CartCompare deals
Compare protein powder prices across UK shops
CartCompare checks 51 UK shops live when you search for protein powder and shows what each one charges right now, whole-basket totals included. Prices are compared per per kg where the shop gives a unit price.
Check live protein powder prices now
Current offers
Offers as published by each retailer, captured within the last 12 hours and last checked 25 October 2026 at 03:42 (UK time). Final price and availability are confirmed on the retailer's page.
No protein powder offers have been published in the last 12 hours. Prices change through the day — run the live check below to see every shop now.
Common sizes
1kg 2kg 2.5kg 5kg 900g 500g 2.27kg 4kg 908g
Shops we check for protein powder
Amazon , Mand M Direct, John Lewis, Morrisons Marketplace, e Bay , Dolphin Fitness, Argos, Evans Cycles, My Protein, Mountain Warehouse and 41 more. A live search asks each of them now and shows what answers within a few seconds, then keeps checking the slower ones.
Also compare
Before you buy
Looking for something else?
Search any product, price a whole shopping list, or browse today's sports & outdoors deals.