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Cheapest Whey Protein in the UK

Prices updated 15 November 2026 · 96 products across 7 supermarkets

The best-value whey protein in the UK right now is Myprotein Impact Creatine Monohydrate 250 Tablets at Tesco — £0.08/each (£20.00).
96Products Compared
7Supermarkets
£0.08Lowest /Each

We compare whey protein across all 9 major UK supermarkets: Tesco, Asda, Sainsbury's, Morrisons, Waitrose, Aldi, M&S, Ocado and Iceland — and rank by price per unit so you can see where whey protein is genuinely cheapest. Prices update daily.

1Myprotein Impact Creatine Monohydrate 250 TabletsMyprotein Impact Creatine Monohydrate 250 TabletsTescoBest value£0.08/each£20.002Wheyhey Strawberry Yogurt 200gWheyhey Strawberry Yogurt 200gIceland£6.25/kg£1.253Wheyhey Blueberry Yogurt 200gWheyhey Blueberry Yogurt 200gIceland£6.25/kg£1.254MyProtein Essential Whey Protein Chocolate Smooth Flavour 600gMyProtein Essential Whey Protein Chocolate Smooth Flavour 600gAsda£23.33/kg£14.005MyProtein Essential Whey Protein Vanilla Flavour 600gMyProtein Essential Whey Protein Vanilla Flavour 600gAsda£23.33/kg£14.006Myprotein Impact Diet Whey Cookies & Cream 1KGMyprotein Impact Diet Whey Cookies & Cream 1KGMorrisons£26.00/kg£26.007Myprotein Impact Diet Whey Chocolate Brownie Flavour 600gMyprotein Impact Diet Whey Chocolate Brownie Flavour 600gMorrisons£26.67/kg£16.008Myprotein Impact Diet Whey Cookies & Cream Flavour 600gMyprotein Impact Diet Whey Cookies & Cream Flavour 600gMorrisons£26.67/kg£16.009Myprotein Essential Whey Protein Vanilla Flavour 300gMyprotein Essential Whey Protein Vanilla Flavour 300gIceland£26.67/kg£8.0010Myprotein Essential Whey Protein Chocolate Smooth Flavour 300gMyprotein Essential Whey Protein Chocolate Smooth Flavour 300gIceland£26.67/kg£8.0011Vanilla Whey Protein PowderVanilla Whey Protein PowderTesco£27.99/each£27.9912PhD Diet Whey Vanilla Crème Lean Protein Powder 1kgPhD Diet Whey Vanilla Crème Lean Protein Powder 1kgAsda£29.97/kg£29.9713PhD Diet Whey Lean Protein Powder Flavour Caramelised Biscui...PhD Diet Whey Lean Protein Powder Flavour Caramelised Biscui...Sainsbury'sNectar £26.25£30.00/kg£30.0014Sainsbury's Pro Fit Banoffee Whey Protein Powder 500gSainsbury's Pro Fit Banoffee Whey Protein Powder 500gSainsbury's£32.00/kg£16.0015Sainsbury's Pro Fit Choc Whey Protein Powder 500gSainsbury's Pro Fit Choc Whey Protein Powder 500gSainsbury's£32.00/kg£16.0016Sainsbury's Pro Fit Strawberry Whey Protein Powder 500gSainsbury's Pro Fit Strawberry Whey Protein Powder 500gSainsbury's£32.00/kg£16.0017VOW Nutrition Elite Whey - Chocolate Cookie 900gVOW Nutrition Elite Whey - Chocolate Cookie 900gOcado£33.33/kg£30.0018VOW Nutrition Elite Whey - Vanilla Ice Cream 900gVOW Nutrition Elite Whey - Vanilla Ice Cream 900gOcado£33.33/kg£30.0019PhD Diet Whey Protein Powder - Belgian Chocolate 1kgPhD Diet Whey Protein Powder - Belgian Chocolate 1kgTescoClubcard £26.25£35.00/kg£35.0020PhD Diet Whey Protein Powder - Strawberry Delight 1kgPhD Diet Whey Protein Powder - Strawberry Delight 1kgTescoClubcard £26.25£35.00/kg£35.0021PhD Diet Whey Protein Powder - Vanilla Crème 1kgPhD Diet Whey Protein Powder - Vanilla Crème 1kgTescoClubcard £26.25£35.00/kg£35.0022PhD Diet Whey Protein Powder Vanilla Crème 1kgPhD Diet Whey Protein Powder Vanilla Crème 1kgSainsbury's£35.00/kg£35.0023PhD Diet Whey Protein Powder Belgian Chocolate 1kgPhD Diet Whey Protein Powder Belgian Chocolate 1kgSainsbury's£35.00/kg£35.0024PhD Diet Whey Lean Protein Powder Flavour Caramelised Biscuit 1kgPhD Diet Whey Lean Protein Powder Flavour Caramelised Biscuit 1kgSainsbury's£35.00/kg£35.00
See The Live Whey Protein Comparison →

Cheapest Whey Protein: FAQ

Where is the cheapest whey protein in the UK?

Right now the best value whey protein is Myprotein Impact Creatine Monohydrate 250 Tablets at Tesco, £20.00 (£0.08/each). SmartShelf ranks whey protein by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for whey protein?

We compare whey protein across Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi, M&S, Ocado and Iceland. Today Tesco has the cheapest option, but the ranking updates every day as prices change.

How does SmartShelf compare whey protein prices?

We list each product's price per unit (£/kg, £/litre or per item) so you compare like for like, and we show loyalty prices such as Clubcard and Nectar where available. Free, with no sign-up.