Protein Reviews
Whey, vegan and mass gainer guides and head-to-head comparisons, all built around live UK prices and cost per gram of protein.
Buying Guide
Three types of whey protein dominate UK shelves, but they are not interchangeable. Here is a plain-language breakdown of concentrate, isolate and hydrolysate, what each one is, how they compare on cost, and which one is actually right for you.
Bernard · CEO of ProteinDeals
2 May 2026 · 7 min read
Buying Guide
Whey protein is the most popular sports supplement in the UK, but most people buying it have only a vague idea of what it actually is. Here is a straightforward explanation of where whey comes from, what it does, and whether it is worth buying.
Bernard · CEO of ProteinDeals
30 April 2026 · 6 min read
Buying Guide
The fitness industry loves a rule about protein timing. Drink your shake within 30 minutes of training or the gains disappear. The research tells a more nuanced story. Here is what actually matters about when you take your protein.
Bernard · CEO of ProteinDeals
26 April 2026 · 6 min read
Buying Guide
Before or after is one of the most Googled questions in sports nutrition. The answer matters less than most people think, but there is still a sensible default. Here is a straight answer based on what the research actually shows.
Bernard · CEO of ProteinDeals
24 April 2026 · 5 min read
Price Analysis
Whey protein is marketed heavily at people building muscle, but its role in fat loss is just as strong. Higher protein diets consistently outperform lower protein diets for fat loss. Here is why whey is one of the most practical tools for hitting those targets.
Bernard · CEO of ProteinDeals
22 April 2026 · 6 min read
Buying Guide
Whey protein is the most widely sold sports supplement in the world, and muscle building is the main reason people buy it. The research is clear, but the nuance matters. Here is what whey protein actually does, and what it does not do, when it comes to muscle growth.
Bernard · CEO of ProteinDeals
20 April 2026 · 7 min read
Buying Guide
Clear whey is one of the fastest-growing product categories in UK sports nutrition. It looks like a fruit drink, tastes nothing like a traditional protein shake, and delivers a comparable protein hit per serving. Here is exactly what it is and whether it is worth buying.
Bernard · CEO of ProteinDeals
16 April 2026 · 5 min read
Brand Comparison
The gap between whey and plant-based protein has narrowed significantly as vegan formulations have improved. For most goals, both can work, but the differences in amino acid profile, cost and digestibility still matter. Here is a direct comparison.
Bernard · CEO of ProteinDeals
18 April 2026 · 7 min read
Buying Guide
Pea protein has gone from a niche plant alternative to the most widely used vegan protein base in the UK. Here is what it actually is, how it compares to whey, and whether it is worth buying.
Bernard · CEO of ProteinDeals
2 April 2026 · 6 min read
Brand Comparison
Pea and soy are the two most effective plant protein sources for muscle building. They have different amino acid profiles, different allergen considerations, and different price points. Here is a direct comparison to help you decide.
Bernard · CEO of ProteinDeals
31 March 2026 · 6 min read
Buying Guide
The idea that plant protein cannot build muscle is outdated. The research has caught up, the products have improved, and vegan athletes are building comparable muscle to their whey-using peers. Here is the evidence-based picture.
Bernard · CEO of ProteinDeals
27 March 2026 · 6 min read
Price Analysis
Vegan protein used to mean paying a premium. That is no longer the case. Competition in the UK plant protein market has driven prices down significantly, but the cheapest tub is not always the best value. Here is how to find the genuinely cheapest vegan protein per gram.
Bernard · CEO of ProteinDeals
25 March 2026 · 5 min read
Buying Guide
On their own, pea protein and rice protein each have gaps in their amino acid profile. Together, they cover each other's weaknesses and produce a complete plant protein comparable to whey. Here is the science behind the most effective vegan protein combination.
Bernard · CEO of ProteinDeals
23 March 2026 · 5 min read
Buying Guide
Soy protein is one of the most effective and most misunderstood protein sources available. It is complete, highly digestible, and backed by decades of research, yet it attracts more controversy than almost any other supplement. Here is a clear-eyed look at what it actually is and what the evidence says.
