Find certified protein powders from UK retailers
Compare whey, isolate, casein and plant protein powders with recognised third-party certification, including Informed Sport, Informed Choice and Informed Protein. Certwell helps you find independently certified supplements and compare UK retailer options in one place.
Certification adds assurance, but absence of certification does not mean a product is unsafe. Always check the product label and certification body before purchase.
Which certification fits your needs?
I compete in tested sport
Designed for athletes who need stronger banned-substance assurance.
I train recreationally
Useful for gym users and recreational athletes who want additional testing assurance.
I care about protein label accuracy
Verifies protein content claims and includes testing checks.
I want the strongest signal
Combines protein verification with banned-substance testing assurance.
89 products
Optimum Nutrition
GOLD STANDARD 100% WHEY DOUBLE RICH CHOCOLATE
Best for: tested athletes
Available from 4 UK retailers
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Applied Nutrition
Critical Mass Professional
Best for: tested athletes
Available from 3 UK retailers
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Applied Nutrition
Critical Whey Professional
Best for: tested athletes
Available from 3 UK retailers
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Optimum Nutrition
Gold Standard 100% Whey Vanilla Ice Cream
Best for: tested athletes
Available from 3 UK retailers
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Optimum Nutrition
100% Gold Standard Casein
Best for: recreational athletes
Available from 2 UK retailers
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Healthspan Elite
Clear Whey Protein (All Blacks)
Best for: tested athletes
Available from 2 UK retailers
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PhD Nutrition
Diet Whey
Best for: verified protein content
Available from 2 UK retailers
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Applied Nutrition
Endurance Protein Recovery
Best for: tested athletes
Available from 2 UK retailers
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Optimum Nutrition
Gold Standard 100% Whey
Best for: recreational athletes
Available from 2 UK retailers
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Optimum Nutrition
Gold Standard Isolate
Best for: recreational athletes
Available from 2 UK retailers
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Myprotein
Impact Whey Isolate
Best for: verified protein content
Available from 2 UK retailers
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Healthspan Elite
Mass Gain Protein Blend (All Blacks)
Best for: tested athletes
Available from 2 UK retailers
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Form
Performance Protein
Best for: tested athletes
Available from 2 UK retailers
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Healthspan Elite
Plant Protein Vegan Blend (All Blacks)
Best for: tested athletes
Available from 2 UK retailers
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Soccer Supplement
PRO WHEY90
Best for: tested athletes
Available from 2 UK retailers
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Garden of Life
Raw Protein Greens
Best for: recreational athletes
Available from 2 UK retailers
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Soccer Supplement
Recover90
Best for: tested athletes
Available from 2 UK retailers
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Healthspan Elite
Ultimate Whey Blend (All Blacks)
Best for: tested athletes
Available from 2 UK retailers
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10X ATHLETIC
10X Vegan Protein
Best for: tested athletes
Available from 1 UK retailer
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10X ATHLETIC
10X WHEY PROTEIN
Best for: tested athletes
Available from 1 UK retailer
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bulk
Aftermath Post-Workout Recovery
Best for: tested athletes
Available from 1 UK retailer
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USN
BlueLab 100% Whey
Best for: recreational athletes
Available from 1 UK retailer
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Veloforte
Cappo Natural Protein Shake
Best for: tested athletes
Available from 1 UK retailer
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Rule One Proteins
Casein Protein
Best for: recreational athletes
Available from 1 UK retailer
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Rule One Proteins
Clean Gainer
Best for: recreational athletes
Available from 1 UK retailer
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Myprotein
Clear Whey Hydrate
Best for: recreational athletes
Available from 1 UK retailer
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Rule One Proteins
Clear Whey Isolate
Best for: recreational athletes
Available from 1 UK retailer
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Myprotein
Clear Whey Protein
Best for: recreational athletes
Available from 1 UK retailer
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Applied Nutrition
Critical Whey Professional
Best for: verified protein content
Available from 1 UK retailer
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bulk
Cutting Edge Protein
Best for: tested athletes
Available from 1 UK retailer
