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Cheapest Protein Shakes & Drinks in the UK

Prices updated 13 October 2026 · 162 products across 7 supermarkets

The best-value protein shakes & drinks in the UK right now is Pro Mlk 1L Chocolate Milk Protein Shake at Sainsbury's — £2.50/litre (£2.50).
162Products Compared
7Supermarkets
£2.50Lowest /Litre

We compare protein shakes & drinks across all 7 major UK supermarkets — Tesco, Sainsbury's, Asda, Morrisons, Waitrose, Aldi and M&S — and rank by price per unit so you can see where protein shakes & drinks is genuinely cheapest. Prices update daily.

1Pro Mlk 1L Chocolate Milk Protein ShakePro Mlk 1L Chocolate Milk Protein ShakeSainsbury'sBest value£2.50/litre£2.502Pro Mlk 1L Vanilla Protein ShakePro Mlk 1L Vanilla Protein ShakeSainsbury's£2.50/litre£2.503Pro Mlk Protein Shake Chocolate 1LPro Mlk Protein Shake Chocolate 1LTesco£2.50/litre£2.504Pro Mlk Vanilla Protein shake 1 LitrePro Mlk Vanilla Protein shake 1 LitreTesco£2.50/litre£2.505Alpro Soya High Protein Chocolate Long Life Drink 1LAlpro Soya High Protein Chocolate Long Life Drink 1LMorrisons£2.50/litre£2.506Alpro Soya High Protein Long Life Drink 1LAlpro Soya High Protein Long Life Drink 1LMorrisons£2.50/litre£2.507Alpro High Protein Soya Chocolate Long Life Dairy Free Drink 1LAlpro High Protein Soya Chocolate Long Life Dairy Free Drink 1LMorrisons£2.50/litre£2.508Alpro High Protein Soya Original Long Life Dairy Free Drink 1LAlpro High Protein Soya Original Long Life Dairy Free Drink 1LMorrisons£2.50/litre£2.509Lindahls Protein+ Immunity Pineapple Mango & Peach Flavour 330mlLindahls Protein+ Immunity Pineapple Mango & Peach Flavour 330mlAsda£2.90/litre£1.0010COWBELLE Chocolate Flavoured Protein Milkshake 0.33 LCOWBELLE Chocolate Flavoured Protein Milkshake 0.33 LAldi£3.00/litre£0.9911COWBELLE Strawberry Flavoured Protein Milkshake 0.33 LCOWBELLE Strawberry Flavoured Protein Milkshake 0.33 LAldi£3.00/litre£0.9912COWBELLE Vanilla Flavoured Protein Milkshake 0.33 LCOWBELLE Vanilla Flavoured Protein Milkshake 0.33 LAldi£3.00/litre£0.9913Wow Hydrate Protein Summer Fruits Protein & Vitamin Water 500mlWow Hydrate Protein Summer Fruits Protein & Vitamin Water 500mlMorrisons£3.00/litre£1.5014COWBELLE Chocolate Flavoured Protein Milkshake 330 mlCOWBELLE Chocolate Flavoured Protein Milkshake 330 mlAldi£3.00/litre£0.9915COWBELLE Strawberry Flavoured Protein Milkshake 330 mlCOWBELLE Strawberry Flavoured Protein Milkshake 330 mlAldi£3.00/litre£0.9916COWBELLE Vanilla Flavoured Protein Milkshake 330 mlCOWBELLE Vanilla Flavoured Protein Milkshake 330 mlAldi£3.00/litre£0.9917FUEL10K Strawberry High Protein Milk Breakfast Shake Drink 330mlFUEL10K Strawberry High Protein Milk Breakfast Shake Drink 330mlAsda£3.03/litre£1.0018Grenade Protein Shakes White Chocolate 330mlGrenade Protein Shakes White Chocolate 330mlMorrisons£3.42/litre£1.1319Pro Mlk Strawberry Protein Drink 330mlPro Mlk Strawberry Protein Drink 330mlMorrisons£3.48/litre£1.1520Pro Mlk Chocolate Protein Drink 330mlPro Mlk Chocolate Protein Drink 330mlMorrisons£3.48/litre£1.1521Arctic Caramel Latte Protein 330mlArctic Caramel Latte Protein 330mlMorrisons£3.48/litre£1.1522Pro Mlk Vanilla Protein Shake 330mlPro Mlk Vanilla Protein Shake 330mlSainsbury's£3.64/litre£1.2023Pro Mlk Protein Shake Chocolate 330mlPro Mlk Protein Shake Chocolate 330mlTescoClubcard £1.00£3.64/litre£1.2024Pro Mlk Strawberry Protein Shake 330mlPro Mlk Strawberry Protein Shake 330mlAsda£3.64/litre£1.20
See The Live Protein Shakes & Drinks Comparison →

Cheapest Protein Shakes & Drinks: FAQ

Where is the cheapest protein shakes & drinks in the UK?

Right now the best value protein shakes & drinks is Pro Mlk 1L Chocolate Milk Protein Shake at Sainsbury's, £2.50 (£2.50/litre). SmartShelf ranks protein shakes & drinks by price per unit across 7 supermarkets, updated daily.

Which supermarket is cheapest for protein shakes & drinks?

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

How does SmartShelf compare protein shakes & drinks 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.