Bernard · CEO of ProteinDeals
21 March 2026 · 6 min read
Buying Guide
From field to tub, vegan protein powder goes through several processing steps that most buyers never think about. Understanding how it is made explains why different plant proteins behave differently and why some are better value than others.
Bernard · CEO of ProteinDeals
19 March 2026 · 5 min read
Buying Guide
Soy protein gets blamed for feminising men, lowering testosterone and causing gynaecomastia. These claims have circulated in fitness communities for years. Here is what the research actually shows — and why most of the fear is significantly overstated.
Bernard · CEO of ProteinDeals
17 March 2026 · 6 min read
Buying Guide
Best UK vegan protein powders in 2026: Form, Bulk Vegan, Protein Works Vegan 360 ranked by protein density, cost per 25g, and clean-label sourcing.
Bernard · CEO of ProteinDeals
5 February 2026 · 8 min read
Buying Guide
Mass gainers promise rapid size gains in a scoop. The reality is more nuanced. They are a tool for a specific problem, not a universal bulking solution. Here is what they actually are, who they are genuinely useful for, and when you are better off without them.
Bernard · CEO of ProteinDeals
14 April 2026 · 6 min read
Brand Comparison
Both products are sold as bulking supplements. One is a protein source. The other is a meal replacement in powder form. Choosing the wrong one is a common and costly mistake. Here is exactly how to decide which belongs in your stack.
Bernard · CEO of ProteinDeals
12 April 2026 · 6 min read
Buying Guide
Bulking is straightforward in theory: eat more than you burn. The practical detail that most guides skip is how much more. Eat too little and muscle gain stalls. Eat too much and you spend months cutting fat you did not need to gain. Here is how to find the right number.
Bernard · CEO of ProteinDeals
10 April 2026 · 7 min read
Buying Guide
Dirty bulking means eating everything in sight to maximise size. Clean bulking means a controlled surplus with quality food. One is genuinely more effective. The other feels better in the gym for about six weeks before the regret sets in. Here is the honest comparison.
Bernard · CEO of ProteinDeals
8 April 2026 · 6 min read
Buying Guide
A mass gainer is a large calorie delivery system. When you take those calories matters for digestion, training performance, and how effectively your body uses them. Here is when to time your mass gainer shake and when to avoid it.
Bernard · CEO of ProteinDeals
6 April 2026 · 5 min read
Buying Guide
Mass gainers are calorie-dense by design. Used without a plan, they make fat gain almost inevitable. Used correctly, with accurate calorie tracking and a sensible surplus, they are an efficient tool for lean muscle growth. Here is exactly how to do it right.
Bernard · CEO of ProteinDeals
4 April 2026 · 6 min read
How It Works
Learn the simple calculation that reveals what each gram of protein really costs, with worked examples for different bag sizes and protein percentages.
Bernard · CEO of ProteinDeals
13 July 2026 · 6 min read
Price Analysis
Four worthwhile UK protein powders for 2026, judged by the protein you actually receive for your money, not the size of the discount badge.
Bernard · CEO of ProteinDeals
10 July 2026 · 10 min read
Health & Ingredients
For most adults, creatine is refreshingly simple: take 3-5g of monohydrate every day. Loading reaches full stores sooner, but it does not improve the eventual result.
Bernard · CEO of ProteinDeals
7 July 2026 · 8 min read
Health & Ingredients
Creapure is still creatine monohydrate. Its premium pays for named German manufacture, traceability and batch specifications, not stronger gym results than an equally pure generic product.
Bernard · CEO of ProteinDeals
4 July 2026 · 8 min read
Price Analysis
A cheap-looking tub can contain expensive protein. This guide normalises UK powders by pack weight and protein content so unlike products can be compared properly.
Bernard · CEO of ProteinDeals
2 July 2026 · 8 min read
Buying Guide
Subscriptions remove the hassle of reordering, but they do not guarantee the lowest protein price. Compare recurring plans, bundles and large bags on the same 25g basis.
Bernard · CEO of ProteinDeals
30 June 2026 · 8 min read
Buying Guide
Good mixability comes from instantisation, particle structure, ingredients and technique. These UK picks are easier to shake, and the liquid-first method costs nothing to try.
