Serious Protein
by Warrior
A quality protein powder designed to help you hit your daily protein targets alongside a balanced diet.
- For shakes, smoothies, baking and more
Size500g
Best price today
In stock£12.50
£2.50 / 100g
Secure retailer checkout
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Know when to buy
Price history
Lowest price on record, any flavour or size
£2.50/100g (£12.50 for 500g on 28 Sept 2026)
500g · all flavours · price per pack
- Warriorlatest £12.50 (one check so far)
Quick answers
Is this right for you?
Who is it for?
Warrior Serious Protein is designed for anyone looking to increase their daily protein intake. It provides a convenient way to hit your protein targets alongside a balanced diet.
What can you expect?
A quality protein powder that supports your training and recovery goals. Each serving delivers a measured dose of protein to help with muscle repair and growth.
What else do you need to know?
Warrior Serious Protein is a protein blend protein powder made by Warrior. It comes in 500g sizes. Every price on WheyWise is read from the retailer’s own page and re-checked daily and sorted by cost per 100g, so you can see both the cheapest option and how current it is. All links to Amazon and retailer sites are affiliate links - this is how WheyWise stays free.
Frequently asked questions
Where is the cheapest place to buy Warrior Serious Protein in the UK?
The best price we have verified today is £2.50 per 100g for the 500g bag, checked 28 Sept 2026. Use the buy button above to go straight to it.
Is Warrior Serious Protein currently in stock?
At the last check, 1 out of 1 tracked variants was in stock. Stock status carries the same fetch time as the price shown above, so check the retailer listing before ordering.