Soy Protein
What is Soy Protein?
Soy protein is a form of protein derived from soy. Soy protein isolate is made from defatted soy flour which has had most of the non-protein components, fats and carbohydrates removed. Soy protein concentrate is about 70% soy protein and is basically soybean without the water soluble carbohydrates. It is made by removing part of the carbohydrates (sugars) from dehulled and defatted soybeans.
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| Product Name | Brand | Size | Lowest Price | Rating | Main Ingredient Per Dollar | Go to Cheapest Store |
| 100% Soy Protein | Optimum Nutrition | No Ratings | 51.55 Grams of Protein per dollar |  | ||
| Pure Soy | Prolab | No Ratings | 46.93 Grams of Protein per dollar | | ||
| Advanced Soy Pro | Universal Nutrition | No Ratings | 38.71 Grams of Protein per dollar | | ||
| Hammer Soy | Hammer Nutrition | No Ratings | 21.47 Grams of Protein per dollar | | ||
| Spiru-Tein Shake Powder | Nature's Plus | No Ratings | 17.03 Grams of Protein per dollar | | ||
| Spiru-Tein Shake Powder | Nature's Plus | No Ratings | 14.92 Grams of Protein per dollar | |