Best Tasting Protein Powder UK: A Smarter Buyer's Guide for 2026

MyProtein Impact Whey Chocolate Brownie tops the UK ranking by review consensus. It is named first in the proteinpromo Best Impact Whey Flavour 2026 poll, ranks top 3 in MyProtein's own customer voting, and appears more often than any other flavour in Reddit r/workout best taste threads. Buyers describe it as actually tasting like a chocolate brownie rather than a generic chocolate protein.

Behind Chocolate Brownie, the second tier picks are Warrior Whey Double Chocolate, Optimum Nutrition Gold Standard French Vanilla Creme (4.7 stars on 15,058 Amazon UK reviews), and MyProtein Clear Whey Isolate in Peach Tea, which RedditRecs rates at 77 percent positive sentiment across 173 mentions.

Taste is subjective, but consensus is not. A flavour that wins across three independent review pools genuinely tastes good to a broad audience rather than a vocal minority. This ranking weighted four sources.

1. 1

   Reddit r/workout, r/Fitness, and r/Supplements megathreads. The consolidated best tasting threads on each subreddit are re-ranked annually. Threadlens UK and RedRecs aggregate sentiment from these threads into per-product scores.

2. 2

   The Overclockers UK 200 sample review thread. A long-running UK forum thread where one tester systematically rates 200+ protein powder samples on a 1 to 10 scale with detailed mix and flavour notes. Per4m Chocolatella, Ghost Milk Chocolate, and Trained by JP Red Velvet Cake all score 7 or above.

3. 3

   Verified Amazon UK review snippets. Filtered to reviews mentioning specific flavour notes rather than generic tastes good boilerplate, which removes fake review noise and surfaces genuine flavour descriptions.

4. 4

   Trustpilot retailer review mentions. Direct brand retailers such as MyProtein, Bulk, and Warrior collect flavour specific feedback in their Trustpilot scores. Warrior Double Chocolate, Bulk Strawberries and Cream, and MyProtein Salted Caramel appear repeatedly in their respective five star reviews.

Creamy whey, meaning regular concentrate or isolate that mixes into a milkshake-style drink, is still the dominant UK category. The flavours that win here are the ones that taste like the dessert they are named after rather than a chemical approximation of it.

Rank	Product	Best for	ProteinDeals verdict
1	MyProtein Impact Whey Chocolate Brownie.From £113.99 Pros +Whey concentrate supplies a complete essential-amino-acid profile +28.2% below the £3.53/100g average across 58 comparable /compare listings Cons −Whey concentrate may not suit lactose-sensitive users −Requires about 37.3g powder to provide 25g protein	Best overall	Reddit r/workout and proteinpromo both describe it as actually tasting like a chocolate brownie rather than protein. Sweetness is pitched right with no chalky finish.
2	MyProtein Impact Whey Salted Caramel.From £113.99 Pros +Whey concentrate supplies a complete essential-amino-acid profile +28.2% below the £3.53/100g average across 58 comparable /compare listings Cons −Whey concentrate may not suit lactose-sensitive users −Requires about 37.3g powder to provide 25g protein	Best-value alternative	A Reddit top 5 flavour. Buyers consistently note the salt balance lifts the sweetness rather than overpowering it.
3	Warrior Whey Double Chocolate.From £29.99 Pros +Whey concentrate supplies a complete essential-amino-acid profile +15% below the £3.53/100g average across 58 comparable /compare listings Cons −Whey concentrate may not suit lactose-sensitive users −Requires about 35.1g powder to provide 25g protein	Specialist option	Coach UK describes it as tasting like a proper chocolate milkshake rather than a protein supplement. Particularly good with milk, slightly thin with water.
4	Optimum Nutrition Gold Standard French Vanilla Creme.From £170.00 Pros +Whey concentrate supplies a complete essential-amino-acid profile +76g protein per 100g Cons −6.4% above the £3.53/100g average across 58 comparable /compare listings −Whey concentrate may not suit lactose-sensitive users	Specialist option	4.7 stars on 15,058 Amazon UK reviews and the vanilla benchmark for UK whey, the flavour buyers most often compare other vanillas to.
5	Optimum Nutrition Gold Standard Double Rich Chocolate.From £170.00 Pros +Whey concentrate supplies a complete essential-amino-acid profile +76g protein per 100g Cons −6.4% above the £3.53/100g average across 58 comparable /compare listings −Whey concentrate may not suit lactose-sensitive users	Specialist option	4.6 stars on 55,656 Amazon UK reviews. The industry default chocolate whey, not the most exciting option but reliably consistent.