Banana · Casein · 4kg · Matrix Nutrition
£49.99
£1.25 per 100gAll Products
Cheapest Casein Protein Powder UK
Casein is a slow-digesting protein, often taken before bed to support overnight muscle recovery. It typically costs more than whey concentrate but provides a sustained release of amino acids over several hours.
Showing 70 casein products across UK retailers — prices updated daily
UK Protein Powder Price Comparison
70 products tracked across major UK retailers • 70 with live prices right now
Filter Protein Powder by Brand, Type, and Size
70 products found
Sorted by: Price / 100g
| Product | Protein/Scoop | |||||
|---|---|---|---|---|---|---|
| Matrix Nutrition — Micellar Casein Protein Powder Banana · Casein · Matrix Nutrition | 4kg | £49.99 | £1.25Cheapest | — | — | Buy |
| Matrix Nutrition — Micellar Casein Protein Powder Vanilla · Casein · Matrix Nutrition | 4kg | £49.99 | £1.25Cheapest | — | — | Buy |
| Matrix Nutrition — Micellar Casein Protein Powder Strawberry · Casein · Matrix Nutrition | 4kg | £49.99 | £1.25Cheapest | — | — | Buy |
| Matrix Nutrition — Micellar Casein Protein Powder Chocolate · Casein · Matrix Nutrition | 4kg | £49.99 | £1.25Cheapest | — | — | Buy |
| Matrix Nutrition — Micellar Casein Protein Powder Strawberry · Casein · Matrix Nutrition | 2.25kg | £29.99 | £1.33 | — | — | Sold Out |
| Matrix Nutrition — Micellar Casein Protein Powder Chocolate · Casein · Matrix Nutrition | 2.25kg | £29.99 | £1.33 | — | — | Sold Out |
| MyProtein — MyProtein Micellar Casein 2.5kg Powder Strawberry · Casein · London Supplements | 2.5kg | £40.99 | £1.64 | — | — | Sold Out |
| MyProtein — MyProtein Micellar Casein 2.5kg Powder Vanilla · Casein · London Supplements | 2.5kg | £40.99 | £1.64 | — | — | Sold Out |
| MyProtein — MyProtein Micellar Casein 2.5kg Powder Chocolate · Casein · London Supplements | 2.5kg | £40.99 | £1.64 | — | — | Sold Out |
| MyProtein — MyProtein Micellar Casein 2.5kg Powder Unflavoured · Casein · London Supplements | 2.5kg | £40.99 | £1.64 | — | — | Sold Out |
| Matrix Nutrition — Micellar Casein Protein Powder Strawberry · Casein · Matrix Nutrition | 907g | £16.49 | £1.82 | — | — | Sold Out |
| Matrix Nutrition — Micellar Casein Protein Powder Chocolate · Casein · Matrix Nutrition | 907g | £16.49 | £1.82 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 1.8kg Powder Cookies & Cream · Casein · London Supplements | 1.8kg | £33.99 | £1.89 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 1.8kg Powder Vanilla · Casein · London Supplements | 1.8kg | £33.99 | £1.89 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 1.8kg Powder Chocolate · Casein · London Supplements | 1.8kg | £33.99 | £1.89 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 908g Powder Cookies & Cream · Casein · London Supplements | 908g | £22.99 | £2.53 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 908g Powder Vanilla · Casein · London Supplements | 908g | £22.99 | £2.53 | — | — | Sold Out |
| Universal Nutrition — Universal Nutrition Casein Pro 908g Powder Chocolate · Casein · London Supplements | 908g | £22.99 | £2.53 | — | — | Sold Out |
| Applied Nutrition — Applied Nutrition 100% Casein 1.8kg Banana Cream · Casein · London Supplements | 1.8kg | £47.99 | £2.67 | — | — | Sold Out |
| Applied Nutrition — Applied Nutrition 100% Casein 1.8kg Chocolate Cream · Casein · London Supplements | 1.8kg | £47.99 | £2.67 | — | — | Buy |
| Applied Nutrition — Applied Nutrition 100% Casein 1.8kg Vanilla cream · Casein · London Supplements | 1.8kg | £47.99 | £2.67 | — | — | Buy |
| Applied Nutrition — Applied Nutrition 100% Casein 1.8kg Strawberry Cream · Casein · London Supplements | 1.8kg | £47.99 | £2.67 | — | — | Buy |
| Bulk — Micellar Casein Vanilla · Casein · Bulk | 2.5kg | £67.99£50.99 | £2.04 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Strawberry · Casein · Bulk | 2.5kg | £67.99£50.99 | £2.04 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Chocolate · Casein · Bulk | 2.5kg | £67.99£50.99 | £2.04 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Casein · Bulk | 2.5kg | £67.99£50.99 | £2.04 | 0.82g | 24.6g | Buy |
