What Is a Protein Blend? Why More Brands Are Moving Beyond Whey
What is a protein blend, how does it differ from whey, and why are brands launching more of them? We explain multi-source protein using current Per4m and Applied Nutrition examples.
Protein
Every buying guides article about protein. See all buying guides
Per4m Protein Types Compared: Whey vs Isolate vs Plant vs Blend vs Egg White
Per4m now makes whey, isolate, plant, multi-source blend and egg white protein. We compare the five formulas so you can choose the one that actually fits your diet and priorities.
Per4m Advanced Whey Protein vs Advanced Protein Blend: Which Should You Choose?
Per4m Advanced Whey and Advanced Protein Blend trade places on value depending on the tub size. Here’s how the current prices, servings, formulas and availability compare.
Best Value Protein Powder UK (2026): How to Compare Cost Properly
Protein powder prices can vary massively — and the cheapest tub is not always the best value. Here’s how to compare serving size, protein type, protein content and price so you can work out what you’re actually paying for.
Best Protein Powder Under £40 UK: Our Top Picks
Looking for protein powder under £40? We compare a few useful options by price, servings and format, without pretending the cheapest tub is automatically the best buy.
Best Tasting Protein Powder UK: Our Top Flavours Based on Customer Sales
Not sure which protein flavour to try? We use what our customers actually buy as a starting point, then help you narrow it down by the kind of shake you enjoy.
Where to Buy Protein Powder Samples in the UK
Want to try protein powder before buying a full tub? Here's where to find individual samples and which types are worth starting with.
Best Protein Powder Samples UK: Brands & Flavours to Try
Want to try protein before committing to a tub? Here's how we'd build a useful sample order across whey, clear whey and alternative formats.
Which Per4m Whey Flavour Should You Try? Based on Real Data
We analysed 39,174 Per4m Advanced Whey sample flavour selections to see which flavours customers choose most often, then explain how to pick one that suits your own taste.
Per4m Samples: Find Your Flavour Before You Buy
Not sure which Per4m whey flavour deserves a full tub? Try a few 30g sachets first, compare different flavour styles and buy bigger once you've found one you actually enjoy.
Protein Powder Samples: Try Before a Full Tub
Protein samples can save money and prevent waste. Learn what to test before choosing a flavour and committing to a full tub.
Whey Protein Concentrate vs Isolate: Which Is Right?
Whey concentrate and isolate come from the same source, but differ in filtration, lactose, macros and price. Here is how to choose.
Best-selling protein
Per4m Advanced Whey Protein Sample (30g)
Regular price
£1.75
Sale price
£1.75
Regular price
£1.95
Naughty Boy Whey Protein Sample (30g)
Regular price
£1.85
Sale price
£1.85
Regular price
£1.95
Per4m Advanced Whey Protein Powder (900g) - 30 Servings
Regular price
£34.95
Sale price
£34.95
Regular price
£39.95
Per4m Whey Hydrate Clear Whey Isolate + Electrolytes Sample (30g)
Regular price
£2.25
Sale price
£2.25
Regular price
£2.95
