PRE Natural's (by NutraBio) ability to increase muscle mass is rated as 1.6 out of 3. This rating means the evidence is mixed on the product's ability to deliver on this claim. While some of the evidence supports its use, other evidence does not. Using PRE Natural to increase muscle mass may lead to positive results. This rating is different from the product's overall rating and is based on what peer reviewed journal articles conclude on its ability to perform this one claim. This page contains an indepth analysis on how this claim-rating was calculated.
Note: The ratings on this page only deal with PRE Natural's ability to increase muscle mass. To view the product's overall rating, visit the product's main page: PRE Natural.
Table of Contents
- Simple Report
- Detailed Report
- References
Simple Report
Detailed Report
The detailed report is an in-depth analysis on how PRE Natural's rating for this particular claim was calculated.
Claim Effectiveness Ratings
Each supplement product is a blend of ingredients. The database uses peer reviewed journal articles to rate the ingredients. These ratings are also used to rate how well products perform overall as well as on individual claims.
The supplement ingredients listed in table below are identified as affecting PRE Natural's ability to increase muscle mass. The rating next to the ingredient describes the ingredient's ability to increase muscle mass. These ratings are averaged together and provide the product's overall ability to deliver on the same claim.
| Ingredients |
Increase Muscle Mass Rating |
| Vitamin C |
1 out of 3
|
| Leucine |
1 out of 3
|
| Beta Alanine |
2 out of 3
|
| Creatine Monohydrate |
2.5 out of 3
|
| Betaine |
1.5 out of 3
|
| Product's Claim Effectiveness Rating |
1.6 out of 3
|
Claim Research Ratings
The research rating describes how well an ingredient's ability to perform a certain claim (such as increase muscle mass) has been researched. This rating is based on the amount of studies contained in the database on a particular ingredient and claim. Ingredient research ratings are averaged together to from the product's research rating for this specific cliam.
This rating is important because we need to know if there is enough research to make a valid conclusion on a product's worthiness. Ratings above 80 are ideal. Anything below 60 means there is not enoguh research to make a valid conclusion one way or another on a product's ability to deliver on this particular claim.
| Ingredients |
Increase Muscle Mass Research Rating |
| Vitamin C |
|
| Leucine |
|
| Beta Alanine |
|
| Creatine Monohydrate |
|
| Betaine |
|
| Product's Claim Research Rating |
|
References
| Title |
| Vitamin C and E supplementation blunts increases in total lean body mass in elderly men after strength training |
| 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 |
| Free leucine supplementation during an 8-week resistance training program does not increase muscle mass and strength in untrained young adult subjects |
| The effects of 10 weeks of resistance training combined with beta-alanine supplementation on whole body strength, force production, muscular endurance and body composition |
| Effects of beta-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial |
| Effects of Whey Isolate, Creatine, and Resistance Training on Muscle Hypertrophy |
| The effect of whey protein supplementation with and without creatine monohydrate combined with resistance training on lean tissue mass and muscle strength |
| Effects of creatine on isometric bench-press performance in resistance-trained humans |
| Creatine supplementation enhances isometric strength and body composition improvements following strength exercise training in older adults |
| Effects of creatine supplementation on body composition, strength, and sprint performance |
| Creatine Monohydrate Supplementation Does Not Augment Fitness, Performance, or Body Composition Adaptations in Response to Four Weeks of High-Intensity Interval Training in Young Females |
| The effects of creatine monohydrate supplementation with and without D-pinitol on resistance training adaptations |
| Effects of creatine loading and prolonged creatine supplementation on body composition, fuel selection, sprint and endurance performance in humans |
| A buffered form of creatine does not promote greater changes in muscle creatine content, body composition, or training adaptations than creatine monohydrate |
| The effects of creatine ethyl ester supplementation combined with heavy resistance training on body composition, muscle performance, and serum and muscle creatine levels |
| Creatine HCl and Creatine Monohydrate Improve Strength but Only Creatine HCl Induced Changes on Body Composition in Recreational Weightlifters |
| Combined effect of creatine monohydrate or creatine hydrochloride and caffeine supplementation in runners’performance and body composition |
| The effects of chronic betaine supplementation on body composition and performance in collegiate females: a double-blind, randomized, placebo controlled trial |
| Effects of betaine on body composition, performance, and homocysteine thiolactone |
