Mass Gainers

Compare weight gainers and mass gainers when calorie intake, shake convenience, and protein content all matter. This page is designed for shoppers who already know high-calorie products are the goal and now need to compare serving size, carbohydrate profile, overall value, flavour style, and the formula approach that fits the plan.

12 Products
£25 off
£34.99 £59.99
(£2.99 per serving)
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1000 Calories
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50g Protein
£7 off
£32.99 £39.99
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High Protein
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High Calorie
£20 off
£39.99 £59.99
(£1.19 per serving)
£17 off
£42.99 £59.99
(£2.39 per serving)
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High Calorie
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High Protein
£12 off
£27.99 £39.99
(£1.33 per serving)
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Muscle Builder
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High Protein
£16 off
£53.99 £69.99
(£1.74 per serving)
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High Protein
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High Calorie
£7.04 off
£52.95 £59.99
(£1.49 per serving)
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High Calorie
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High Protein
£0.04 off
£44.95 £44.99
(£2.24 per serving)
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High Protein
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High Calorie
£3.96 off
£45.99 £49.95
(£1.99 per serving)
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High Protein
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High Calorie
£59.99
(£3.59 per serving)
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High Calorie
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High Protein
£12 off
£27.99 £39.99
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High Protein
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High Calorie
£34.04 off
£44.95 £78.99
(£4.38 per serving)

Browse weight gainer and mass gainer products when calorie intake, protein intake, and shake convenience all matter. If you want to compare neighbouring options, move to whey protein for standard protein powders or meal replacements for a different all-in-one format. Use this page when high-calorie shakes are the main priority rather than leaner protein-only products.

Frequently Asked Questions

Common questions about calorie surplus, timing, and how mass gainers fit into a bulking plan.

What do mass gainers do?

Mass gainers make it easier to increase calorie and protein intake in shake form. They are typically used when someone struggles to eat enough food to support a calorie surplus.

How do I gain weight?

Healthy weight gain usually comes from a controlled calorie surplus, enough protein, and consistent resistance training. Mass gainers can be a convenient support tool, but the wider diet still matters most.

What is a calorie surplus, and how do I achieve it?

A calorie surplus means taking in more calories than you use. It can be achieved through food, higher-calorie shakes, or both, but the surplus should still be controlled rather than excessive.

When is the best time to take mass gainer shakes?

Most people use mass gainers after training or between meals when extra calories are hardest to fit into the day. The best timing is the one that helps you stay consistent without replacing normal meals unnecessarily.

Are mass gainers bad for you?

Mass gainers are not automatically bad for you, but they should still be chosen around ingredient profile, serving size, and your total diet. They are best used to support a plan rather than to replace normal food completely.