Bernard · CEO of ProteinDeals
27 June 2026 · 8 min read
Buying Guide
UK protein prices become comparable only after pack size and protein percentage are normalised. Learn the useful metrics, the common traps and the savings tactics worth checking.
Bernard · CEO of ProteinDeals
23 June 2026 · 8 min read
Buying Guide
Vegetarians can choose from whey, casein, egg white and plant proteins. The right powder depends on which animal products you eat, digestion, training goals and budget.
Bernard · CEO of ProteinDeals
20 June 2026 · 8 min read
Brand Comparison
Gold Standard and Nitro-Tech Whey Gold both provide 24g protein, but their UK labels, pack economics and retailer coverage make Gold Standard the easier product to price-shop.
Bernard · CEO of ProteinDeals
17 June 2026 · 8 min read
Buying Guide
Chocolate powders span budget whey, isolate and plant blends. Compare the exact flavour label, cocoa, sweeteners and live protein cost before choosing by name alone.
Bernard · CEO of ProteinDeals
14 June 2026 · 8 min read
Buying Guide
Isolate removes more lactose, fat and carbohydrate; concentrate usually costs less. Compare exact flavour labels and protein cost to see whether extra filtration solves a real problem.
Bernard · CEO of ProteinDeals
10 June 2026 · 8 min read
Behind the Project
Finding protein powder is easy. Checking dozens of websites to discover the genuine best deal is not. Here is why ProteinDeals compares the price of 1g of actual protein.
Bernard · CEO of ProteinDeals
9 June 2026 · 8 min read
Buying Guide
Protein powder does not burn fat, but it can make a calorie deficit easier to manage. Compare useful UK options by calories, protein, price and purpose.
Bernard · CEO of ProteinDeals
6 June 2026 · 10 min read
Brand Comparison
Compare Myprotein products with one another and with major UK rivals, without mistaking a discount percentage for proof of value.
Bernard · CEO of ProteinDeals
2 June 2026 · 8 min read
Buying Guide
The best UK protein powders for smoothies, porridge, coffee and baking in 2026. Which type mixes, bakes and dissolves best, plus the most versatile picks ranked by use and cost per 25g.
Bernard · CEO of ProteinDeals
29 May 2026 · 8 min read
Health & Ingredients
Protein deficiency hits UK older adults and dieters harder than most realise. Seven warning signs, the actual daily target, and how protein powder closes gaps.
Bernard · CEO of ProteinDeals
28 May 2026 · 8 min read
Health & Ingredients
EFSA caps caffeine at 400mg per day and 200mg per single dose. Most UK pre-workouts fit the window if you account for coffee. How to stay safe in 2026.
Bernard · CEO of ProteinDeals
27 May 2026 · 8 min read
Price Analysis
MyProtein Impact Whey hits £1.20 per 100g on Impact Week - cheapest UK mainstream whey. The RRP is inflated to make codes feel bigger. Real economics in 2026.
Bernard · CEO of ProteinDeals
23 May 2026 · 8 min read
Buying Guide
Reddit, Trustpilot, and UK forum consensus on the best budget protein powder in 2026. The brands, the tactics, and the discount-stacking tricks that work.
Bernard · CEO of ProteinDeals
19 May 2026 · 8 min read
Buying Guide
Cheap UK whey at 70g protein per 100g from a real brand builds muscle the same as premium. Pay attention to protein density, not the price tag, in 2026.
Bernard · CEO of ProteinDeals
17 May 2026 · 8 min read
Buying Guide
The best protein powder for beginners in the UK in 2026. What to buy first, which type to pick, how much to take, and the simplest value options ranked by cost per 25g of protein.
Bernard · CEO of ProteinDeals
15 May 2026 · 8 min read
Health & Ingredients
Losing weight too fast on Mounjaro can cost your prescription. UK diet plan with protein targets, weekly meals, and where protein powder fits in 2026.
Bernard · CEO of ProteinDeals
13 May 2026 · 8 min read
Price Analysis
Tub price hides value. Cost per 25g of protein is the metric that matters. The maths, the formulas, and how to apply them to UK products in seconds.
