Diet Protein Strawberry Milkshake 450g (18 Servings) vs Myprotein Slow-Release Casein 2.5kg

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Diet Protein Strawberry Milkshake 450g (18 Servings) and Myprotein Slow-Release Casein 2.5kg.

Last verified: 07 Apr 2026 · Based on 17 reviews

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70.0

Quick Answer

Diet Protein Strawberry Milkshake 450g (18 Servings) scores 70.0/100 vs Myprotein Slow-Release Casein 2.5kg at 70.0/100. Diet Protein Strawberry Milkshake 450g (18 Servings) wins on effectiveness, ingredient quality, side effects. Myprotein Slow-Release Casein 2.5kg is stronger on value for money and certifications.

Which is better: Diet Protein Strawberry Mil... or Myprotein Slow-Release Casein 2.5kg?

Applied Nutrition Diet Protein edges ahead on effectiveness (80 vs 74) and costs significantly less at £15 versus £67.64, making it the better pick for most users. Myprotein Casein suits dedicated bodybuilders specifically wanting slow overnight protein release, as micellar casein's digestion rate genuinely differs from whey-based blends.

— AIScored Editorial Team

How Do the Scores Compare?

Diet Protein Strawberry Mil...

Myprotein Slow-Release Casein 2.5kg

	Diet Protein Strawberry Mil... Applied Nutrition	Myprotein Slow-Release Casein 2.5kg Myprotein
Overall Score	70.0	70.0
Effectiveness	80.0/100 Best	74.0/100
Ingredient Quality	70.0/100 Best	68.0/100
Value for Money	80.0/100	82.0/100 Best
Side Effects	80.0/100 Best	76.0/100
Certifications	30.0/100	32.0/100 Best
Best Price	£15.00 Holland & Barrett → Cheapest	£67.64 Amazon UK →
Price per Serving	N/A	£0.81 83 servings
Form	None	Powder
Dose	None	23g protein per 30g serving
Third-Party Tested	✗ No	✗ No
Reviews Analysed	4	13

Diet Protein Strawberry Milkshak...

Pros

✓Excellent taste and palatability (all 4 reviewers mentioned flavor positively)
✓Mixes easily without clumping (explicitly noted by reviewers)
✓High protein content at 20g per serving with 4g+ BCAAs for muscle recovery
✓Suitable for users with ingredient sensitivities or allergies to major brands

Cons

✗No third-party testing or certifications (affects ingredient verification and purity claims)
✗Weight management ingredients (CLA, L-Carnitine) have modest evidence for fat loss at typical supplement doses
✗Product is not vegan, limiting appeal to plant-based dieters
✗Limited review data (only 4 reviews) restricts confidence in consistency claims

Best For

Post-workout muscle recovery and protein supplementation People with allergies or sensitivities to major supplement brands Those seeking convenient high-protein meal replacements Weight management support alongside exercise Fitness enthusiasts prioritizing taste and mixability

Holland & Barrett £15.00

View full review →

Myprotein Slow-Release Casein 2.5kg

Pros

✓Micellar casein — the most bioavailable, slowest-digesting form ideal for overnight recovery
✓Cleaner additive profile than ON Gold Standard Casein — single thickener (xanthan gum), no carrageenan
✓Strong value for money — casein at Myprotein pricing with 83 servings per 2.5kg tub
✓Good mixability reported — dissolves quickly in liquid, uncommon for casein

Cons

✗Not third-party tested (Informed Sport, NSF) — relevant for athletes subject to testing
✗Contains soy lecithin — unsuitable for soy-allergic users; may contain gluten, egg, nuts
✗Casein taste can be chalky or overly sweet — one reviewer noted sweetness as a concern
✗Myprotein customer service has recurring complaints; discount codes not auto-applied at checkout

Best For

Bodybuilders and strength athletes using casein before bed for overnight muscle protein synthesis Budget-conscious gym-goers wanting slow-release protein at a lower price point than whey isolate People blending casein with whey concentrate for improved texture in shakes or high-protein desserts Anyone wanting a UK-made casein with a cleaner ingredient list than American alternatives

Amazon UK £67.64

View full review →

What does the data say about Diet Protein Strawberr... vs Myprotein Slow-Release...?

