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100% Mass Gainer Chocolate Fudge Brownie

MuscleTech
4.3
★ ★ ★ ★ ★
(5153 ratings)
Sodium 750 mg
Potassium 1220 mg
Calcium 1250 mg
Iron 2.3 mg
Protein (unspecified) 60 Gram(s)
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Score64
A powerful mass-gain formula with 5 g creatine and very high calories, but conflicting label totals and an extreme serving demand careful use.
How scoring works
Quantity:5 Pound(s) • (7 servings)
Goals:
Fitness

Score 64

A powerful mass-gain formula with 5 g creatine and very high calories, but conflicting label totals and an extreme serving demand careful use.
How scoring works
$28.72($4.10 per serving)
iHerb
$ 28.72
Amazon
$ 35.92
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Analysis

The full serving supplies roughly 1,330 to 1,500 calories, 44 to 60 g protein, 280 to 305 g carbohydrate, 5 g creatine, and substantial branched-chain amino acids. Those amounts directly support calorie surplus and training nutrition.

The supplied data contains two nutrition profiles, so actual protein, carbohydrate, calcium, sodium, potassium, and calorie totals must be checked. Even the lower profile is extremely large and provides substantial sodium and cholesterol.

It fits hard-training adults who struggle to achieve a planned calorie surplus from food and can tolerate a very large shake. It is a poor choice for routine heart support, general fitness, or users who need moderate calories.

Who is it for
  • Hard-training adults pursuing deliberate mass gain
  • Users who struggle to eat enough calories
  • People comfortable with very large carbohydrate servings
Best for
  • Calorie surplus
  • Mass gain
  • Creatine-supported training nutrition

Pros

  • Provides 5 g creatine monohydrate
  • Very high calorie and carbohydrate delivery
  • Substantial protein and leucine
  • Includes significant calcium and potassium

Cons

  • Only seven servings
  • Very high sodium and cholesterol
  • Nutrition profiles conflict in the supplied data
  • Poor fit for heart-focused use

Warnings

  • Verify the current serving because the supplied label contains two conflicting nutrition profiles
  • The very high calorie and carbohydrate load is unsuitable for users not deliberately pursuing weight gain
  • People with kidney-related potassium, sodium, or protein restrictions should not use the full serving without individualized guidance

Nutrient quality

67 High impact

Protein, creatine, leucine, and other amino acids are meaningfully dosed for mass gain and training. The very large calorie, carbohydrate, sodium, and calcium loads make the formula unnecessarily aggressive for general or heart-focused use.

Ingredient transparency

63 Moderate impact

Many active amounts are disclosed, but duplicate nutrition profiles create uncertainty about the applicable serving. Daily-use directions and inactive ingredients are also missing from the supplied details.

Customer satisfaction

70 High impact

The aggregate rating is strong and supported by a meaningful review count. No specific review comments were supplied, so repeated complaints and purpose-related experiences cannot be verified.

Value for money

55 Moderate impact

Large doses of protein, carbohydrates, creatine, and amino acids provide substantial material per serving. The high serving cost and limited suitability outside mass gain narrow the value.

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Goals

Fitness
Impact
Highest effect
A Goal FitA Strength of SupportA- CoverageA Formula Quality
Creatine · 5 Gram(s)

Creatine monohydrate, substantial protein, amino acids, and carbohydrate provide direct support for strength training, recovery, and energy intake. The creatine amount reaches an established daily performance range.

The very large serving delivers an unusually high calorie and carbohydrate load that may be unsuitable outside deliberate mass-gain plans. The formula is best for athletes who struggle to meet high energy needs through food.

Study evidence
Creatine Supportive 143 studies

Ingredients

IngredientAmount per serving
Calories
1500 Calorie(s)
Total Fat
5 Gram(s)
Cholesterol
130 mg
Total Carbohydrates
305 Gram(s)
Protein
60 Gram(s)
Calcium
1250 mg
Iron
2.3 mg
Sodium
750 mg
Potassium
1220 mg
L-Glutamine and Glutamine Precursor (Whey Protein)
11.2 Gram(s)
Creatine Monohydrate
5 Gram(s)
L-Leucine (Whey Protein)
6.2 Gram(s)
L-Valine (Whey Protein)
3.6 Gram(s)
L-Isoleucine (Whey Protein)
3.3 Gram(s)
Protein
44 Gram(s)
Adults 18–50 Women
Report overview
Sodium · 750 mg OverallScore70
D Active Ingredient Quality & BioavailabilityA Dose, Safety & Label TransparencyB- Value

An undisclosed sodium source limits confidence in ingredient quality. The sodium dose is well suited to meaningful athletic replenishment. Supporting electrolytes are included, though their form quality is uncertain, while the broader nutrition formula helps offset weak electrolyte-only value.

Potassium · 1220 mg OverallScore37
F Active Ingredient Quality & BioavailabilityC+ Dose, Safety & Label TransparencyD+ Value

The potassium source is not specified, so its form quality and buffering properties cannot be assessed. The supplied data lists two different potassium amounts, and even the lower amount provides an effective dose. The high potassium amount requires caution for people with impaired kidney function or those using ACE inhibitors or potassium-sparing diuretics. The effective potassium dose comes at a premium serving cost.

Calcium · 1250 mg OverallScore35
F Active Ingredient Quality & BioavailabilityD Dose, Safety & Label TransparencyF Value

The calcium amount is stated, but the specific chemical form is not disclosed. The 650 mg dose is likely to exceed optimal absorption in one sitting, while the serving cost is high for focused calcium use. The powder is a calorie-dense mass gainer, so it is poorly suited to anyone seeking a focused calcium supplement.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Creatine in combination with resistance training and improvement in muscle strength: evaluation of a health claim pursuant to Article 13(5) of Regulation (EC) No 1924/2006.
    EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA) · EFSA journal. European Food Safety Authority · 2026
    Guideline / consensusFitness forCreatine
  2. Effect of creatine and weight training on muscle creatine and performance in vegetarians.
    Burke DG; Chilibeck PD; Parise G; Candow DG; Mahoney D; Tarnopolsky M · Medicine and science in sports and exercise · 2004
    Randomized trial42 participantsFitness forCreatine
  3. Long-term creatine intake is beneficial to muscle performance during resistance training.
    Vandenberghe K; Goris M; Van Hecke P; Van Leemputte M; Vangerven L; Hespel P · Journal of applied physiology (Bethesda, Md. : 1985) · 1998
    Randomized trial19 participantsFitness forCreatine
  4. Effects of Combined Versus Single Supplementation of Creatine, Beta-Alanine, and L-Citrulline During Short Sprint Interval Training on Basketball Players' Performance: A Double-Blind Randomized Placebo-Controlled Trial.
    Li M; Sheykhlouvand M · International journal of sports physiology and performance · 2025
    Randomized trial48 participantsFitness forCreatine
  5. The Additive Effects of Creatine Supplementation and Exercise Training in an Aging Population: A Systematic Review of Randomized Controlled Trials.
    Stares A; Bains M · Journal of geriatric physical therapy (2001) · 2021
    Systematic review17 studies pooledFitness forCreatine