Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings)
by Applied Nutrition
Applied Nutrition Critical Mass Professional is a high-calorie lean mass gainer delivering 1,000+ calories and 42g of protein per 150g serving, built around ISO-XP 95% Whey Protein Isolate with added creatine monohydrate, HMB, glutamine, leucine, CLA, and MCT powder. Best for Hard gainers with high metabolic rates struggling to maintain caloric surplus and Athletes in off-season or dedicated bulking phases.
According to the AIScored 0–100 scoring system, Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) by Applied Nutrition scores 74.0/100, ranking #3 out of 23 products in Mass Gainers (2026). Strongest category: Certifications (83.0/100). Weakest: Value For Money (71.0/100).
Is Critical Mass Professional Lean ... worth buying?
“Critical Mass Professional from Applied Nutrition delivers 1,000+ calories and 42g of protein per serving, which is substantial enough to genuinely help hard gainers hit their targets. Scoring 74/100, it's strengthened by Informed Sport certification and a useful array of extras like creatine monohydrate and HMB beyond just the protein base.”
What Do Reviewers Say About Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings)?
Sample excerpts from currently available source material used in this product analysis.
"Disgusting is like a medicine 🤢🤢💊 dont try it cuz look nice just from the packaging"
"Hi everyone one, I did not like the test , the test is not like chocolate, ,I bought the same powder Before but test of this product its not the same as previous one ."
"Great tasting with minimal sugars in it.. Helped me gain back size n strength after a Hip Replacement surgery and losing my appetite for 2 weeks and losing 14lb / a stone.. 😱"
"1st batch of this I had was quite nice, 2nd batch tastes really chemically… kinda put me off future purchases"
"it’s the second time also the second time that I order from the seller instead of from another (High Street physical shop) and I have to say I am pleasantly surprised, it arrived on time, the taste is exactly the one that I like, and they a..."
How does Critical Mass Professional Lean Mass ... score?
Detailed score breakdown and key findings from our analysis of 9 reviews across 2 sources.
Pros
- +1,000+ calories per serving well-suited to hard gainers who struggle to hit caloric surplus
- +Informed Sport registered — meaningful third-party quality and contamination testing
- +Comprehensive formula beyond just protein: creatine monohydrate, HMB, glutamine, CLA, and MCT
- +Reduced-sugar formulation compared to older mass gainers — favourable for lean bulk
- +Most reviewers report tangible gains in size and strength, including post-surgery recovery use
Cons
- -Taste inconsistency across batches — some report a chemical or medicinal aftertaste in the strawberry flavour
- -150g per serving is a very high volume, potentially difficult for smaller individuals or those with lower appetite
- -Not vegan — whey-based formula unsuitable for plant-based users
- -1,000+ kcal per serving requires careful use; excess can lead to unwanted fat gain if training volume is not sufficient
Best For
Watch Out
- !Batch-to-batch taste variation — strawberry flavour has received polarised reviews
- !High caloric density means a single serving could easily overshoot daily targets if diet is not tracked
- !Contains common allergens — allergen details not fully specified in listing; those with dairy sensitivities should verify
- !Not suitable for those in a caloric deficit or fat-loss phase due to very high calorie load per serving
What is Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings)?
Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) is a mass gainers product by Applied Nutrition in powder form, scoring 74.0/100 on AIScored.
- • Applied Nutrition Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) The UK's most trusted mass gainer for serious size & strength – Critical Mass Professional is the ultimate high-calorie weight gainer.1,000+ calories per serving – packed with high-quality protein & carbs – delivers a caloric surplus essential for lean muscle gain.Powerful creatine & glutamine complex for performance & recovery – enhanced with creatine monohydrate.Optimal weight gain formula for hard gainers & athletes.Easy mixing & delicious flavours for maximum enjoyment – designed for convenience, this instantized protein powder mixes effortlessly in water or milk, creating a smooth, creamy texture with no lumps or grittiness.Informed Sport Registered & Halal Certified.Added HMB, Glutamine, Leucine & Creatine Matrix.
- • Added Fats: CLA & MCT Powder.
- • Critical Mass is quite simply the UK's favourite and trusted mass gain supplement, it uses the highest quality of ingredients, all of which have been carefully selected for the ability to deliver quality Lean Mass Gainz allowing you to rack up the calories for your daily count.New reduced sugar formulation contains 42g of both fast and slowly digested proteins per serving including ISO-XP 95% Whey Protein Isolate.
- • UK: Applied Nutrition Limited, Trio, Acornfield Road, Knowsley, L33 7UGEU: Applied Nutrition Limited, Unit 495, Moat House, 54 Bloomfield Avenue, Belfast, BT5 5AD.
Is Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
How Does Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) Compare?
See how this product stacks up against the top-rated mass gainers in our database.
| Product | Score | Price |
|---|---|---|
| Critical Mass Professional Lean ... (this) | 74.0 | £52.95 |
| Critical Mass Professional Lean ... | 80.0 | £40.00 |
Price History (90 days)
Quick Facts
- Form
- Powder
- Serving
- 150 g
- Vegan
- No
Frequently Asked Questions
Is Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) worth buying in 2026? ▼
What is the best price for Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) in the UK? ▼
What are the pros and cons of Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings)? ▼
Is Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) third-party tested? ▼
How does Critical Mass Professional Lean Mass Gainer Strawberry 6kg (40 Servings) compare to Critical Mass Professional Lean Mass Gainer Banana 2.4kg (16 Servings)? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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