Ranked by price per kg
Cheapest protein powder per kg (UK)
A bigger pack isn't always better value. We work out the price per kg for every protein powder in stock at trusted UK shops and list the best value first. Updated daily — check the size on the shop's page before you buy.
- 1
Vegan Protein 80 1KG Tub
£14.24 at Gains Nutrition
£14.24
per kg
- 2
Vegan Protein 85 1KG
£15.99 at Gains Nutrition
£15.99
per kg
- 3
Powerbar Black Line Build Whey Protein Powder – Chocolate – 572g – Vegetarian Muscle Growth Supplement – New – BBE 05/2026
£9.99 at The Outlet Shop
£17.47
per kg
- 4
Vegan Hydro Pro Hydrolysed Protein 1KG Tub
£17.99 at Gains Nutrition
£17.99
per kg
- 5
Vegan Protein 80 500g Tub
£9.99 at Gains Nutrition
£19.98
per kg
- 6
Vegan Protein 85 500g Tub
£11.99 at Gains Nutrition
£23.98
per kg
- 7
Vegan Protein 80 1KG Tub 2 Pack Bundle
£24.20 at Gains Nutrition
£24.20
per kg
- 8
More Protein Cream 600g – Whey Casein Blend Protein Powder with Lactase for Muscle Building and Baking – New – BBE 05/2026
£14.99 at The Outlet Shop
£24.98
per kg
- 9
More Protein Whey and Casein Protein Powder Cream Flavour 600g – With Lactase, 12 Servings – New
£14.99 at The Outlet Shop
£24.98
per kg
- 10
More Vegan Protein, Cinnalicious, 600 g, 20 Servings – New – BBE 06/2026
£14.99 at The Outlet Shop
£24.98
per kg
- 11
Vegan Hydro Pro Hydrolysed Protein 500g Tub
£12.99 at Gains Nutrition
£25.98
per kg
- 12
Vegan Protein 85 1KG Tub 2 Pack Bundle
£27.18 at Gains Nutrition
£27.18
per kg
- 13
Pea Protein Powder – 360 Grams by Nature's Best – Derived From Pea Protein Isolate
£10.95 at Lamberts Healthcare (Nature's Best)
£30.42
per kg
- 14
Vegan Hydro Pro Hydrolysed Protein 1KG 2 Pack Bundle
£30.58 at Gains Nutrition
£30.58
per kg
- 15
MaxiNutrition Max Charge Pre-Workout Powder, Pink Lemonade, 300g – Sugar-Free Vitamin Boost for Energy & Performance – BBE 08/2026
£9.99 at The Outlet Shop
£33.30
per kg
- 16
Vegan Protein 80 1KG Tub 3 Pack Bundle
£34.17 at Gains Nutrition
£34.17
per kg
- 17
Vegan Protein 85 1KG Tub 3 Pack Bundle
£38.37 at Gains Nutrition
£38.37
per kg
- 18
Vegan Hydro Pro Hydrolysed Protein 1KG 3 Pack Bundle
£43.17 at Gains Nutrition
£43.17
per kg
- 19
MORE Chunky Flavour Strawberry Perfection 150g – Protein Powder Flavouring Supplement – New – BBE 06/2026
£9.99 at The Outlet Shop
£66.60
per kg
- 20
XTEND Original BCAA Powder Lemon Lime Squeeze 30 Servings – 7g BCAAs – Sugar Free Amino Acids Electrolytes Post Workout Muscle Recovery – New – BBE 05/2026
£8.99 at The Outlet Shop
£1,284.29
per kg
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