Cheapest Protein Shakes & Drinks in the UK

Prices updated 15 August 2026 · 120 products across 6 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).

120Products Compared

6Supermarkets

£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.

#	Product	Store	Price	Per Unit
1	Pro Mlk 1L Chocolate Milk Protein Shake Nectar £2.00	Sainsbury's	£2.50	£2.50/litre
2	Pro Mlk 1L Vanilla Protein Shake Nectar £2.00	Sainsbury's	£2.50	£2.50/litre
3	Pro Mlk Protein Shake Chocolate 1L	Tesco	£2.50	£2.50/litre
4	Pro Mlk Vanilla Protein shake 1 Litre	Tesco	£2.50	£2.50/litre
5	Alpro Soya High Protein Chocolate Long Life Drink 1L	Morrisons	£2.50	£2.50/litre
6	Lindahls Protein+ Immunity Pineapple Mango & Peach Flavour 330ml	Asda	£1.00	£2.90/litre
7	COWBELLE Chocolate Flavoured Protein Milkshake 0.33 L	Aldi	£0.99	£3.00/litre
8	COWBELLE Strawberry Flavoured Protein Milkshake 0.33 L	Aldi	£0.99	£3.00/litre
9	COWBELLE Vanilla Flavoured Protein Milkshake 0.33 L	Aldi	£0.99	£3.00/litre
10	Wow Hydrate Protein Summer Fruits Protein & Vitamin Water 500ml	Morrisons	£1.50	£3.00/litre
11	Grenade Protein Shakes White Chocolate 330ml	Morrisons	£1.13	£3.42/litre
12	Pro Mlk Strawberry Protein Drink 330ml	Morrisons	£1.15	£3.48/litre
13	Pro Mlk Chocolate Protein Drink 330ml	Morrisons	£1.15	£3.48/litre
14	Arla Protein Chocolate Milk Shake 482ml	Asda	£1.72	£3.57/litre
15	Arla Protein Strawberry and Raspberry Flavoured Milk 482ml	Asda	£1.72	£3.57/litre
16	Arla Protein Vanilla Flavoured Milk 482ml	Asda	£1.72	£3.57/litre
17	Pro Mlk Vanilla Protein Shake 330ml	Sainsbury's	£1.20	£3.64/litre
18	Pro Mlk Protein Shake Chocolate 330ml	Tesco	£1.20	£3.64/litre
19	Pro Mlk Chocolate Protein Shake 330ml	Asda	£1.20	£3.64/litre
20	Pro Mlk Chocolate Protein Shake 330ml	Sainsbury's	£1.20	£3.64/litre
21	Pro Mlk Strawberry Protein Shake 330ml	Sainsbury's	£1.20	£3.64/litre
22	Pro Mlk Vanilla Protein Shake 330ml	Asda	£1.20	£3.64/litre
23	Pro Mlk Protein Shake Strawberry 330ml	Tesco	£1.20	£3.64/litre
24	Arla Protein Vanilla Flavoured Milk Shake 482ml	Morrisons	£2.00	£4.15/litre

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 6 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.