Prices updated daily — 19 April 2026
Cheapest protein powder
Compare 130 products across 6 supermarkets
protein powder — compare prices across 6 supermarkets

Applied Nutrition
Applied Nutrition High Protein Tropical Smoothie Mix 600g
600 g
£6.67/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition High Protein Berry Smoothie Mix 600g
600 g
£6.67/kg
at 1 supermarket

My Protein
My Protein Mixer Cookies & Cream Chocolate 140g
140 g
£12.50/kg
at 1 supermarket

Sci-MX
Sci-MX Nutrition Pro V Gain Vanilla Flavour 900g
900 g
£16.67/kg
at 1 supermarket

Sci-MX
Sci-MX Nutrition Pro V Gain Chocolate Flavour 900g
900 g
£16.67/kg
at 1 supermarket

Myvegan
Myvegan Vegan Protein Blend V3 Coffee & Walnut 500g
500 g
£18.00/kg
at 2 supermarkets

Warrior
Warrior Whey Double Chocolate
500 g
£24.00/kg
at 2 supermarkets

Warrior
Warrior Whey Vanilla Ice Cream
500 g
£24.00/kg
at 2 supermarkets

Warrior
Warrior Whey Protein Strawberry Creme Flavour 500g
500 g
£25.00/kg
at 1 supermarket

Sainsbury's
Sainsbury's Pro Fit Lean Vanilla Whey Powder 500g
500 g
£26.00/kg
at 1 supermarket

MyProtein
MyProtein Essential Whey Protein Chocolate Smooth Flavour 600g
600 g
£26.62/kg
at 1 supermarket

MyProtein
MyProtein Essential Whey Protein Vanilla Flavour 600g
600 g
£26.62/kg
at 1 supermarket

Myprotein
Myprotein Impact Diet Whey Chocolate Brownie Flavour 600g
600 g
£26.67/kg
at 1 supermarket

Myprotein
Myprotein Impact Diet Whey Cookies & Cream Flavour 600g
600 g
£26.67/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition Strawberry Milkshake Diet Protein 450g
450 g
£28.89/kg
at 2 supermarkets

Applied Nutrition
Applied Nutrition Salted Caramel Diet Protein 450g
450 g
£28.89/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition Diet Protein Powder Chocolate Dessert 450g
450 g
£28.89/kg
at 1 supermarket

PHD Nutrition
PhD Smart Protein Powder Chocolate Brownie 510g
510 g
£29.41/kg
at 1 supermarket

MyVegan
MyVegan Impact Vegan Protein Chocolate Peanut Caramel Flavour 500g
500 g
£30.00/kg
at 2 supermarkets

MyVegan
MyVegan Impact Vegan Protein Chocolate Flavour 500g
500 g
£30.00/kg
at 2 supermarkets

MyVegan
MyVegan Impact Vegan Protein Vanilla Flavour 500g
500 g
£30.00/kg
at 1 supermarket

SCI-MX
SCI-MX Total Protein Powder - Chocolate 450g
450 g
£31.11/kg
at 1 supermarket

PhD Smart
PhD Smart Protein Powder Salted Caramel 510g
510 g
£31.37/kg
at 2 supermarkets

Sainsbury's
Sainsbury's Pro Fit Strawberry Whey Protein Powder 500g
500 g
£32.00/kg
at 1 supermarket

Sainsbury's
Sainsbury's Pro Fit Banoffee Whey Protein Powder 500g
500 g
£32.00/kg
at 1 supermarket

Sainsbury's
Sainsbury's Pro Fit Choc Whey Protein Powder 500g
500 g
£32.00/kg
at 1 supermarket

Tribe
Tribe Protein Superblend Vanilla 500g
500 g
£34.00/kg
at 2 supermarkets

Tribe
Tribe Protein Superblend Chocolate 500g
500 g
£34.00/kg
at 2 supermarkets

Pulsin
Pulsin Complete Vegan Vanilla Protein
270 g
£48.15/kg
at 1 supermarket

MaxiMuscle
MaxiMuscle Salted Caramel Flavour
45 g
£48.89/kg
at 1 supermarket

MaxiMuscle
MaxiMuscle Cookies & Cream Flavour
45 g
£48.89/kg
at 1 supermarket

MyProtein
MyProtein Myprotein Clear Whey Protein Vimto Flavour 10 Servings
261 g
£51.72/kg
at 4 supermarkets

MyProtein
MyProtein Clear Whey Protein Orange Mango Flavour 10 Servings
261 g
£51.72/kg
at 3 supermarkets

MyProtein
MyProtein Marvel Clear Whey Protein Captain Marvel Orange, Mango & Tropical 10 Servings
250 g
£51.92/kg
at 1 supermarket

Pulsin
Pulsin Protein Blend Vanilla Flavour
250 g
£51.96/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition Millions Cola Flavour Clear Protein Isolate 150g
150 g
£53.33/kg
at 1 supermarket

MyProtein
MyProtein Clear Whey Protein Raspberry Lemonade Flavour 10 Servings
250 g
£54.00/kg
at 2 supermarkets

MyProtein
MyProtein Clear Whey Protein Peach Tea Flavour 10 Servings
244 g
£55.33/kg
at 3 supermarkets

Myprotein
Myprotein Watermelon Flavour Clear Whey Protein 250g
251 g
£55.78/kg
at 1 supermarket

Myprotein
Myprotein Clear Whey Isolate Raspberry Lemonade
250 g
£56.00/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition Clear Whey Protein Premium Protein Powder Strawberry & Raspberry 250g
250 g
£60.00/kg
at 1 supermarket

Myprotein
Myprotein Clear Whey Isolate Marvel Spider Man
250 g
£60.00/kg
at 1 supermarket

MY PROTEIN
Myprotein Clear Whey Protein - Watermelon Flavour 250g
250 g
£64.00/kg
at 2 supermarkets

MyProtein
MyProtein Clear Whey Protein Vimto Raspberry, Orange & Passionfruit Flavour 250g
250 g
£64.00/kg
at 1 supermarket

MyProtein
MyProtein Marvel Clear Whey Protein Hulk Green Plum & Kiwi 10 Servings
250 g
£68.00/kg
at 1 supermarket

MyProtein
MyProtein Marvel Clear Whey Protein Spider-Man Raspberry & Strawberry 10 Servings
250 g
£68.00/kg
at 1 supermarket

MyProtein
MyProtein Marvel Clear Whey Protein Black Panther Blue Raspberry 10 Servings
250 g
£68.00/kg
at 1 supermarket

Myprotein
Myprotein Clear Whey Isolate Marvel Hulk
250 g
£68.00/kg
at 1 supermarket

Myprotein
Myprotein Clear Whey Isolate Marvel Captain Marvel
250 g
£68.00/kg
at 1 supermarket

Applied Nutrition
Applied Nutrition Collagen Powder Strawberry & Raspberry Flavour 165g
165 g
£72.73/kg
at 1 supermarket