Xtreme Size Up Chocolate®

Other Combinations

Brand: MET-Rx

PowderOther CombinationsOff Market
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Net Contents

6 lb

Serving Size

167 Gram(s)

Servings Per Container

16

Supplement Form

Powder

Bar Code (UPC/SKU)

7 86560 15828 2

Product Version

15828 10H B15828

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

34Active Ingredients

34 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

33% Daily Value Coverage

33 ingredients report a %DV; 6 meet or exceed 100% DV.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Soy

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 167 Gram(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Calories580 Calorie(s)
Calories from Fat70 Calorie(s)
Total Fat7 Gram(s)11%
Saturated Fat4.5 Gram(s)23%
Cholesterol60 mg20%
Dietary Fiber8 Gram(s)32%
Sugar7 Gram(s)
Total Carbohydrates79 Gram(s)26%
Protein60 Gram(s)120%
Vitamin A(Beta-Carotene)4500 IU90%
Vitamin C60 mg100%
Vitamin D240 IU60%
Vitamin E45 IU150%
Vitamin K40 mcg50%
Thiamine0.9 mg59%
Riboflavin1 mg59%
Niacin21 mg105%
Vitamin B61.2 mg62%
Folic Acid400 mcg100%
Vitamin B123 mcg50%
Biotin180 mcg60%
Pantothenic Acid4 mg41%
Calcium1094 mg109%
Iron13 mg72%
Phosphorus867 mg87%
Iodine60 mcg40%
Magnesium96 mg24%
Zinc8 mg51%
Selenium(L-Selenomethionine)28 mcg40%
Copper1 mg52%
Manganese1.5 mg75%
Chromium60 mcg51%
Molybdenum60 mcg81%
Chloride239 mg7%
Sodium420 mg18%
Potassium1630 mg47%
Creatine Monohydrate3000 mg
L-Glutamine3000 mg

Percent Daily Values are based on a 2,000 calorie diet.

Other Ingredients

Energizing Carb Optimizer BlendMetamyosyn Muscle Mass Optimizer BlendCocoaMultiVitamin Optimizer BlendNatural and Artificial flavorspartially hydrogenated Coconut OilCorn Syrup, SolidsLean Lipid Optimizer BlendCellulose GumCarrageenanSoy LecithinXanthan GumGuar GumSucraloseSodium CaseinateSaltMonoglycerides and DiglyceridesGelatinAcesulfame Potassium

Target Groups

Adult (18 - 50 Years)

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

Use in conjunction with an intense daily exercise program and a balanced diet including an adequate caloric intake.

Suggested/Recommended/Usage/Directions

Directions: For adults, add four (4) scoops (600 calories) (167g) to 16 ounces of cold water and mix thoroughly in a blender or shaker. For increased calories, use 16 ounces of skim milk (746 total calories) or 2% milk (824 total calories) instead of water. Increase or decrease the amount of liquid to achieve desired consistency. Drink immediately for best results.

Suggested/Recommended/Usage/Directions

FOR MAXIMUM RESULTS, TAKE FOUR (4) SCOOPS WITH 16 OZ. WATER IMMEDIATELY FOLLOWING YOUR WORKOUT.

Warnings & Precautions

Precautions re: Pregnant or Nursing or Prescription Medications

WARNING: Not intended for use by pregnant or nursing women. If you are taking any medications, planning any medical or surgical procedure or have any medical condition, consult your doctor before use.

Precautions re: All Other

Avoid this product if you have kidney disease. Discontinue use and consult your doctor if any adverse reactions occur.

Precautions re: Children

Not intended for use by persons under the age of 18. KEEP OUT OF REACH OF CHILDREN.

Precautions re: All Other

TAMPER RESISTANT: DO NOT USE IF SEAL UNDER CAP IS BROKEN OR MISSING.

Precautions re: Pregnant or Nursing or Prescription Medications

As a reminder, discuss the supplements and medications you take with your health care providers.

Precautions re: Allergies

Contains milk, egg and soy ingredients.

Storage

Storage

STORE AT ROOM TEMPERATURE AND AVOID EXCESSIVE HEAT.

