Bulk Complete Mass Gainer
by Bulk
Compare Prices
Bulk Complete Mass Gainer is a high-calorie powder delivering 500 kcal, 45g protein, and 65g carbohydrates per 135g serving, designed for hardgainers and athletes seeking a convenient calorie surplus. Best for Hardgainers struggling to meet calorie targets through food alone and Budget-conscious athletes on a bulk.
According to the AIScored 0–100 scoring system, Bulk Complete Mass Gainer by Bulk scores 63.0/100, ranking #20 out of 23 products in Mass Gainers (2026). Strongest category: Value For Money (82.0/100). Weakest: Certifications (22.0/100).
Is Bulk Complete Mass Gainer worth buying?
“If you're a hardgainer after honest results without paying premium prices, Bulk Complete Mass Gainer does the job—500 calories and 45g protein per serving is exactly what you need to hit your surplus. Scoring 63/100 reflects that while the formula isn't fancy, reviewers genuinely report it works for weight and muscle gain, so it's worthwhile if you just need functional calories.”
What Do Reviewers Say About Bulk Complete Mass Gainer?
Sample excerpts from currently available source material used in this product analysis.
"This mass gainer does what it’s supposed to do. I’ve definitely gained weight and seen muscle increases since using it. The vanilla flavour tastes good enough and isn’t overly artificial, which I appreciate. However, the recommended 4 scoop..."
"Mixes well, no lumps. Smooth. I have a shaker with a net which mixes well. Taste is okay."
"Auflösen dauert ab und an, verklumpt zu Beginn etwas, wenn man ihn aber vorbereitet und später trinkt, ists normalerweise nichts mehr verklumpt. Ansonsten sagt auch die Waage er tut was er soll - Geschmack ist für mich ebenfalls in Ordnung...."
"Ottimo prodotto, gusto gradito anche dopo numerosi dosi, peso calorico non eccessivo quindi perfetto per integrare deficit di basso valore, possibilità anche di raddoppiare la dose in caso di deficit importante"
"I picked up the Bulk Complete Mass Gainer (Vanilla) to help hit my surplus calories during a bulk, as eating enough clean food was becoming a chore. This 2.5kg bag offers a serious calorie hit, but it is a different beast compared to standa..."
How does Bulk Complete Mass Gainer score?
Detailed score breakdown and key findings from our analysis of 11 reviews across 1 source.
Pros
- +Excellent calorie density (500 kcal per serving) at a competitive UK market price
- +Confirmed effective for weight and muscle gain across multiple reviews
- +Decent macronutrient split (45g protein / 65g carbs) suitable for post-workout or between meals
- +Reputable UK brand (Bulk) with consistent quality and availability
- +Vanilla flavour considered acceptable, blends well with additional ingredients
Cons
- -Clumps badly — blender is practically required; standard shaker ball is insufficient
- -Artificial flavour profile across most variants; many reviewers find the taste unpleasant without additives
- -Full serving (135g in 400ml water) produces a very thick, hard-to-drink shake — splitting into two half-servings is commonly recommended
- -Not third-party tested; no Informed Sport or similar certification
Best For
Watch Out
- !Not suitable for those expecting easy shaker preparation — blender strongly recommended
- !Flavour quality is poor without mixing in extras (banana, oats, peanut butter)
- !Serving size guidance may be unrealistic for first-time users — start with half a serving
- !No third-party testing; not suitable for tested athletes (e.g. WADA-regulated sports)
What is Bulk Complete Mass Gainer?
Bulk Complete Mass Gainer is a mass gainers product by Bulk in powder form, scoring 63.0/100 on AIScored.
- • Complete Mass Gainer delivers 45g of protein and 65g of carbohydrates per 135g serving, totalling 500 kcal.
- • It's designed for athletes and bodybuilders who need a convenient way to meet their daily calorie and protein targets for muscle growth and recovery.
- • The blend of protein and carbohydrates supports muscle repair after training, and it works equally well between meals or post-workout.
- • Available in a range of flavours, it mixes smoothly with water or milk for easy preparation any time of day.
Is Bulk Complete Mass Gainer 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 Bulk Complete Mass Gainer Compare?
See how this product stacks up against the top-rated mass gainers in our database.
| Product | Score | Price |
|---|---|---|
| Bulk Complete Mass Gainer (this) | 63.0 | £27.49 |
| Critical Mass Professional Lean ... | 80.0 | £40.00 |
| Critical Mass Professional Lean ... | 74.0 | £52.95 |
Price History (90 days)
Quick Facts
- Form
- Powder
- Vegan
- No
Frequently Asked Questions
Is Bulk Complete Mass Gainer worth buying in 2026? ▼
What is the best price for Bulk Complete Mass Gainer in the UK? ▼
What are the pros and cons of Bulk Complete Mass Gainer? ▼
Is Bulk Complete Mass Gainer third-party tested? ▼
How does Bulk Complete Mass Gainer 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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Critical Mass Professional Lean Mass Gainer Banana 6kg (40 Servings)
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