Skip to content

Cheapest mass Gainer

Calorie- and carb-rich protein powder for gaining weight (weight/mass gainer).

499 prices scanned6 storesupdated 4 minutes ago

Best price right now
£6.50per kg
You save £5.64 per kg
The Bulk Protein Company Vegan Gainz - 4kg – Chocolate
The Bulk Protein Company Vegan Gainz - 4kg – Chocolate
Bodybuilding Warehouse
Compare price
Each format is compared on its own, by the unit it is sold in.
27 of 51 products · lowest price across 6 stores
Sort by
The Bulk Protein Company Vegan Gainz - 4kg – Chocolate
The Bulk Protein Company · 4 kg
Powder
£6.50
View
The Bulk Protein Company Serious Gainz – Banana / 5kg
The Bulk Protein Company · 5 kg
Powder
£8.00
View
Applied Nutrition Critical Mass 6kg – 6kg / Banana
£9.67
View
Bulk 1000 Mass Gainer
Bulk · 4.05 kg
Powder
Bulk logoBulk
In stock
£10.86
View
Vegan Mass Gainer
Bulk · 2.5 kg
Powder
Bulk logoBulk
In stock
£12.00
View
Mass Gainer
Bulk · 1 kg
Powder
Bulk logoBulk
In stock
£12.99
View
Impact Weight Gainer
Myprotein · 5 kg
Powder
Myprotein logoMyprotein
In stock
£13.50
View
Serious Mass 12lb - Chocolate
Optimum Nutrition · 5.443 kg
Powder
£14.88
View
Optimum Nutrition Serious Mass – 2.7kg / Banana
Optimum Nutrition · 2.7 kg
Powder
£15.55
View
Carnivor Mass Big Steer 1250 15lb Chocolate Fudge
£16.75
View
Origin Mass Gainer
Myprotein · 2.74 kg
Powder
Myprotein logoMyprotein
In stock
£16.78
View
Super Mass Gainer 2.94kg Strawberry
Dymatize · 2.94 kg
Powder
£18.36
View
Carnivor Mass 2.7kg Chocolate Fudge
Musclemeds · 2.7 kg
Powder
£22.59
View

Prices include VAT and exclude shipping. Price per kg makes products of different sizes truly comparable.

Some links on this page are affiliate links: if you buy through one, we earn a commission. This does not affect our price comparison. We always show the lowest price per unit.

Frequently asked questions

What is the cheapest mass Gainer right now?

The lowest price is now £6.50 per kg, for The Bulk Protein Company Vegan Gainz - 4kg – Chocolate at Bodybuilding Warehouse. Our scanner checks prices daily, so the ranking on this page is up to date.

Why do we compare mass Gainer per kg?

Pack sizes vary widely, so only the price per kilo shows what you really pay. We convert every price to the same unit, so you're comparing like with like.

How many stores are scanned for mass Gainer?

This comparison currently includes 53 products from 6 stores. Our scanner keeps re-reading the whole market, so new products and price changes appear automatically.

Often searched around

Also compare