Bernard · CEO of ProteinDeals
12 May 2026 · 8 min read
Brand Comparison
Applied Nutrition ISO-XP at 90g protein per 100g is 25% cheaper per 25g of protein than Optimum Nutrition Gold Standard's 79g. UK head-to-head 2026 prices.
Bernard · CEO of ProteinDeals
10 May 2026 · 8 min read
Buying Guide
Best UK pre-workout 2026: Applied Nutrition ABE leads on dosing (200mg caffeine, 3.2g beta-alanine, 6g citrulline). Grenade .50 Calibre wins on flavour. Stim-free options for evening lifts.
Bernard · CEO of ProteinDeals
7 May 2026 · 8 min read
Buying Guide
Applied Nutrition ISO-XP delivers 90g protein per 100g, the highest UK whey isolate density in 2026. Bulk Pure Whey Isolate 84g, MyProtein Impact Whey Isolate 76g.
Bernard · CEO of ProteinDeals
5 May 2026 · 10 min read
Price Analysis
Eight practical tactics to reduce what you pay for protein powder in the UK, from bag size to timing your purchase around sales cycles.
Bernard · CEO of ProteinDeals
1 May 2026 · 8 min read
Health & Ingredients
Protein spiking and amino spiking explained. How manufacturers game protein tests, the three checks that expose it, and the UK whey proteins that pass, using live price and protein density data.
Bernard · CEO of ProteinDeals
30 April 2026 · 8 min read
Health & Ingredients
Best UK protein powder without artificial sweeteners in 2026. Naturally sweetened, stevia, and unflavoured whey and plant options with short ingredient lists, ranked by value and protein content.
Bernard · CEO of ProteinDeals
29 April 2026 · 8 min read
Price Analysis
Premium UK whey costs roughly 2x cheap whey for under 10g per 100g more protein. Where the money actually goes, and when the premium is worth it in 2026.
Bernard · CEO of ProteinDeals
28 April 2026 · 8 min read
Buying Guide
UK government guidelines set the protein RDA at 0.75g per kg of bodyweight. Sports scientists think that number is too low for anyone doing regular exercise. Here is what the research actually says about protein requirements for different goals.
Bernard · CEO of ProteinDeals
28 April 2026 · 7 min read
Health & Ingredients
Most mass gainers are mostly maltodextrin. Here is what the cheapest options in the UK actually contain and which ones offer real value.
Bernard · CEO of ProteinDeals
27 April 2026 · 8 min read
How It Works
How ProteinDeals rates and compares protein powder: the scoring categories we use, how we weight value, protein content, ingredients and testing, and why we judge cost per 25g of protein rather than tub price.
Bernard · CEO of ProteinDeals
26 April 2026 · 8 min read
Buying Guide
Tesco, Asda and Holland & Barrett protein costs 30-60% more than the same product online. What is actually worth buying off the UK supermarket shelf in 2026.
Bernard · CEO of ProteinDeals
23 April 2026 · 8 min read
Buying Guide
Protein powder is a top recurring student cost. How to cut your spend without settling for a worse product, using real UK price data from 85+ retailers.
Bernard · CEO of ProteinDeals
20 April 2026 · 8 min read
Buying Guide
Clear whey is UK protein's fastest-growing category but costs more than regular whey. What it is, whether the premium is worth it, and cheapest 2026 picks.
Bernard · CEO of ProteinDeals
16 April 2026 · 8 min read
Buying Guide
Optimum Nutrition Gold Standard holds 4.6 stars across 55,000+ Amazon UK reviews. Most-reviewed UK protein powders of 2026 ranked by count and sentiment.
Bernard · CEO of ProteinDeals
15 April 2026 · 9 min read
Buying Guide
Definitive UK protein powder ranking for 2026 across budget whey concentrate to premium isolate. Real price per 25g of protein on every pick.
Bernard · CEO of ProteinDeals
12 April 2026 · 8 min read
Buying Guide
Optimum Nutrition Gold Standard leads UK muscle gain protein in 2026: 24g protein and 5.5g leucine per scoop. MyProtein is the budget pick at 36p per 25g.
