repair, growth, and dietary supplementation without flavor interference.
Ideal Use Cases
-
Most praised for its purity and effectiveness, with users appreciating the unflavored option for its versatility in various recipes.
Customer Reviews Highlight
-
10
PURE ORIGINAL INGREDIENTSPURE ORIGINAL INGREDIENTS Soy Protein Isolate, Always Pure, No Fillers or Additives (1 Pound)
Main highlights-
Pure Original Ingredients Soy Protein Isolate ensures no fillers or additives, providing a clean, natural protein source.
Pure Ingredients and No Additives
-
Ideal for protein shakes and as a flour substitute, catering to various dietary needs.
Versatile Use in Shakes and Baking
-
Customers frequently commend its purity and lack of artificial ingredients.
Highly Praised for Purity
-