| BSN — BSN Syntha-6 Limited Edition 2.2Kg Strawberry Cream Swirl · Casein · London Supplements | 2.2kg | £60.99 | £2.77 | — | — | Buy |
| BSN — BSN Syntha-6 Limited Edition 2.2Kg New York Vanilla Cheesecake · Casein · London Supplements | 2.2kg | £60.99 | £2.77 | — | — | Buy |
| BSN — BSN Syntha-6 Limited Edition 2.2Kg Chocolate Mudslide · Casein · London Supplements | 2.2kg | £60.99 | £2.77 | — | — | Buy |
| Reflex Nutrition — Reflex Nutrition Micellar Casein 1.8kg Powder Chocolate Perfection · Casein · London Supplements | 1.8kg | £50.99 | £2.83 | — | — | Sold Out |
| Reflex Nutrition — Reflex Nutrition Micellar Casein 1.8kg Powder Strawberries & Cream · Casein · London Supplements | 1.8kg | £50.99 | £2.83 | — | — | Sold Out |
| Reflex Nutrition — Reflex Nutrition Micellar Casein 1.8kg Powder Vanilla Ice Cream · Casein · London Supplements | 1.8kg | £50.99 | £2.83 | — | — | Sold Out |
| Boditronics — Casein Xtra - Advanced Nighttime Support - Flavoured - 1.5kg Vanilla Ice Cream · Casein · Boditronics | 1.5kg | £42.99 | £2.87 | — | — | Buy |
| Boditronics — Casein Xtra - Advanced Nighttime Support - Flavoured - 1.5kg Banana Split · Casein · Boditronics | 1.5kg | £42.99 | £2.87 | — | — | Buy |
| Boditronics — Casein Xtra - Advanced Nighttime Support - Flavoured - 1.5kg Strawberries & Cream · Casein · Boditronics | 1.5kg | £42.99 | £2.87 | — | — | Buy |
| Boditronics — Casein Xtra - Advanced Nighttime Support - Flavoured - 1.5kg Rich Chocolate · Casein · Boditronics | 1.5kg | £42.99 | £2.87 | — | — | Buy |
| Bulk — Micellar Casein Vanilla · Casein · Bulk | 1kg | £29.99£22.49 | £2.25 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Strawberry · Casein · Bulk | 1kg | £29.99£22.49 | £2.25 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Chocolate · Casein · Bulk | 1kg | £29.99£22.49 | £2.25 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Casein · Bulk | 1kg | £29.99£22.49 | £2.25 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Vanilla · Casein · Bulk | 500g | £15.99£11.99 | £2.40 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Strawberry · Casein · Bulk | 500g | £15.99£11.99 | £2.40 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Chocolate · Casein · Bulk | 500g | £15.99£11.99 | £2.40 | 0.82g | 24.6g | Buy |
| Bulk — Micellar Casein Casein · Bulk | 500g | £15.99£11.99 | £2.40 | 0.82g | 24.6g | Buy |
| BioTech USA — BioTech USA Micellar Casein 908g Vanilla · Casein · London Supplements | 908g | £31.99 | £3.52 | — | — | Buy |
| BioTech USA — BioTech USA Micellar Casein 908g Strawberry · Casein · London Supplements | 908g | £31.99 | £3.52 | — | — | Buy |
| BioTech USA — BioTech USA Micellar Casein 908g Chocolate · Casein · London Supplements | 908g | £31.99 | £3.52 | — | — | Buy |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Salted Caramel · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Sold Out |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Cookies & Cream · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Buy |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Strawberry Milkshake · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Sold Out |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Chocolate Milkshake · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Buy |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Chocolate Peanut Butter · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Sold Out |
| BSN — BSN Syntha 6 Edge 1.87kg Powder Vanilla Ice Cream · Casein · London Supplements | 1.7kg | £62.99 | £3.71 | — | — | Buy |
| Applied Nutrition — Applied Nutrition 100% Casein Protein 900g Chocolate Cream · Casein · London Supplements | 900g | £33.99 | £3.78 | — | — | Buy |