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Maxi Nutrition
Cyclone
Best for: tested athletes
Available from 1 UK retailer
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PERFECT Sports
DIESEL New Zealand Whey Isolate
Best for: recreational athletes
Available from 1 UK retailer
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PERFECT Sports
DIESEL VEGAN
Best for: recreational athletes
Available from 1 UK retailer
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PhD Nutrition
Diet Plant
Best for: verified protein content
Available from 1 UK retailer
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Dymatize Nutrition
Dymatize Elite Casein
Best for: recreational athletes
Available from 1 UK retailer
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ELEAT
ELEAT CEREAL
Best for: tested athletes
Available from 1 UK retailer
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Dymatize Nutrition
Elite 100% Whey
Best for: recreational athletes
Available from 1 UK retailer
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Dymatize Nutrition
Elite 100% Whey Protein
Best for: recreational athletes
Available from 1 UK retailer
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Optimum Nutrition
Gold Standard 100% Plant
Best for: recreational athletes
Available from 1 UK retailer
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Optimum Nutrition
GOLD STANDARD 100% WHEY ELITE SERIES
Best for: tested athletes
Available from 1 UK retailer
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Optimum Nutrition
Gold Standard Gainer
Best for: recreational athletes
Available from 1 UK retailer
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Optimum Nutrition
Gold Standard Plant - Elite Series
Best for: tested athletes
Available from 1 UK retailer
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RAW Nutrition
Grass Fed Whey Isolate Protein
Best for: verified protein content
Available from 1 UK retailer
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MUTANT
HARDCORE ISO/ISO SURGE
Best for: recreational athletes
Available from 1 UK retailer
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Myprotein
Impact Whey Isolate - GrassFed
Best for: verified protein content
Available from 1 UK retailer
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Myprotein
Impact Whey Protein
Best for: recreational athletes
Available from 1 UK retailer
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Myprotein
Impact Whey Protein
Best for: verified protein content
Available from 1 UK retailer
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MyProtein
Impact Whey Protein Elite
Best for: tested athletes
Available from 1 UK retailer
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bulk
Informed Mass Gainer
Best for: tested athletes
Available from 1 UK retailer
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bulk
Informed Whey Protein
Best for: tested athletes
Available from 1 UK retailer
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Dymatize Nutrition
ISO100 Hydrolyzed
Best for: recreational athletes
Available from 1 UK retailer
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Kinetica
Kinetica Clear Whey Isolate
Best for: tested athletes
Available from 1 UK retailer
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Kinetica
Kinetica Lean Active Protein
Best for: tested athletes
Available from 1 UK retailer
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Kinetica
Kinetica Plant Protein
Best for: tested athletes
Available from 1 UK retailer
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Kinetica
Kinetica Recovery
Best for: tested athletes
Available from 1 UK retailer
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Kinetica
Kinetica Whey
Best for: tested athletes
Available from 1 UK retailer
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Kendal Mint Co
KMC PRO MIX (Recovery Powder)
Best for: tested athletes
Available from 1 UK retailer
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Maxi Nutrition
Max Whey
Best for: tested athletes
Available from 1 UK retailer
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Maxi Nutrition
MaxClear
Best for: tested athletes
Available from 1 UK retailer
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Myprotein
MyVegan Plant Protein Superblend
Best for: recreational athletes
Available from 1 UK retailer
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Naked Nutrition
Naked Pea
Best for: recreational athletes
Available from 1 UK retailer
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Amway
Nutrilite All Plant Protein Powder
Best for: recreational athletes
Available from 1 UK retailer
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Garden of Life
Organic Plant Protein
Best for: recreational athletes
Available from 1 UK retailer
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PhD Nutrition
PhD Clear Whey Protein + Collagen
Best for: verified protein content
Available from 1 UK retailer
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PhD Nutrition
PhD Whey
Best for: verified protein content
Available from 1 UK retailer
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Optimum Nutrition
Platinum Hydro Whey
Best for: recreational athletes
Available from 1 UK retailer
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Powerbar