Formulation

Formula re: Contains

Energizing Carb Optimizer Blend contains high fiber and glycogen-building carbs that work hand-in-hand with the Muscle Mass Optimizer Blend.* This specialized blend contains over 70g of carbs per serving to keep your muscles fully loaded with this important macronutrient.*

Formulation re: Does NOT Contain

MET-Rx Xtreme Size Up is formulated with no fructose, so you won't experience the dreaded crash and burn that comes from consuming sugar-laden formulas.

Formula re: Contains

Lean Lipid Optimizer Blend contains just the right amount of dietary fats per serving.

Formula re: Contains

ONE OF THE HIGHEST PROTEIN CONTENTS PER SERVING ON THE MARKET

Formula re: Contains

- 60G PROTEIN - 580 CALORIES - 3G CREATINE - 3G GLUTAMINE - 79G ENERGIZING CARBS! per 4 scoop serving

Formula re: Contains

Contains milk, egg and soy ingredients.

Formula re: Contains

MET-Rx XTREME SIZE UP HAS ONE OF THE HIGHEST PROTEIN CONTENTS PER SERVING ON THE MARKET.

Formula re: Contains

PROVIDING 60G OF PROTEIN AND 580 CALORIES PER 4 SCOOP SERVING, XTREME SIZE UP SHOULD BE YOUR ONLY CHOICE FOR SERIOUS MASS GAINING!*

Formula re: Contains

METAMYOSYN Muscle Mass Optimizer Blend combines the trusted METAMYOSYN protein blend, with extra Whey Protein and Creatine, to provide sustained, highly bioavailable fuel for your body’s protein needs.*

FDA Statements

FDA Disclaimer Statement

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

FDA Statement of Identity

DIETARY SUPPLEMENT

Other Label Statements

General Statements: All Other Content

Typical Amino Acid Profile (milligrams per 167 g serving*****) Essential Amino Acids Histidine 1,269 mg Isoleucine 2,680 mg Leucine 4,950 mg Lysine 4,194 mg Methionine 1,269 mg Phenylalanine 2,202 mg Threonine 2,531 mg Tryptophan**** 661 mg Valine 3,088 mg Nonessential Amino Acids Alanine 1,887 mg Arginine 1,577 mg Aspartic Acid 4,203 mg Cysteine 625 mg Glutamic Acid 9,065 mg Glycine 924 mg Proline 4,221 mg Serine 2,591 mg Tyrosine 2,238 mg ****L-Tryptophan is naturally occurring, not added. *****approximate values

General Statements: All Other Content

Contents are sold by weight. Some settling may occur.

Brand IP Statement(s) re: (c), (TM), (SM)

YOU CAN’T FAKE STRONG

Brand IP Statement(s) re: (c), (TM), (SM)

2015

General: Product/Version Code

15828 10H B15828

General Statements: All Other Content

Keep your mind energized with carbs so you can keep training and growing!*

General Statements: All Other Content

We know that your goal in your workout is to pack inches onto your biceps rather than your waist, so we didn't compromise quality with loads of unhealthy fats that could slow down your progress. MultiVitamin Optimizer Blend is packed with specially selected vitamins and minerals essential to carbohydrate and protein metabolism.* Optimal intake of key vitamins and minerals is especially important when following a high-calorie diet and exercise program for mass gains, in order to assume proper usage and muscle metabolism of ingested calories.* You can rest assured that our comprehensive blend of the right vitamins and minerals will complement your nutrition plan to support your bodybuilding or fitness goals.* In order to make serious gains, you need to train hard, get lots of rest, and take in plenty of key nutrients.

Brand IP Statement(s) re: (c), (TM), (SM)

MET-Rx Xtreme Size Up makes it easy to get the high quality protein, energizing carbs and essential nutrients that are important to a serious, intensive training program.*

General Statements: All Other Content

SUSTAINED PROTEIN SYNTHESIS OF WHEY AND CASEIN PROTEIN mmol/kg/min ~Whey ~Casein Approximate time points illustrating whey and casein’s differing effects on protein synthesis when taken on an empty stomach.