Myprotein Slow-Release Casein comes as a 2.5kg powder with 23g protein from micellar casein in each 30g serving. This slow-digesting form keeps amino acids trickling into your system for hours which suits overnight muscle recovery. Applied Nutrition Diet Protein Strawberry Milkshake packs 20g protein plus over 4g BCAAs per serving in a smaller 450g tub designed as a quick post-workout shake or meal replacement. The two share the same overall score of 70/100 yet Diet Protein edges ahead on effectiveness at 80/100 against 74/100 and ingredient quality at 70/100 versus 68/100 while Myprotein casein takes the value lead at 82/100 compared with 80/100.

Bodybuilders who train hard and want cheap slow-release protein before bed should grab the Myprotein casein since it costs £67.64 for 83 servings and mixes well with whey for better texture in desserts. People after a tasty convenient option for daily recovery or weight management will prefer the Applied Nutrition shake at just £15 for 18 servings because it tastes great and blends without lumps. Those on tight budgets get far more product from the bigger Myprotein tub.

Taste separates them clearly. Reviewers raved about the strawberry milkshake flavour and easy mixing of the Applied Nutrition one. The casein has a cleaner additive list with only xanthan gum but it contains soy lecithin so anyone allergic to soy needs to avoid it. Both work fine for most gym users yet your goals decide the winner.

Diet Protein Strawberry Milkshake 450g (18 Servings) Winner 70.0/100

Applied Nutrition Diet Protein Strawberry Milkshake receives unanimous 5/5 ratings from 4 reviewers who praise its taste, mixability, and muscle recovery support.

Effectiveness

Diet Protein Str..

80.0/100

Myprotein Slow-R..

74.0/100

Ingredient Quality

Diet Protein Str..

70.0/100

Myprotein Slow-R..

68.0/100

Value for Money

Diet Protein Str..

80.0/100

Myprotein Slow-R..

82.0/100

Side Effects

Diet Protein Str..

80.0/100

Myprotein Slow-R..

76.0/100

Certifications

Diet Protein Str..

30.0/100

Myprotein Slow-R..

32.0/100

What are the key differences?

Diet Protein Strawberry.. is best for: Post-workout muscle recovery and protein supplementation, People with allergies or sensitivities to major supplement brands

Myprotein Slow-Release .. is best for: Bodybuilders and strength athletes using casein before bed for overnight muscle protein synthesis, Budget-conscious gym-goers wanting slow-release protein at a lower price point than whey isolate

Frequently Asked Questions

Which is better, Diet Protein Strawberry Milkshake 450g (18 Servings) or Myprotein Slow-Release Casein 2.5kg? ▼

Diet Protein Strawberry Milkshake 450g (18 Servings) scores 70.0/100 overall while Myprotein Slow-Release Casein 2.5kg scores 70.0/100. Both score equally overall — the difference comes down to individual dimensions. Diet Protein Strawberry Milksh is best suited for Post-workout muscle recovery and protein supplementation and People with allergies or sensitivities to major supplement brands. Myprotein Slow-Release Casein 2.5kg is better for Bodybuilders and strength athletes using casein before bed for overnight muscle protein synthesis and Budget-conscious gym-goers wanting slow-release protein at a lower price point than whey isolate.

Is Diet Protein Strawberry Milkshake 450g (18 Servings) worth the price compared to Myprotein Slow-Release Casein 2.5kg? ▼

Diet Protein Strawberry Milkshake 450g (18 Servings) costs £15.00 while Myprotein Slow-Release Casein 2.5kg is £67.64. For value, Diet Protein Strawberry Milkshake 450g (18 Servings) scores 80.0/100 vs Myprotein Slow-Release Casein 2.5kg's 82.0/100. Myprotein Slow-Release Casein 2.5kg delivers better value relative to its quality.

Which has fewer side effects? ▼

Diet Protein Strawberry Milkshake 450g (18 Servings) scores 80.0/100 for side effects (higher means fewer reported issues) while Myprotein Slow-Release Casein 2.5kg scores 76.0/100. Reviewers report fewer side effects with Diet Protein Strawberry Milkshake 450g (18 Servings). For certification and testing, Diet Protein Strawbe scores 30.0/100 vs Myprotein Slow-Relea's 32.0/100. Always consult a healthcare professional before starting any supplement.

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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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