| Applied Nutrition — Applied Nutrition 100% Casein Protein 900g Vanilla cream · Casein · London Supplements | 900g | £33.99 | £3.78 | — | — | Buy |
| Applied Nutrition — Applied Nutrition 100% Casein Protein 900g Strawberries & Cream · Casein · London Supplements | 900g | £33.99 | £3.78 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 1.8kg Powder Strawberry · Casein · London Supplements | 1.8kg | £82.99 | £4.61 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 1.8kg Powder Creamy Vanilla · Casein · London Supplements | 1.8kg | £82.99 | £4.61 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 1.8kg Powder Chocolate Supreme · Casein · London Supplements | 1.8kg | £82.99 | £4.61 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 896g Powder Cookies & Cream · Casein · London Supplements | 896g | £44.99 | £5.02 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 896g Powder Strawberry Delight · Casein · London Supplements | 896g | £44.99 | £5.02 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 896g Powder Creamy Vanilla · Casein · London Supplements | 896g | £44.99 | £5.02 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition 100% Casein Protein 896g Powder Chocolate Supreme · Casein · London Supplements | 896g | £44.99 | £5.02 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 1.82kg STRAWBERRY · Casein · Protein Package | 1.82kg | £109.00 | £5.99 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 1.82kg CREAMY VANILLA · Casein · Protein Package | 1.82kg | £109.00 | £5.99 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 1.82kg CHOCOLATE SUPREME · Casein · Protein Package | 1.82kg | £109.00 | £5.99 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 924g STRAWBERRY · Casein · Protein Package | 924g | £69.00 | £7.47 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 924g COOKIES & CREAM · Casein · Protein Package | 924g | £69.00 | £7.47 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 924g CREAMY VANILLA · Casein · Protein Package | 924g | £69.00 | £7.47 | — | — | Buy |
| Optimum Nutrition — Optimum Nutrition Gold Standard Casein Protein Powder 924g CHOCOLATE SUPREME · Casein · Protein Package | 924g | £69.00 | £7.47 | — | — | Buy |
Vanilla · Casein · 4kg · Matrix Nutrition
£49.99
£1.25 per 100gStrawberry · Casein · 4kg · Matrix Nutrition
£49.99
£1.25 per 100gChocolate · Casein · 4kg · Matrix Nutrition
£49.99
£1.25 per 100gStrawberry · Casein · 2.25kg · Matrix Nutrition
£29.99
£1.33 per 100gChocolate · Casein · 2.25kg · Matrix Nutrition
£29.99
£1.33 per 100gStrawberry · Casein · 2.5kg · London Supplements
£40.99
£1.64 per 100gVanilla · Casein · 2.5kg · London Supplements
£40.99
£1.64 per 100gChocolate · Casein · 2.5kg · London Supplements
£40.99
£1.64 per 100gUnflavoured · Casein · 2.5kg · London Supplements
£40.99
£1.64 per 100gStrawberry · Casein · 907g · Matrix Nutrition
£16.49
£1.82 per 100gChocolate · Casein · 907g · Matrix Nutrition
£16.49
£1.82 per 100gCookies & Cream · Casein · 1.8kg · London Supplements
£33.99
£1.89 per 100gVanilla · Casein · 1.8kg · London Supplements
£33.99
£1.89 per 100gChocolate · Casein · 1.8kg · London Supplements
£33.99
£1.89 per 100gCookies & Cream · Casein · 908g · London Supplements
£22.99
£2.53 per 100gVanilla · Casein · 908g · London Supplements
£22.99
£2.53 per 100gChocolate · Casein · 908g · London Supplements
£22.99
£2.53 per 100gBanana Cream · Casein · 1.8kg · London Supplements
£47.99
£2.67 per 100gChocolate Cream · Casein · 1.8kg · London Supplements
£47.99
£2.67 per 100gVanilla cream · Casein · 1.8kg · London Supplements
£47.99
£2.67 per 100gStrawberry Cream · Casein · 1.8kg · London Supplements
£47.99
£2.67 per 100gVanilla · Casein · 2.5kg · Bulk
£50.99£67.99
£2.04 per 100g0.82gprotein/g
24.6gper scoop
Strawberry · Casein · 2.5kg · Bulk
£50.99£67.99
£2.04 per 100g0.82gprotein/g
24.6gper scoop
Chocolate · Casein · 2.5kg · Bulk
£50.99£67.99
