Serious Mass Cookies & Cream 2.73kg vs Serious Mass Cookies & Cream 5.4kg
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Serious Mass Cookies & Cream 2.73kg and Serious Mass Cookies & Cream 5.4kg.
Last verified: 07 Apr 2026 · Based on 8 reviews
Serious Mass Cookies & Cream 2.73kg scores 70.0/100 vs Serious Mass Cookies & Cream 5.4kg at 70.0/100.
Which is better: Serious Mass Cookies & Cream 2.73kg or Serious Mass Cookies & Cream 5.4kg?
The 5.4kg bag wins on economy — at £58 versus £40, you get nearly double the servings for a 45% price increase, making it the smarter buy for committed bulkers. It also includes 3g creatine per serving, adding genuine training value. Choose the 2.73kg if you want a lower upfront cost or are testing the flavour before committing.
— AIScored Editorial Team
How Do the Scores Compare?
Serious Mass Cookies & Cream 2.73kg
Optimum Nutrition
|
Serious Mass Cookies & Cream 5.4kg
Optimum Nutrition
|
|
|---|---|---|
| Overall Score | 70.0 | 70.0 |
| Effectiveness |
80.0/100
Best
|
80.0/100
Best
|
| Ingredient Quality |
70.0/100
Best
|
70.0/100
Best
|
| Value for Money |
80.0/100
Best
|
80.0/100
Best
|
| Side Effects |
70.0/100
Best
|
70.0/100
Best
|
| Certifications |
30.0/100
Best
|
30.0/100
Best
|
| Best Price |
£40.00
Holland & Barrett →
Cheapest
|
£58.00 Holland & Barrett → |
| Form | powder | powder |
| Dose | None | None |
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 4 | 4 |
Serious Mass Cookies & Cream 2.73kg
Pros
- ✓Excellent taste and mixability (mentioned in 3 of 4 reviews)
- ✓High calorie density (1,250 kcal per serving) supports rapid weight gain for hardgainers
- ✓50g protein per serving aids muscle protein synthesis and recovery
- ✓Added 3g creatine monohydrate per serving (evidence-based for strength and muscle gains)
Cons
- ✗Extremely high sugar content (12g per serving) and 250g carbs may cause energy crashes or GI distress in sensitive individuals
- ✗Not third-party tested or certified (no NSF, Informed-Sport, or banned substance screening listed)
- ✗Contains common allergens (milk, soy, wheat, gluten) limiting accessibility
- ✗Very high serving size (336g per scoop) makes convenient dosing impractical; typically mixed with large volumes of liquid
Best For
Serious Mass Cookies & Cream 5.4kg
Pros
- ✓Excellent user satisfaction (100% 5-star reviews) with consistent praise for taste and smoothness
- ✓Comprehensive calorie and protein delivery (1,250 kcal + 50g protein) for serious mass gain goals
- ✓Added creatine monohydrate (3g per serving) supports performance and strength gains
- ✓Broad micronutrient fortification including vitamins B-complex, C, E, and minerals for recovery
Cons
- ✗Very high sugar content (12g per serving) and simple carbohydrates (maltodextrin) may cause energy crashes
- ✗Not third-party tested; no NSF Certified for Sport or similar verification
- ✗Multiple allergens (milk, soy, wheat, eggs) limit accessibility; high sodium (1.48g per serving)
- ✗High saturated fat per serving (4g) may be a concern for some cardiovascular profiles
Best For
What does the data say about Serious Mass Cookies &... vs Serious Mass Cookies &...?
Both products are the same formula — Optimum Nutrition Serious Mass in Cookies & Cream flavour, delivering 1,250 kcal and 50g protein per serving alongside 250g of carbohydrates, primarily from maltodextrin. The 5.4kg tub also lists creatine monohydrate at 3g per serving, which is a meaningful addition for anyone not already supplementing creatine separately.
The straightforward difference is size and upfront cost. At £40 for 2.73kg, the smaller tub suits someone trying Serious Mass for the first time or with limited storage. The 5.4kg at £58 works out considerably cheaper per serving and makes sense if you already know you get on with the taste and digestion. Both score identically across effectiveness, ingredient quality, and value — all 70 or 80 out of 100 — so there is no quality trade-off either way.
If your stomach struggles with large boluses of maltodextrin or high sugar loads, neither size solves that problem. Pick the smaller tub to test tolerance first, then move to the larger format once you are confident it suits you.
Serious Mass Cookies & Cream is a high-calorie weight gain formula by Optimum Nutrition delivering 1,250 calories and 50g protein per serving, with added creatine for performance support.
What are the key differences?
Frequently Asked Questions
Which is better, Serious Mass Cookies & Cream 2.73kg or Serious Mass Cookies & Cream 5.4kg? ▼
Is Serious Mass Cookies & Cream 2.73kg worth the price compared to Serious Mass Cookies & Cream 5.4kg? ▼
Which has fewer side effects? ▼
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Disclaimer: AIScored provides data-driven comparisons based on publicly available reviews. This is not medical advice. Affiliate links may earn us a commission at no extra cost to you.
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