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Bulk Informed Mass vs Critical Mass Chocolate

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Bulk Informed Mass and Critical Mass Chocolate.

Last verified: 01 Mar 2026 · Based on 18 reviews

77.0
Score Summary

Bulk Informed Mass scores 77.0/100 vs Critical Mass Chocolate at 70.0/100. Bulk Informed Mass wins on ingredient quality, certifications. Critical Mass Chocolate is stronger on effectiveness and value for money.

How Do the Scores Compare?

Informed Mass, Strawberries...
Critical Mass Professional ...
Informed Mass, Strawberries and Cream, 3kg
Informed Mass, Strawberries...
Bulk
Critical Mass Professional Lean Mass Gainer Chocolate 2.4Kg (40 Servings)
Critical Mass Professional ...
Applied Nutrition
Overall Score 77.0 70.0
Effectiveness 72.0/100 80.0/100
Best
Ingredient Quality 83.0/100
Best
70.0/100
Value for Money 76.0/100 80.0/100
Best
Side Effects 78.0/100 80.0/100
Best
Certifications 85.0/100
Best
30.0/100
Best Price £45.00 Amazon UK →
Cheapest
£67.50 Holland & Barrett →
Price per Serving £2.25 20 servings N/A
Form Powder None
Dose 45g protein, 550+ kcal per serving None
Third-Party Tested ✗ No ✗ No
Reviews Analysed 14 4

Informed Mass, Strawberries and ...

Pros

  • No maltodextrin — oat flour provides complex carbs with a lower glycaemic impact, widely praised by reviewers
  • Informed Sport certified, providing reliable banned-substance assurance for competitive athletes
  • Added creatine monohydrate (3g) and HMB (1.5g) add meaningful ergogenic value beyond a standard gainer
  • Generally well-tolerated, with DigeZyme enzyme blend supporting digestion of the large serving size

Cons

  • Mixes poorly in a shaker without a blender — clumping and undissolved particles reported by multiple reviewers
  • Thick, heavy texture is polarising; some users found it unpleasant to drink
  • Only 20 servings per 3kg bag — serving size (150g) is large and the bag depletes quickly
  • Taste described as average to decent across flavours; some find it overly saline or requiring large water volume

Best For

Drug-tested competitive athletes needing a certified mass gainer Hard gainers struggling to meet caloric surplus through food alone Experienced gym-goers who already own a blender and want a cleaner gainer Users specifically avoiding maltodextrin or high-sugar mass gainers
View full review →

Critical Mass Professional Lean ...

Pros

  • Excellent taste and smooth mixing (all reviewers noted this)
  • 1,000+ calories per serving supports lean muscle gain efficiently
  • Well-tolerated by beginners and sensitive digestive systems
  • Good value for price point (noted by reviewers)

Cons

  • Not third-party tested or certified (no banned substance verification)
  • High calorie density may not suit users with smaller appetites or cutting phases
  • Only 4 reviews available; limited sample size for reliability assessment
  • May contain added sugars typical of mass gainers (nutritional label not provided)

Best For

Hard gainers seeking muscle growth Beginners new to mass gainers Athletes with higher caloric needs Individuals with sensitive digestive systems Budget-conscious fitness enthusiasts
View full review →

Score Breakdown: Bulk Informed Mass vs Critical Mass Chocolate

Bulk Informed Mass Winner 77.0/100

Bulk's Informed Mass is a premium lean mass gainer built around a tri-protein blend (whey concentrate, isolate, and casein) delivering 45g protein and 550+ kcal per serving from oat flour rather than maltodextrin — a distinction repeatedly praised by reviewers.

Effectiveness
Informed Mass, S..
72.0/100
Critical Mass Pr..
80.0/100
Ingredient Quality
Informed Mass, S..
83.0/100
Critical Mass Pr..
70.0/100
Value for Money
Informed Mass, S..
76.0/100
Critical Mass Pr..
80.0/100
Side Effects
Informed Mass, S..
78.0/100
Critical Mass Pr..
80.0/100
Certifications
Informed Mass, S..
85.0/100
Critical Mass Pr..
30.0/100

What are the key differences?

Bulk Informed Mass is best for: Drug-tested competitive athletes needing a certified mass gainer, Hard gainers struggling to meet caloric surplus through food alone
Critical Mass Chocolate is best for: Hard gainers seeking muscle growth, Beginners new to mass gainers

Frequently Asked Questions

Which is better, Bulk Informed Mass or Critical Mass Chocolate?
Bulk Informed Mass scores 77.0/100 overall while Critical Mass Chocolate scores 70.0/100. Bulk Informed Mass comes out ahead, scoring higher on effectiveness (72.0 vs 80.0). Bulk Informed Mass is best suited for Drug-tested competitive athletes needing a certified mass gainer and Hard gainers struggling to meet caloric surplus through food alone. Critical Mass Chocolate is better for Hard gainers seeking muscle growth and Beginners new to mass gainers.
Is Bulk Informed Mass worth the price compared to Critical Mass Chocolate?
Bulk Informed Mass costs £45.00 while Critical Mass Chocolate is £67.50. For value, Bulk Informed Mass scores 76.0/100 vs Critical Mass Chocolate's 80.0/100. Critical Mass Chocolate delivers better value relative to its quality.
Which has fewer side effects?
Bulk Informed Mass scores 78.0/100 for side effects (higher means fewer reported issues) while Critical Mass Chocolate scores 80.0/100. Reviewers report fewer side effects with Critical Mass Chocolate. For certification and testing, Bulk Informed Mass scores 85.0/100 vs Critical Mass Chocolate's 30.0/100. Always consult a healthcare professional before starting any supplement.

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