£2.04 per 100g0.82gprotein/g
24.6gper scoop
Casein · 2.5kg · Bulk
£50.99£67.99
£2.04 per 100g0.82gprotein/g
24.6gper scoop
Strawberry Cream Swirl · Casein · 2.2kg · London Supplements
£60.99
£2.77 per 100gNew York Vanilla Cheesecake · Casein · 2.2kg · London Supplements
£60.99
£2.77 per 100gChocolate Mudslide · Casein · 2.2kg · London Supplements
£60.99
£2.77 per 100gChocolate Perfection · Casein · 1.8kg · London Supplements
£50.99
£2.83 per 100gStrawberries & Cream · Casein · 1.8kg · London Supplements
£50.99
£2.83 per 100gVanilla Ice Cream · Casein · 1.8kg · London Supplements
£50.99
£2.83 per 100gVanilla Ice Cream · Casein · 1.5kg · Boditronics
£42.99
£2.87 per 100gBanana Split · Casein · 1.5kg · Boditronics
£42.99
£2.87 per 100gStrawberries & Cream · Casein · 1.5kg · Boditronics
£42.99
£2.87 per 100gRich Chocolate · Casein · 1.5kg · Boditronics
£42.99
£2.87 per 100gVanilla · Casein · 1kg · Bulk
£22.49£29.99
£2.25 per 100g0.82gprotein/g
24.6gper scoop
Strawberry · Casein · 1kg · Bulk
£22.49£29.99
£2.25 per 100g0.82gprotein/g
24.6gper scoop
Chocolate · Casein · 1kg · Bulk
£22.49£29.99
£2.25 per 100g0.82gprotein/g
24.6gper scoop
Casein · 1kg · Bulk
£22.49£29.99
£2.25 per 100g0.82gprotein/g
24.6gper scoop
Vanilla · Casein · 500g · Bulk
£11.99£15.99
£2.40 per 100g0.82gprotein/g
24.6gper scoop
Strawberry · Casein · 500g · Bulk
£11.99£15.99
£2.40 per 100g0.82gprotein/g
24.6gper scoop
Chocolate · Casein · 500g · Bulk
£11.99£15.99
£2.40 per 100g0.82gprotein/g
24.6gper scoop
Casein · 500g · Bulk
£11.99£15.99
£2.40 per 100g0.82gprotein/g
24.6gper scoop
Vanilla · Casein · 908g · London Supplements
£31.99
£3.52 per 100gStrawberry · Casein · 908g · London Supplements
£31.99
£3.52 per 100gChocolate · Casein · 908g · London Supplements
£31.99
£3.52 per 100gSalted Caramel · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gCookies & Cream · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gStrawberry Milkshake · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gChocolate Milkshake · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gChocolate Peanut Butter · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gVanilla Ice Cream · Casein · 1.7kg · London Supplements
£62.99
£3.71 per 100gChocolate Cream · Casein · 900g · London Supplements
£33.99
£3.78 per 100gVanilla cream · Casein · 900g · London Supplements
£33.99
£3.78 per 100gStrawberries & Cream · Casein · 900g · London Supplements
£33.99
£3.78 per 100gStrawberry · Casein · 1.8kg · London Supplements
£82.99
£4.61 per 100gCreamy Vanilla · Casein · 1.8kg · London Supplements
£82.99
£4.61 per 100gChocolate Supreme · Casein · 1.8kg · London Supplements
£82.99
£4.61 per 100gCookies & Cream · Casein · 896g · London Supplements
£44.99
£5.02 per 100gStrawberry Delight · Casein · 896g · London Supplements
£44.99
£5.02 per 100gCreamy Vanilla · Casein · 896g · London Supplements
£44.99
£5.02 per 100gChocolate Supreme · Casein · 896g · London Supplements
£44.99
£5.02 per 100gSTRAWBERRY · Casein · 1.82kg · Protein Package
£109.00
£5.99 per 100gCREAMY VANILLA · Casein · 1.82kg · Protein Package
£109.00
£5.99 per 100gCHOCOLATE SUPREME · Casein · 1.82kg · Protein Package
£109.00
£5.99 per 100gSTRAWBERRY · Casein · 924g · Protein Package
£69.00
£7.47 per 100gCOOKIES & CREAM · Casein · 924g · Protein Package
£69.00
£7.47 per 100gCREAMY VANILLA · Casein · 924g · Protein Package
£69.00
£7.47 per 100gCHOCOLATE SUPREME · Casein · 924g · Protein Package
£69.00
£7.47 per 100gFrequently Asked Questions
When should I take casein protein?
Casein is most commonly taken before bed because it digests slowly over 6-8 hours, providing a sustained release of amino acids during sleep. It can also be used as a meal replacement or between meals.
Is casein more expensive than whey?
Yes, casein is typically 20-40% more expensive than whey concentrate per 100g. Use the price comparison above to find the best value casein in the UK right now.