ProveIt Supplements

Independent, evidence-based supplement analysis.

✓ Not Sponsored

✓ No Paid Reviews

✓ Science-Based

Company

  • About Us
  • Our Methodology
  • Contact
  • Blog
  • Authors

Legal

  • Privacy Policy
  • Terms of Service
  • Medical Disclaimer
  • Affiliate Disclosure

Resources

  • All Categories
  • Ingredient Database
  • Browse Supplements
  • FAQ

© 2025 ProveIt Supplements. All rights reserved.

Medical Disclaimer: The information provided is for educational purposes only and is not intended as medical advice. Always consult with a qualified healthcare professional before starting any supplement regimen.

Prove It
Browse SupplementsBlogAuthorsAboutMethodologyFAQ
Get Your Personalized Supplement StackSupplement Stack Quiz
Menu
HomeBrowse SupplementsBlogAuthorsAboutMethodologyFAQ
Re-Built Mass XP Cookies & Cream

Re-Built Mass XP Cookies & Cream

GNC Beyond Raw

#Protein Powder
63
Safety60
Efficacy65
Transparency70
Based on Examine, Wikipedia, and 23 other sources

Overview

Re-Built Mass XP is a high-calorie mass gainer designed to provide a significant amount of calories, protein, and carbohydrates to support muscle growth and weight gain. The inclusion of multiple forms of creatine and BCAAs enhances its potential for improving strength and muscle recovery. However, the high calorie and carbohydrate content may not be suitable for everyone, and the large serving size may cause digestive discomfort.

The Good

High protein content to support muscle growth

Enhanced with creatine to improve power and strength

Includes BCAAs for muscle recovery

The Bad

High Calorie Content

High Carbohydrate Content

Significant amount of fat and saturated fat

Is it for you?

Best For: Hardgainers, athletes, individuals looking to gain muscle mass and weight

Skip If: You are trying to lose weight, have kidney issues, or are sensitive to high sugar intake.

Ingredients Analysis

Saturated Fat

4.5 g

Cholesterol

70 mg

Total Carbohydrates

140 g

Added Sugars

2 g

Calcium

530 mg

Iron

1.5 mg

Magnesium

540 mg

Sodium

450 mg

Potassium

490 mg

Advanced Creatine Complex

9 g

Creatine

5 g

Creatine Magnapower

2.5 g

Micronized Creatine Monohydrate

2.5 g

Micronized Guanidinoacetate

1 g

L-Arginine; Micronized

1 g

Glycine; Micronized

1 g

L-Methionine; Micronized

1 g

Hyper-Anabolic Complex

19.3 g

Branched-Chain Amino Acids

16.1 g

L-Leucine

8.9 g

L-Isoleucine

3.7 g

L-Valine

3.5 g

Betapower Betaine Anhydrous

2.5 g

Calcium Hmb

500 mg

Digestive Enzyme Blend

225 mg

Aminopeptidase

Protease

How to Use

Mix 1-2 scoops with 16-20 oz of cold water or milk. Consume post-workout or as a meal replacement.

Frequency:

Daily

Best Time:

Post-workout or between meals

When:

Mixed with water or milk

Who Should Use This

Best For:

Hardgainers, athletes, individuals looking to gain muscle mass and weight

Similar Products

100 Calories QUICK COOKING OATMEAL WITH FLAX SEEDS MAPLE & BROWN SUGAR by BETTER OATS®

100 Calories QUICK COOKING OATMEAL WITH FLAX SEEDS MAPLE & BROWN SUGAR

BETTER OATS®

Magnesium by Wholly Liquid

Magnesium

Wholly Liquid

Magnesium by Vitabase

Magnesium

Vitabase

Magnesium by Smarter Nutrition

Magnesium

Smarter Nutrition

Five Calories 1000 mg Vitamin C Peach-Passion Fruit by Emergen-C

Five Calories 1000 mg Vitamin C Peach-Passion Fruit

Emergen-C

Magnesium by DC

Magnesium

DC

Recommended Articles

Verify GMP Certification for Supplements

Verifying GMP certification involves looking for third-party testing logos, checking the certification's date, and contacting the manufacturer.