General Statements: All Other Content

LEAN MASS & STRENGTH*

General Statements: All Other Content

Naturally and Artificially Flavored

General Statements: All Other Content

POST-WORKOUT

Brand IP Statement(s) re: (c), (TM), (SM)

IF YOU ARE ONE OF THOSE PEOPLE WHO HAVE A TOUGH TIME PACKING ON SOLID, POWERFUL MASS, TRY MET-Rx XTREME SIZE UP, SPECIALLY DESIGNED FOR HARD GAINERS WHO WANT TO GAIN WEIGHT AND PACK ON MASS.* MET-Rx XTREME SIZE UP FEATURES FOUR OPTIMIZER BLENDS TO HELP YOU KEEP GROWING!*

General Statements: All Other Content

OUR SPECIALLY SELECTED NUTRIENTS ARE DESIGNED TO MEET YOUR BODY'S NEEDS FOR BOTH IMMEDIATE AND SUSTAINED ENERGY AND PROTEIN SYNTHESIS.* The Secret is the Source of Protein!

General Statements: All Other Content

A combination of fast and slow proteins results in a more prolonged absorption rate allowing extended muscle-amino delivery.*

Brand IP Statement(s) re: (c), (TM), (SM)

By extending the delivery of all essential amino acids to your muscles, MET-Rx Xtreme Size Up helps to stop you from going into a catabolic state which can otherwise lead to muscle loss.* MET-Rx METAMYOSYN Muscle Mass Optimizer Blend utilizes complete proteins from the finest sources to ensure every amino acid required by your muscles is supplied.*

Manufacturer & Distributor

Distributor

MET-Rx Nutrition, Inc.

Boca Raton, FL, 33487

1-800-556-3879

Market Reference

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Where to Buy Locally

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Research & Studies

  • Diets designed for Athletes

    M Karinch - 2002 - books.google.com

    … training and concluded that athletes often need supplements to stay healthy. In the push to be … A typical selection of bars aimed at athletes striving for lean mass might include MET-Rx's …

    20024 citations
  • Recovery from a cycling time trial is enhanced with carbohydrate-protein supplementation vs. isoenergetic carbohydrate supplementation

    JM Berardi, EE Noreen, PWR Lemon - Journal of the International …, 2008 - Taylor & Francis

    … a medical history interview, none had neuromuscular, metabolic, or musculoskeletal disorders. In addition, none were using dietary supplements … by a grant from Met-Rx USA, Inc. and …

    2008108 citations
  • Bar market still booming: no longer niche products for'fitness freaks,'nutrition bars are taking the mainstream by force.

    T Wright - Nutraceuticals World, 2005 - go.gale.com

    … Nutrition bars have to taste great and offer health benefits, … More recently, the company launched the Health By Chocolate … Met-Rx Big 100 contains 27 grams of Metamyosyn protein …

    20051 citations
  • The Powerfood Nutrition Plan: The Guy's Guide to Getting Stronger, Leaner, Smarter, Healthier, Better Looking, Better Sex--with Food!

    S Kleiner, J O'Connell - 2006 - books.google.com

    … you make informed decisions about your health. It is not intended as … a medical problem, we urge you to seek competent medical … The first MRP—MET-Rx, a proprietary blend of protein, …

    20067 citations
  • Functional Food in the Marketplace: New Products, Availability, and Implications for the Consumer

    JK Rippe - Nutritional Health: Strategies for Disease Prevention, 2012 - Springer

    … Examples include sports beverage MuscleMilk, sports bar Detour, MRPs such as MET-Rx … in this chapter, Good Cacao Superfood Chocolate starts with 70% cacao and includes …

    20121 citations
  • Comparing Acute Effects of Caffeine Delivery Forms on Cross-Training Performance: A Randomized Placebo-Controlled Crossover Trial

    S Vargas-Molina, DA Bonilla, M García-Sillero… - Nutrients, 2026 - mdpi.com

    20261 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2016-08-24. DSLD Label ID: 64032. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.