Which Per4m products offer the best value?

Value changes by product, size and promotion. Compare the normalised price in the table, then confirm the selected variant and final checkout price with Per4m.

Which Per4m products are included?

This page includes the currently tracked in-stock Per4m products. Use the category tabs and table filters to narrow the catalogue.

How often are prices updated?

ProteinDeals refreshes retailer data regularly. Stock, delivery and temporary promotions can still change between updates.

Compare Per4m Prices:Live UK PriceComparison

Compare every tracked in-stock Per4m product using normalised prices, nutrition and pack sizes. Switch between single-purchase and subscription prices where available.

Live prices234 products1 retailersUpdated 12 Sept 2026

Buying Guide

How to Buy Cheap Protein Powder UK: 10 Value Checks

Find genuinely cheap protein powder in the UK by comparing the cost of the protein inside—not simply the bag price. Includes whey, vegan, isolate and clear protein.

10 min read

Brand Comparison

Bulk vs Protein Works UK: Price, Ingredients and Protein Compared

Bulk vs The Protein Works compared product by product: whey, isolate and vegan formulas, with live value, ingredients, texture and practical buyer verdicts.

11 min read

Price Analysis

Why Is Myprotein So Expensive in 2026? UK Price History Compared

Myprotein's RRP, permanent discount cycle and changing pack prices explained using live UK value data—plus when it is genuinely worth buying.

7 min read

Brand Comparison

Myprotein vs THE PROTEIN WORKS 2026: Which Is Better?

Compare Myprotein and THE PROTEIN WORKS on live UK prices, protein quality, calories, flavours and genuine cost per gram of protein.

7 min read

Buying Guide

Protein Powder Blendability: Why Powders Clump and What Mixes Best

Why some protein powders dissolve smoothly while others float, clump or turn gritty—plus the ingredients, protein types and preparation choices that change texture.

12 min read

Buying Guide

Best Holland & Barrett Protein Powder UK: What Is Worth Buying in 2026?

The best protein powders currently sold through Holland & Barrett, ranked by protein density, format, price and who each one actually suits.

11 min read

Price Analysis

Holland & Barrett vs Amazon UK: Where Are Supplements Cheaper?

Holland & Barrett offers stores, multibuys and a curated range; Amazon offers more sellers and volatile prices. Neither wins every supplement.

9 min read

Buying Guide

Best Holland & Barrett Vegan Protein Powder UK 2026

The strongest vegan protein choices at Holland & Barrett, including blended plant powders, simpler hemp options and products worth buying only on sale.

9 min read

Price Analysis

Protein Powder Subscriptions UK: Are They Worth It in 2026?

Real UK protein subscription prices compared with one-off prices. See what Innermost, MaxiNutrition, Vivo Life and other recurring plans currently save.

10 min read