Cheapest Protein Powder in the UK

Prices updated 13 October 2026 · 144 products across 5 supermarkets

The best-value protein powder in the UK right now is Myprotein Creatine Collagen & Electrolytes Mixed Berry Lime 20Pk 20 per pack at Morrisons — £1.00/each (£20.00).

144Products Compared

5Supermarkets

£1.00Lowest /Each

We compare protein powder 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 powder is genuinely cheapest. Prices update daily.

Myprotein Creatine Collagen & Electrolytes Mixed Berry Lime 20Pk 20 per packMorrisonsBest value£1.00/each£20.00 2

Wow Hydrate Protein Tropical Protein & Vitamin Water 500mlMorrisons£3.00/litre£1.50 3

Nutmeg Home Protein Shaker 600mlMorrisons£3.50/each£3.50 4

Arla Protein Strawberry and Raspberry Flavoured Milk Shake 482mlMorrisons£4.56/litre£2.20 5

Arla Protein Chocolate Milkshake 482mlMorrisons£4.56/litre£2.20 6

Myprotein Plastic Shaker Clear/Black 120mlMorrisons£5.00/each£5.00 7

Grenade Chocolate Salted Caramel Flavour Protein Shake 330mlAsda£5.45/litre£1.80 8

Grenade Strawberries & Cream Flavour Protein Shake 330mlAsda£5.45/litre£1.80 9

Grenade White Chocolate Flavour Protein Shake 330mlAsda£5.45/litre£1.80 10

Optimum Nutrition High Protein Shake Strawberry Flavour 500mlAsda£7.00/litre£3.50 11

Arla Protein Food To Go Vanilla Hazelnut Meal Replacement Shake 500mlMorrisons£7.00/litre£3.50 12

Barebells Protein Milkshake Chocolate Flavour 330mlSainsbury's£7.58/litre£2.50 13

Barebells Protein Milkshake Strawberry Flavour 330mlSainsbury's£7.58/litre£2.50 14

Optimum Nutrition High Protein Shake Strawberry Flavour 330mlMorrisons£8.33/litre£2.75 15

Ensure Nutrivigor Vanilla Flavour Nutritional Ready to Drink Protein Shake 220mlSainsbury's£11.36/litre£2.50 16

Ensure Nutrivigor Chocolate Flavour Nutritional Ready to Drink Protein Shake 220mlSainsbury's£11.36/litre£2.50 17

Optimum Nutrition Serious Mass Protein Powder Vanilla Flavou...Sainsbury's£14.71/kg£40.00 18

Optimum Nutrition Serious Mass Protein Powder Chocolate Flav...Sainsbury's£14.71/kg£40.00 19

Optimum Nutrition Serious Mass Protein Powder Chocolate Flavour 8 Servings 2.73kgSainsbury's£14.71/kg£40.00 20

Optimum Nutrition Serious Mass Protein Powder Vanilla Flavour 8 servings 2.73kgSainsbury's£14.71/kg£40.00 21

Warrior Raw Protein Flapjack Honey Berry 75gMorrisons£20.00/kg£1.50 22

Warrior Raw Protein Flapjack White Chocolate Cranberry 75gMorrisons£20.00/kg£1.50 23

Warrior Raw Protein Flapjack Red Velvet Cake 75gMorrisons£20.00/kg£1.50 24

Warrior Raw Protein Flapjack Salted Caramel 75gMorrisons£20.00/kg£1.50

See The Live Protein Powder Comparison →

Cheapest Protein Powder: FAQ

Where is the cheapest protein powder in the UK?

Right now the best value protein powder is Myprotein Creatine Collagen & Electrolytes Mixed Berry Lime 20Pk 20 per pack at Morrisons, £20.00 (£1.00/each). SmartShelf ranks protein powder by price per unit across 5 supermarkets, updated daily.

Which supermarket is cheapest for protein powder?

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

How does SmartShelf compare protein powder 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.