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Cheapest overallMyProtein
Impact Pea Protein68 bought this week
68bought this week76% protein · 22.8g / 25g serving
Bag · 2.5kg
£30.99
£0.41 / 25g protein
Plant Blend
Cheapest Plant Protein Blend UK
Compare protein prices from MyProtein, Bulk, Optimum Nutrition and 85+ other UK retailers. Every product ranked by cost per 25g of protein. Free, updated weekly. Whether you are buying whey concentrate, whey isolate, vegan protein, casein, or a mass gainer, every bag is normalised to the same metric so you can compare across brands, sizes, and protein percentages without doing the maths yourself. No sponsored rows, no affiliate-biased rankings. The cheapest option sits at the top because it is the cheapest, not because a brand paid for placement.
2products tracked
98+retailers
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Hand-picked by our nutrition team every Monday, 07:00. Scored on £/25g protein, clean-label, and weekly velocity.
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About Plant Blend Protein
Plant protein blends combine multiple plant sources (pea, rice, hemp, etc.) for a more complete amino acid profile than single-source vegan proteins. They tend to cost slightly more than basic pea protein but offer better nutritional balance.
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.
A plant protein blend combines two or more plant-based protein sources to provide a more complete amino acid profile. Common combinations include pea and rice protein, which together provide all essential amino acids.