Whey Protein Powder From Top UK Brands

Compare whey protein powders across concentrate, isolate, and hydrolysed formats with flavour, size, and budget options in one place. This page is designed as the broad whey starting point before you narrow down into isolate, diet whey, blend formulas, or a more specific protein route with tighter label, mixability, and value comparison.

16 Products
Bestseller£15 off
XL Xtra Whey 2kg container in Banana flavor, high-protein whey supplement.
XL Xtra Whey 2kg container in Bueno flavor, high-protein whey supplement.

XL Nutrition XTRA Whey 2kg

£34.99 £49.99
£0.53 per serving
Best Value Whey Best seller
Bestseller£15 off
The Health Project Ultimate Whey Protein 2kg
The Health Project Ultimate Whey Protein 2kg — image 2

The Health Project Ultimate Whey Protein 2kg

£39.99 £54.99
£0.61 per serving
High Protein Low Calorie
Bestseller£5 off
Efectiv Nutrition Whey Protein Concentrate 2kg
Efectiv Nutrition Whey Protein Concentrate 2kg — image 2

Efectiv Nutrition Whey Protein 2kg

£59.99 £64.99
£1.00 per serving
High Protein Low Calorie
Bestseller
Optimum Nutrition Gold Standard 100% Whey Protein
Optimum Nutrition Gold Standard 100% Whey Protein — image 2

Optimum Nutrition Gold Standard 100% Whey 2.27kg

£39.95 £45.99
£0.53 per serving
Best seller High Protein
£4 off
Applied Nutrition Diet Whey Protein

Applied Nutrition Diet Whey Protein 1.8kg

£25.99 £29.99
£0.65 per serving
High Protein Low Calorie
DY Nutrition Shadowhey Protein Isolate 2kg
DY Nutrition Shadowhey Protein Isolate 2kg — image 2

DY Nutrition Shadowhey Isolate 2kg

£62.95
£0.95 per serving
High Protein Low sugar
£5 off
Applied Nutrition Critical Whey 2kg - Premium Protein Powder
Applied Nutrition Critical Whey 2kg - Premium Protein Powder — image 2

Applied Nutrition Critical Whey 2kg

£44.99 £49.99
£0.75 per serving
High Protein Low Calorie
£5 off
The Health Project Mass Gainer 2kg
The Health Project Mass Gainer 2kg — image 2

The Health Project All In One Mass Gainer 2kg

£34.99 £39.99
£1.17 per serving
Muscle Builder High Protein
DY Nutrition Shadowhey Protein Hydrolysate 2kg
DY Nutrition Shadowhey Protein Hydrolysate 2kg — image 2

DY Nutrition Shadowhey Hydrolysate 2kg

£64.95 £64.99
£0.81 per serving
High Protein Zero Sugar
£2.04 off
DY Nutrition Shadowhey Protein Concentrate 2kg
DY Nutrition Shadowhey Protein Concentrate 2kg — image 2

DY Nutrition Shadowhey Concentrate 2kg

£52.95 £54.99
£0.80 per serving
High Protein Low Calorie
Efectiv Nutrition Grass Fed Whey Protein Isolate 2kg
Efectiv Nutrition Grass Fed Whey Protein Isolate 2kg — image 2

Efectiv Nutrition Grass-Fed Whey Isolate 2kg

£64.99
£0.97 per serving
High Protein Low Calorie
£15 off
CNP Whey Protein 2kg
CNP Whey Protein 2kg — image 2

CNP Professional Pro Whey 2kg

£44.99 £59.99
£0.67 per serving
High Protein Low sugar
£7 off
CNP MR High Protein Meal Replacement
CNP MR High Protein Meal Replacement — image 2

CNP High Protein Meal Replacement 20-Pack

£32.99 £39.99
£1.65 per serving
High Protein Low sugar
Applied Nutrition ISO-XP Whey Isolate 1.8kg
Applied Nutrition ISO-XP Whey Isolate 1.8kg — image 2

Applied Nutrition ISO-XP 1.8kg

£69.99
£0.97 per serving
High Protein Low sugar
£2 off
Trained By JP TBJP Performance Protein 2kg

TBJP Trained By JP Performance Protein 2kg

£42.99 £44.99
£0.65 per serving
High Protein Low Calorie
Optimum Nutrition Gold Standard 100% Whey Protein 1.67kg
Optimum Nutrition Gold Standard 100% Whey Protein 1.67kg — image 2
Out of Stock

Optimum Nutrition Gold Standard 100% Whey 1.67kg

£59.99
£1.07 per serving

Browse Whey Protein Powder at Discount Supplements with a tighter focus than the main whey protein powder page. If you want to widen the comparison, move across to whey protein powder and whey protein isolate for adjacent options and broader product choice. Use this page when you already know the brand and want the shortest route into this specific category without extra browsing friction or extra filtering work. To explore our full range of types, brands, and flavors, visit protein powder and shakes.

Frequently Asked Questions

Common questions about whey protein, muscle support, dosage, timing, and storage.

How is whey protein made?

Whey protein comes from milk and is processed into powder after the liquid whey fraction is separated during dairy production. Different levels of filtering create different whey formats.

Does whey protein make you gain weight?

Whey protein does not automatically cause weight gain. Overall calorie intake and the rest of the diet determine that, while whey protein is mainly a convenient way to increase protein intake.

Is whey protein good for building muscle?

Whey protein can support muscle growth when it helps you reach total daily protein needs and you are training consistently. It supports the wider routine rather than replacing it.

When should I take whey protein?

The best time is the time that helps you stay consistent, commonly after training or between meals when convenient protein is most useful. Total daily intake matters more than a precise timing rule.

How much whey protein should I take?

Use the product label as the starting point and fit it around your total daily protein target. The right amount depends on body size, food intake, and training demands.

Are there side effects of taking whey protein?

Possible issues depend on the specific formula and your own tolerance, especially to milk ingredients or sweeteners. Checking the ingredients and serving guidance is more useful than assuming all whey products behave the same way.