Prices updated daily — 21 July 2026
Product type overview
protein drink sits within Milk & Milk Drinks, part of Dairy, Eggs & Butter. On this page you compare 15 products from 9 UK supermarkets: Aldi, ASDA, Co-op, Iceland, Morrisons, Ocado, Sainsbury's, Tesco and Waitrose. The lowest unit price for protein drink is £2.50/l at Tesco. In total, 4 variants of protein drink are compared (different pack sizes and compositions). All prices are normalised to the same unit (per kilogram, per litre or per piece) so that packs of different sizes can be compared fairly — a larger pack is not automatically the best value. The ranking below shows, per variant, which supermarket currently has the sharpest price, including own-label products alongside national brands. Prices refresh daily from the retailers' own public price lists, so you never see stale offers when planning your weekly shop. Allsupers uses no affiliate links or paid placement; the ranking is purely price-based and updated from public data.
Cheapest protein drink
Compare 15 products across 9 supermarkets
protein drink — compare prices across 9 supermarkets
Pro Mlk
Pro Mlk 1L Chocolate Milk Protein Shake
1 litre
£2.50/litre
at 1 supermarket
Grenade
Grenade Protein Shakes White Chocolate
330 ml
£3.42/litre
at 1 supermarket
Pro Mlk
Pro Mlk Strawberry Protein Shake 330ml
330 ml
£3.48/litre
at 2 supermarkets
Pro Milk
Pro Mlk Chocolate Protein Drink
330 ml
£3.48/litre
at 1 supermarket
For Goodness Shakes
For Goodness Shakes 35g Protein Chocolate Shake 330ml
330 ml
£3.79/litre
at 1 supermarket
For Goodness Shakes
For Goodness Shakes 35g Protein Strawberry Shake 330ml
330 ml
£3.79/litre
at 1 supermarket
For Goodness Shakes
For Goodness Shakes 35g Protein Vanilla Shake 330ml
330 ml
£3.79/litre
at 1 supermarket
For Goodness Shakes
For Goodness Shakes Chocolate Flavour Protein 330ml
330 ml
£4.55/litre
at 1 supermarket
Starbucks
Starbucks ® Protein Drink With Coffee Caffè Latte 330ml
330 ml
£4.76/litre
at 1 supermarket
FUEL
FUEL10K Vanilla High Protein Milk Breakfast Drink 330ml
330 ml
£4.85/litre
at 1 supermarket
Ufit
Ufit Strawberry Flavour High Protein Milkshake 500ml
500 ml
£5.00/litre
at 1 supermarket
Ufit
Ufit White Chocolate High Protein Milkshake 500ml
500 ml
£5.00/litre
at 1 supermarket
Barebells
Barebells Protein Milkshake Vanilla
330 ml
£8.18/litre
at 1 supermarket
Optimum Nutrition
Optimum Nutrition High Protein Shake Chocolate Flavour 330ml
330 ml
£8.33/litre
at 1 supermarket
Optimum Nutrition
Optimum Nutrition High Protein Shake Strawberry Flavour 330ml
330 ml
£8.33/litre
at 1 supermarket