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Mass Gainers

Guides and comparisons How to compare whey protein products

Mass gainers are high-calorie protein and carbohydrate blends sold for weight-gain routines. They sit under Weight Gainers & Carbs, separate from pure carb powders. Compare pack weight, flavour and brand with the same shipping policy as the rest of the shop.

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Price per kilogram = pack price ÷ net quantity in kilograms. Prices include the selected country’s VAT; delivery is separate.

Mutant Mass, Strawberry Banana - 6800 grams Mutant Mutant Mass, Strawberry Banana - 6800 grams Metabolic Mass Gainer, Almond - 6000 grams Dorian Yates Metabolic Mass Gainer, Almond - 6000 grams Instant Mass Heavyweight, Strawberries & Cream - 5400 grams Reflex Nutrition Instant Mass Heavyweight, Strawberries & Cream - 5400 grams Critical Mass - Original, Chocolate - 6000 grams Applied Nutrition Critical Mass - Original, Chocolate - 6000 grams
Pack size 6,800 g 6,000 g 5,400 g 6,000 g
Main ingredients Multi-source protein and carbohydrate mass gainer powder Multi-source protein and carbohydrate mass gainer powder Multi-source protein and carbohydrate mass gainer powder Multi-source protein and carbohydrate mass gainer powder
Pack price €108.99 €89.99 €63.99 €48.99
Price per kilogram €16.03 €15.00 €11.85 €8.17
Allergen information Contains milk; may contain soy, nuts and eggs. Contains milk; may contain soy, nuts and eggs. Contains milk; may contain soy, nuts and eggs. Contains milk; may contain soy, nuts and eggs.
Certifications — — — —
Label information Label information Label information Label information Label information

Authorised EU Health Claim (HC-025 • Reg. (EU) 432/2012)

“Carbohydrates contribute to the recovery of normal muscle function (contraction) after highly intensive and/or long-lasting physical exercise leading to muscle fatigue and the depletion of glycogen stores in skeletal muscle”

Conditions of use: The claim may be used only for food which provides carbohydrates which are metabolised by humans (excluding polyols). Information shall be given to the consumer that the beneficial effect is obtained with the consumption of carbohydrates, from all sources, at a total intake of 4 g per kg body weight, at doses, within the first 4 hours and no later than 6 hours, following highly intensive and/or long-lasting physical exercise leading to muscle fatigue and the depletion of glycogen stores in skeletal muscle.

A varied, balanced diet and a healthy lifestyle are important.

Prices include VAT for Ireland. Courier delivery: €6.99; free from €65.00. Estimated delivery: 2–4 working days.

Product facts checked: 2026-10-28.

Frequently asked questions

How is this different from protein powder?

Gainers usually combine protein with a larger carbohydrate portion and a higher calorie density than a standard whey or isolate powder.

Where are carb-only powders?

Carb-only products stay under Carb Supplements when that is how they are classified.

Are serving sizes the same across brands?

No. Always read the pack size and label for the product you open; scoop sizes differ.