Powerbar Build Whey Protein Powder
Best for: tested athletes
Available from 1 UK retailer
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Maxi Nutrition
Progain
Best for: tested athletes
Available from 1 UK retailer
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Maxi Nutrition
Promax Lean
Best for: tested athletes
Available from 1 UK retailer
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Applied Nutrition
Protein Crunch
Best for: tested athletes
Available from 1 UK retailer
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Grenade
Protein Powder
Best for: tested athletes
Available from 1 UK retailer
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Rule One Proteins
R1 Plant Protein
Best for: recreational athletes
Available from 1 UK retailer
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Garden of Life
Raw Organic Protein
Best for: recreational athletes
Available from 1 UK retailer
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science in sport
REGO Clear Recovery
Best for: tested athletes
Available from 1 UK retailer
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science in sport
REGO Complete Clear Recovery
Best for: tested athletes
Available from 1 UK retailer
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science in sport
REGO Complete Recovery
Best for: tested athletes
Available from 1 UK retailer
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science in sport
REGO Rapid Recovery
Best for: tested athletes
Available from 1 UK retailer
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science in sport
REGO Whey Protein
Best for: tested athletes
Available from 1 UK retailer
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Optimum Nutrition
Serious Mass - Elite Series
Best for: tested athletes
Available from 1 UK retailer
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Rule One Proteins
Source 7 Protein
Best for: recreational athletes
Available from 1 UK retailer
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VOW Nutrition
Sparklean
Best for: tested athletes
Available from 1 UK retailer
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Garden of Life
Sport Organic Plant Based Protein
Best for: recreational athletes
Available from 1 UK retailer
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Dymatize Nutrition
Super Mass Gainer
Best for: recreational athletes
Available from 1 UK retailer
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Vega
Vega Performance Protein + Recovery Creamy Vanilla
Best for: tested athletes
Available from 1 UK retailer
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Bare Performance Nutrition
Whey Protein
Best for: verified protein content
Available from 1 UK retailer
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Rule One Proteins
Whey Protein
Best for: verified protein content
Available from 1 UK retailer
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Soccer Supplement
Whey90
Best for: tested athletes
Available from 1 UK retailer
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Whole Supp
Whole Supp
Best for: tested athletes
Available from 1 UK retailer
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Browse more
Frequently asked questions
What does certified protein powder mean?▾
A certified protein powder has been independently tested or verified by a recognised third-party programme. The specific assurance depends on the programme — some test for banned substances, some verify labelled protein content, some do both.
Is Informed Sport better than Informed Choice?▾
They serve different audiences. Informed Sport is aimed at athletes in tested sports and applies stricter batch testing. Informed Choice is aimed at recreational athletes and supplement users who want additional banned-substance testing assurance.
What does Informed Protein verify?▾
Informed Protein verifies the labelled protein content of a product and includes banned-substance screening. It is focused on protein products specifically.
Are certified protein powders safer?▾
Certification adds assurance from independent testing, but absence of certification does not mean a product is unsafe. Always check the product label, batch information and certification body before purchase.
Should tested athletes only use Informed Sport protein?▾
Athletes in tested sports often prefer products with banned-substance batch testing, such as Informed Sport or NSF Certified for Sport. Other certifications can complement that assurance but do not replace it.
Does Certwell sell supplements directly?▾
No. Certwell is an information and comparison tool. We link out to UK retailers; we do not sell or ship supplements.
How does Certwell make money?▾
Certwell may earn a commission from retailer links. Editorial decisions about which products and certifications to feature are independent of any retailer or brand.
Should I check the batch number before using a product?▾
For certifications that batch-test, such as Informed Sport, you can check whether a specific batch number appears on the certifying body’s site. This is the strongest form of assurance for tested-sport athletes.
Certwell is an information and comparison tool. Certification adds assurance, but absence of certification does not mean a product is unsafe. Always check the product label, batch information and certification body before purchase or use.