Bernard · CEO of ProteinDeals
11 April 2026 · 11 min read
Health & Ingredients
Some protein powders contain additives like E150c that trigger headaches. What causes it, what to check on the label, and how to find a cleaner UK alternative.
Bernard · CEO of ProteinDeals
9 April 2026 · 8 min read
Buying Guide
Vanilla is the most versatile UK protein flavour - great solo and perfect for recipes. Best-value vanilla picks in 2026, ranked by cost per 100g.
Bernard · CEO of ProteinDeals
6 April 2026 · 8 min read
Brand Comparison
MyProtein Impact Whey vs Protein Works Whey 80 head-to-head on UK price per 100g, protein content, flavours, and discount-code reality in 2026.
Bernard · CEO of ProteinDeals
3 April 2026 · 8 min read
Buying Guide
Best UK mass gainer 2026: Optimum Nutrition Serious Mass at 1,250 kcal and 50g protein leads. Applied Nutrition Critical Mass Professional is highest protein. Warrior wins on price.
Bernard · CEO of ProteinDeals
31 March 2026 · 8 min read
Health & Ingredients
The cleanest protein powders in the UK in 2026. Short ingredient lists, no soy lecithin, gums or artificial sweeteners. The least-processed whey and plant options ranked by purity and value.
Bernard · CEO of ProteinDeals
29 March 2026 · 8 min read
Buying Guide
Every UK mass gainer ranked by price per 100g for 2026. The cheapest current picks, what to look for, and whether making your own is a better deal.
Bernard · CEO of ProteinDeals
25 March 2026 · 8 min read
How It Works
Where ProteinDeals UK protein price data comes from, how often it updates, and why occasional drift from retailer-site prices happens. Honest data methodology.
Bernard · CEO of ProteinDeals
23 March 2026 · 8 min read
Buying Guide
Creatine monohydrate is the most evidence-backed supplement. UK 2026 picks ranked across 15p to 60p per 5g serving by use case and Informed Sport status.
Bernard · CEO of ProteinDeals
21 March 2026 · 8 min read
Health & Ingredients
Around 5 percent of UK adults are lactose intolerant. The best dairy-free protein picks across pea, soy, hemp, rice, egg and beef for 2026.
Bernard · CEO of ProteinDeals
19 March 2026 · 8 min read
Buying Guide
PhD Diet Whey leads UK protein powder for women in 2026: 20g protein under 100 kcal. Form Performance Protein wins vegan, Applied ISO-XP wins cutting macros.
Bernard · CEO of ProteinDeals
18 March 2026 · 12 min read
Buying Guide
Cheap UK protein picks for 2026 ranked by cost per 25g of protein. Whey, isolate, and vegan compared using live price data from 85+ tracked retailers.
Bernard · CEO of ProteinDeals
17 March 2026 · 8 min read
Brand Comparison
Mutant Whey and Warrior Whey go head to head on protein content, price and taste. Two budget-friendly concentrates compared for UK buyers.
Bernard · CEO of ProteinDeals
13 March 2026 · 8 min read
Buying Guide
Best summer cut proteins deliver 20g protein under 110 kcal at sub-50p per 25g. PhD Diet Whey, Applied ISO-XP and Bulk Pure Whey Isolate ranked for UK 2026.
Bernard · CEO of ProteinDeals
10 March 2026 · 8 min read
Price Analysis
Optimum Nutrition Gold Standard Whey is sold by dozens of UK retailers at wildly different prices. Here is where to find it cheapest right now.
Bernard · CEO of ProteinDeals
8 March 2026 · 8 min read
Buying Guide
A comparison of the major UK protein powder retailers: who is cheapest, who has the best range, and when to buy from each.
Bernard · CEO of ProteinDeals
7 March 2026 · 8 min read
Buying Guide
MyProtein Meal Replacement Blend leads UK meal replacements in 2026: 230 kcal, 35g protein, 25% RNI vitamins per serving. PER4M and Reflex Complete also ranked.
