Optimum Nutrition Marshmallow Crunch Bar vs Optimum Nutrition Chocolate Brownie Bar
Side-by-side comparison of scores, ingredients, prices and real customer feedback for Optimum Nutrition Marshmallow Crunch Bar and Optimum Nutrition Chocolate Brownie Bar.
Last verified: 18 Feb 2026 · Based on 8 reviews
Optimum Nutrition Marshmallow Crunch Bar scores 80.0/100 vs Optimum Nutrition Chocolate Brownie Bar at 70.0/100. Optimum Nutrition Marshmallow Crunch Bar wins on value for money. Optimum Nutrition Chocolate Brownie Bar is stronger on certifications.
How Do the Scores Compare?
Marshmallow Crunch Protein Bar 65g
Optimum Nutrition
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Chocolate Brownie Crunch Pr...
Optimum Nutrition
|
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|---|---|---|
| Overall Score | 80.0 | 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
|
70.0/100 |
| Side Effects |
80.0/100
Best
|
80.0/100
Best
|
| Certifications | 30.0/100 |
40.0/100
Best
|
| Best Price |
£2.20
Amazon UK →
Cheapest
|
£24.00 Holland & Barrett → |
| Form | Bar | None |
| Dose | None | None |
| Third-Party Tested | ✗ No | ✗ No |
| Reviews Analysed | 4 | 4 |
Marshmallow Crunch Protein Bar 65g
Pros
- ✓Excellent taste and texture - all reviewers specifically commended flavor profile
- ✓High protein content (20g) with no added sugar, supporting muscle support goals
- ✓Competitively priced compared to other premium protein bar brands
- ✓Vegetarian-friendly formula
Cons
- ✗Contains multiple major allergens (gluten, milk, eggs, nuts, soy, peanuts) - unsuitable for those with allergies or severe intolerances
- ✗Not third-party tested - no independent verification of nutrient claims or purity
- ✗Not vegan - contains animal-derived ingredients, limiting accessibility
- ✗Contains naturally occurring sugars despite 'no added sugar' marketing - total sugar content not disclosed in reviews
Best For
Chocolate Brownie Crunch Protein...
Pros
- ✓Excellent taste and texture - all reviews highlight delicious chocolate and crunchy crispy layers
- ✓High protein content (20g per bar) supports muscle recovery and satiety
- ✓No added sugar formulation suits low-sugar diet preferences
- ✓Vegetarian-friendly option from a reputable established brand
Cons
- ✗Contains naturally occurring sugars despite 'no added sugar' claim - may not suit strict keto dieters
- ✗No third-party testing certification limits independent verification of label claims
- ✗Likely contains artificial sweeteners to achieve zero added sugar without excessive calories
- ✗Limited review base (4 reviews) - potential for selection bias toward satisfied customers
Best For
Score Breakdown: Optimum Nutrition Marshmallow Crunch Bar vs Optimum Nutrition Chocolate Brownie Bar
Optimum Nutrition's Marshmallow Crunch Protein Bar is a 20g protein bar with white chocolate and marshmallow flavour, receiving unanimous 5-star ratings from all 4 Holland & Barrett reviewers.
What are the key differences?
Frequently Asked Questions
Which is better, Optimum Nutrition Marshmallow Crunch Bar or Optimum Nutrition Chocolate Brownie Bar? ▼
Is Optimum Nutrition Marshmallow Crunch Bar worth the price compared to Optimum Nutrition Chocolate Brownie Bar? ▼
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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