Whey Protein Powder

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.

21 Products
£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 Protein Powder 2kg | High Protein, Low Sugar

£34.99 £49.99
(£0.74 per serving)
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Our Cheapest Whey
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Best seller
£5 off
Applied Nutrition Critical Whey - Premium Protein Powder
Applied Nutrition Critical Whey - Premium Protein Powder

Applied Nutrition Critical Whey - Premium Protein Powder

£44.99 £49.99
(£0.81 per serving)
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High Protein
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Low Calorie
£2.04 off
Optimum Nutrition Gold Standard 100% Whey Protein 2.27kg - Discount Supplements Optimum NutritionBanana
Optimum Nutrition Gold Standard 100% Whey Protein

Optimum Nutrition Gold Standard 100% Whey Protein

£79.99
(£1.05 per serving)
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Best seller
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High Protein
DY Nutrition Shadowhey Protein Isolate 2kg | High Protein Powder
DY Nutrition Shadowhey Protein Isolate 2kg | High Protein Powder

DY Nutrition Shadowhey Protein Isolate 2kg | High Protein Powder

£62.95
(£0.90 per serving)
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High Protein
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Low sugar
£15 off
The Health Project Ultimate Whey Protein 2kg - Discount SupplementsThe Health Project
The Health Project Ultimate Whey Protein 2kg - Discount SupplementsThe Health Project

The Health Project Ultimate Whey Protein 2kg

£39.99 £54.99
(£0.82 per serving)
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High Protein
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Low Calorie
£7 off
CNP MR High Protein Meal Replacement
CNP MR High Protein Meal Replacement

CNP MR High Protein Meal Replacement

£32.99 £39.99
(£1.99 per serving)
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High Protein
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Low sugar
£4 off
Applied Nutrition Diet Whey Protein

Applied Nutrition Diet Whey Protein

£25.99 £29.99
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High Protein
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Low Calorie
Optimum Nutrition Gold Standard 100% Whey 1.67kg - Discount SupplementsOptimum Nutrition
Optimum Nutrition Gold Standard 100% Whey 1.67kg - Discount SupplementsOptimum Nutrition

Optimum Nutrition Gold Standard 100% Whey Protein 1.67kg

£59.99
(£1.07 per serving)
£15 off
CNP Whey Protein 2kg - Discount SupplementsCNP
CNP Whey Protein 2kg - Discount SupplementsCNP

CNP Whey Protein 2kg | High Protein Powder

£44.99 £59.99
(£0.89 per serving)
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High Protein
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Low sugar
£5 off
Efectiv Nutrition Whey Protein Concentrate | 60 servings
Efectiv Nutrition Whey Protein Concentrate | 60 servings

Efectiv Nutrition Whey Protein Concentrate | 60 servings

£59.99 £64.99
(£1.08 per serving)
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High Protein
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Low Calorie
Efectiv Nutrition Grass Fed Whey Protein Isolate 2kg
Efectiv Nutrition Grass Fed Whey Protein Isolate 2kg - Discount SupplementsEfectiv Nutrition

Efectiv Nutrition Grass Fed Whey Protein Isolate 2kg

£64.99
(£0.98 per serving)
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High Protein
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Low Calorie
£2 off
Trained By JP TBJP Performance Protein 2kg | Low Calorie

TBJP Performance Protein 2kg | Low Calorie

£42.99 £44.99
(£0.68 per serving)
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High Protein
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Low Calorie
£12 off
The Health Project One+ Lean Mass 2kg - Discount SupplementsThe Health Project
The Health Project One+ Lean Mass 2kg - Discount SupplementsThe Health Project

The Health Project Mass Gainer 2kg | Protein Powder for Muscle Gain

£27.99 £39.99
(£1.33 per serving)
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Muscle Builder
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High Protein
£2.04 off
DY Nutrition Shadowhey Protein Concentrate 2kg
DY Nutrition Shadowhey Protein Concentrate 2kg

DY Nutrition Shadowhey Protein Concentrate 2kg

£52.95 £54.99
(£0.83 per serving)
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High Protein
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Low Calorie
£0.04 off
DY Nutrition Shadowhey Protein Hydrolysate 2kg | High Protein Powder
DY Nutrition Shadowhey Protein Hydrolysate 2kg | High Protein Powder

DY Nutrition Shadowhey Protein Hydrolysate 2kg | High Protein Powder

£64.95 £64.99
(£0.98 per serving)
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High Protein
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Zero Sugar
Applied Nutrition ISO-XP Whey Isolate 1.8kg
Applied Nutrition ISO-XP Whey Isolate 1.8kg

Applied Nutrition ISO-XP Whey Isolate 1.8kg

£69.99
(£0.97 per serving)
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High Protein
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Low sugar

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.

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.