Bernard · CEO of ProteinDeals
4 March 2026 · 11 min read
Health & Ingredients
The best third-party tested and Informed Sport certified protein powders in the UK in 2026. What batch testing means, who needs it, and the cleanest certified whey and plant options ranked by value.
Bernard · CEO of ProteinDeals
2 March 2026 · 8 min read
Brand Comparison
The best Optimum Nutrition alternatives in the UK in 2026. Cheaper whey proteins that match Gold Standard on quality, ranked by cost per 25g of protein, plus when ON is still worth it.
Bernard · CEO of ProteinDeals
28 February 2026 · 8 min read
Brand Comparison
Five UK MyProtein alternatives worth trying in 2026: Bulk, Applied Nutrition, Optimum Nutrition, Protein Works and PhD with real Trustpilot ratings.
Bernard · CEO of ProteinDeals
25 February 2026 · 8 min read
Price Analysis
Q2 2026 UK protein price tracking shows the opposite of the Q1 panic. The biggest movers, new cheapest bags, and what it means for your next purchase.
Bernard · CEO of ProteinDeals
22 February 2026 · 8 min read
Buying Guide
Best UK casein protein 2026: Optimum Nutrition Gold Standard leads overall. Bulk Micellar Casein is the value pick. Applied Nutrition is Informed Sport tested.
Bernard · CEO of ProteinDeals
20 February 2026 · 8 min read
Buying Guide
Mounjaro and Wegovy cause muscle loss alongside fat loss. The best UK protein powder picks for GLP-1 users in 2026, with live price data across 85+ retailers.
Bernard · CEO of ProteinDeals
19 February 2026 · 8 min read
Buying Guide
MyProtein Impact Whey Chocolate Brownie is the best-tasting UK whey in 2026 by Reddit consensus. Flavour-by-flavour picks across whey, vegan and clear.
Bernard · CEO of ProteinDeals
16 February 2026 · 8 min read
Health & Ingredients
Bulk Skin Health Powder leads UK collagen in 2026: marine collagen plus 6 actives at £1.20 per dose. Myvitamins Beauty Powder is the budget pick at 90p.
Bernard · CEO of ProteinDeals
14 February 2026 · 8 min read
Price Analysis
UK whey protein prices have climbed roughly 8% since last year. What is behind the increase and seven practical ways to keep your protein costs down in 2026.
Bernard · CEO of ProteinDeals
13 February 2026 · 8 min read
Buying Guide
The types of whey protein compared: concentrate, isolate, hydrolysate and clear whey. How they differ on protein, price and use case, with live UK cost-per-25g data and which to buy.
Bernard · CEO of ProteinDeals
11 February 2026 · 8 min read
Health & Ingredients
Best UK protein powder for sensitive stomachs and bloating in 2026. Low-lactose whey isolate, dairy-free plant blends and clear whey, ranked by digestibility and cost per 25g of protein.
Bernard · CEO of ProteinDeals
10 February 2026 · 8 min read
Brand Comparison
MyProtein and Bulk are the two UK budget protein leaders. Head-to-head on price, taste, and macros to find which saves you more in 2026.
Bernard · CEO of ProteinDeals
7 February 2026 · 8 min read
Buying Guide
Best UK pre-workout for heavy lifting hits 200-300mg caffeine, 3.2g beta-alanine and 6-8g citrulline. The 2026 products that actually meet those thresholds.
Bernard · CEO of ProteinDeals
2 February 2026 · 8 min read
Health & Ingredients
Stim pre-workouts hit 150-400mg caffeine per serving. Stim-free leans on citrulline and beta-alanine. When each one wins in the UK in 2026.
Bernard · CEO of ProteinDeals
31 January 2026 · 8 min read
Buying Guide
Zac Perna built his physique on EHPlabs: IsoPept Zero whey isolate, Creatine, BeyondBCAA EAAs and OxyShred for morning energy. EHPlabs ships from Australia with limited UK stock. Here are the UK alternatives that match each slot in his stack, in stock from UK warehouses with next-day delivery.
Bernard · CEO of ProteinDeals
29 January 2026 · 8 min read
Ready to compare?
Live UK prices ranked by cost per gram
