Bag · 5kg
£59.99
£0.36 / 25g protein
Myprotein vs Bulk
Myprotein vs Bulk: Price Comparison 2026
Myprotein vs Bulk head-to-head across every product, ranked by cost per 25g protein. Live UK pricing, updated weekly across both brands.
61 products tracked98+ retailersWeekly updates
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Hand-picked by our nutrition team every Monday, 07:00. Scored on £/25g protein, clean-label, and weekly velocity.
Showing 61 myprotein vs bulk products
Quick filters
Bulk
Soya Protein Isolate
Various · 5kg
Cost / 25g
£0.36
Bag
£59.99
Bulk
Pea Protein Isolate
Various · 5kg
Cost / 25g
£0.38
Bag
£59.99
MyProtein
Impact Pea Protein
Various · 2.5kg
Cost / 25g
£0.41
Bag
£30.99
MyProtein
Impact Soy Protein
Chocolate Smooth · 5kg
Cost / 25g
£0.41
Bag
£69.49
Bulk
Brown Rice Protein
Various · 2.5kg
Cost / 25g
£0.42
Bag
£33.99
Bulk
Basic Whey Protein
Basic Strawberry Up To Per Sugar Absorbing Gym Supplement Supports Muscle Growth · 2.5kg
Cost / 25g
£0.46
Bag
£32.99
Bulk
Vegan Protein Powder Chocolate Peanut 500g
Chocolate Peanut · 500g
Cost / 25g
£0.51
Bag
£7.00
MyProtein
Impact Vegan Protein
Cereal Milk · 5kg
Cost / 25g
£0.52
Bag
£75.49
Bulk
Vegan Protein Powder
Various · 5kg
Cost / 25g
£0.57
Bag
£77.99
Bulk
Beef Protein Isolate 97
Chocolate Peanut Butter · 5kg
Cost / 25g
£0.59
Bag
£114.99
MyProtein
Essential Whey Protein
100servings Vanilla · 2.5kg
Cost / 25g
£0.62
Bag
£39.99
MyProtein
Essential Whey Protein Shake
70servings Chocolate Fudge · 2.5kg
Cost / 25g
£0.62
Bag
£44.99
Bulk
Pure Whey Protein
White Chocolate · 5kg
Cost / 25g
£0.70
Bag
£99.99
MyProtein
Impact Whey Protein Powder
166servings Mocha · 5kg
Cost / 25g
£0.75
Bag
£108.49
MyProtein
Impact Micellar Casein Powder
Various · 1kg
Cost / 25g
£0.75
Bag
£24.49
MyProtein
Impact Diet Whey
Chocolate Coconut · 5kg
Cost / 25g
£0.76
Bag
£89.99
Bulk
Organic Pure Whey Protein
Unflavoured · 2.5kg
Cost / 25g
£0.78
Bag
£59.99
MyProtein
Grass - Fed Beef Protein Isolate
Grassfed Chocolate · 1kg
Cost / 25g
£0.83
Bag
£29.99
MyProtein
Impact Whey Elite | Informed Sport Certified
Natural Chocolate · 1kg
Cost / 25g
£0.84
Bag
£24.99
Bulk
Micellar Casein
Vanilla · 2.5kg
Cost / 25g
£0.85
Bag
£67.99
Bulk
Whey Protein Coffee
Chocolate · 1kg
Cost / 25g
£0.87
Bag
£24.99
MyProtein
THE Whey
Milk Chocolate · 2.1kg
Cost / 25g
£0.91
Bag
£54.99
MyProtein
Impact Whey Protein Elite
Natural Chocolate (Informed Sport) · 1kg
Cost / 25g
£0.91
Bag
£26.99
MyProtein
Impact Whey Protein, Apple, 1kg
Apple · 1kg
Cost / 25g
£0.92
Bag
£23.99
Browse All Myprotein & Bulk Products (61)
Myprotein vs Bulk: The Breakdown
Myprotein and Bulk are the two biggest budget protein brands in the UK. Both sell direct, both run frequent sales, and both have a loyal following. The question everyone asks is simple: which one is actually cheaper?
This page answers that with data, not opinions. Every product from both brands is listed below with live UK pricing, normalised to cost per 25g of protein so you can compare fairly regardless of bag size. The summary below shows how the two brands stack up right now.
Prices are checked weekly. The cheapest brand can change depending on current sales and discount codes — check back regularly or use the comparison grid to find today's best deal.
Methodology
How we rank every bag.
Independent, transparent, and updated weekly. Here's what goes into each score.
01
Cost normalised to £/25g
Every bag divided by its true protein weight, so you see the real cost of a scoop across any size or brand.
02
Protein quality, not just %
Protein %, leucine and digestibility feed the Performance score. A 90% isolate and a 90% vegan blend are not the same.
03
Clean-label audit
Ingredient count, artificial sweeteners, added sugars, third-party certifications. 0 to 100 score.
04
Social and review signals
Weekly purchase volume and weighted review scores surface what people actually re-buy, not just what ranks on search.
Questions, answered.
It depends on the specific product and timing. Myprotein runs near-constant sales which can make their headline prices look cheaper, but Bulk's standard pricing is often competitive without needing a discount code. The summary stats on this page show the current average across all products from both brands.