Effectiveness Rating for Soy Protein's Ability to Increase Muscle Mass

The effectiveness rating is a measure of how well soy protein is able to increase muscle mass. The overall rating for this claim is 2.3 out of 3. There is some research showing the supplement's ability to deliever on this particular claim is warranted. Using Soy Protein to increase muscle mass may lead to positive results.

Confidence Rating for Soy Protein's Ability to Increase Muscle Mass

The confidence rating is a mesure of how valid the effectiveness rating is. This rating is based on how many studies are included in the database on this topic.

There are 4 studies in the database on soy protein; the confidence rating is 80. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating.

Soy Protein Dose to Increase Muscle Mass

Dosage Frequency Daily Total Effectiveness Rating of Dosage
27g 3x per day 81g
20g twice daily 40g
39g once daily 39g

These dosages are based on body weight. The default value is 150 pounds. Enter your weight and click update to get appropriate dosages for your own body weight.


Title of Study
Effect of whey and soy protein supplementation combined with resistance training in young adults
Consumption of fat-free fluid milk after resistance exercise promotes greater lean mass accretion than does consumption of soy or carbohydrate in young, novice, male weightlifters
Whey Protein Supplementation During Resistance Training Augments Lean Body Mass
Effects of Whey, Soy or Leucine Supplementation with 12 Weeks of Resistance Training on Strength, Body Composition, and Skeletal Muscle and Adipose Tissue Histological Attributes in College-Aged Males