Best Protein Powders November 2026
Compare the most popular protein powders side by side based on ingredients, protein types, and flavours. This independent guide helps you weigh the pros and cons of each option to find the best match for your fitness routine.
Last updated: 1 November 2026
The list is unchanged since the last update.
Protein Powders: Top 5
1
Optimum Nutrition Gold Standard 100% Whey 2kg
from £74.995 stores
from £74.99
5 stores
2
Optimum Nutrition Gold Standard 100% Whey 4.54kg
from £153.002 stores
from £153.00
2 stores
3
Optimum Nutrition Gold Standard 100% Whey 2.27kg
from £86.422 stores
from £86.42
2 stores
4
Dymatize ISO100 Hydrolyzed 2.2kg
from £87.663 stores
from £87.66
3 stores
5
Optimum Nutrition Gold Standard 100% Whey 0.9kg
from £39.154 stores
from £39.15
4 stores
Optimum Nutrition Gold Standard 100% Whey in the 2 kg tub provides a dependable whey formula for muscle recovery. It comes in classic flavours like Chocolate, Vanilla, and Banana. It is an ideal medium size for regular gym-goers.
£89.99
£74.99
£37.50/kg
In stock
Pros
Whey protein formula
Eight flavour options
Practical 2 kg tub size
Cons
Fewer flavours than 2.27 kg size
Not certified sugar-free
This 4.54 kg bulk tub of Optimum Nutrition Gold Standard combines whey isolate, concentrate, and hydrolysed whey. It includes added glutamine and is certified gluten-free. The extra-large size offers lasting supply for dedicated athletes.
Pros
Large 4.54 kg bulk size
Contains isolate and hydrolysed whey
Gluten-free certified
Enriched with glutamine
Cons
Large tub requires ample storage
Contains artificial sweeteners
The 2.27 kg tub of Optimum Nutrition Gold Standard 100% Whey features a blend of isolate, concentrate, and hydrolysed whey. It offers fifteen different flavour options to suit almost any taste preference. The formula is gluten-free and includes added glutamine.
Pros
Contains isolate and hydrolysed whey
Wide selection of 15 flavours
Gluten-free formula
Enriched with glutamine and minerals
Cons
Contains sweeteners E950 and sucralose
Contains whey concentrate
Dymatize ISO100 Hydrolyzed 2.2 kg delivers ultra-pure whey protein isolate and hydrolysed whey without added sugars. It is naturally and artificially sweetened with stevia and sucralose. This formula suits strict diets and post-workout recovery.
Pros
Pure isolate and hydrolysed whey
Sugar-free and gluten-free
Sweetened with stevia and sucralose
Added glutamine
Cons
Higher price tier
No whey concentrate included
Optimum Nutrition Gold Standard 100% Whey in a 0.9 kg tub is ideal for sampling flavours or taking on trips. It contains the same blend of whey isolate, concentrate, and hydrolysed whey as the larger tubs. It also features added glutamine and a gluten-free recipe.
£47.99
£53.32/kg
In stock
Applies until 31 Dec
£60.00
£54.00
£60.00/kg
In stock
Pros
Compact 0.9 kg container
16 diverse flavour options
Gluten-free certified
Isolate and hydrolysed whey blend
Cons
Requires frequent repurchasing
Contains sweeteners E950 and sucralose
Compare specifications
| Protein Source | Whey | Whey | Whey | Whey | Whey |
|---|---|---|---|---|---|
| Flavour | Strawberry, Banana, Chocolate, Vanilla, Peanut, Hazelnut, Cream, Cake/Cake dough | Strawberry, Banana, Chocolate, Mint Chocolate, Vanilla, Peanut, Hazelnut, White Chocolate, Coffee, Cinnamon, Cream, Cake/Cake dough | Strawberry, Banana, Chocolate, Mint Chocolate, Raspberry, Vanilla, Coconuts, Peanut, Hazelnut, Caramel sweet, White Chocolate, Coffee, Cinnamon, Cream, Cake/Cake dough | Strawberry, Banana, Chocolate, Vanilla, Coconuts, Peanut, Caramel sweet, Cream, Cake/Cake dough | Strawberry, Banana, Chocolate, Mint Chocolate, Raspberry, Natural, Vanilla, Fruit, Peanut, Hazelnut, Caramel sweet, White Chocolate, Coffee, Cinnamon, Cream, Cake/Cake dough |
| Protein type | — | Isolat, Concentrate, Hydrolised | Isolat, Concentrate, Hydrolised | Isolat, Hydrolised | Isolat, Concentrate, Hydrolised |
| Product weight | 2 kg | 4.54 kg | 2.27 kg | 2.2 kg | 0.9 kg |
| Price/kg | 2 | 4.54 | 2.27 | 2.2 | 0.9 |
How we create the list
The ranking is updated monthly and is based on data we collect from our own platform. Products that rank highly are popular among our users while also maintaining high quality according to editorial expert assessments. Specifically, we weigh how many users follow the product via price alerts or lists, how it is rated by experts and users, as well as how much traffic it generates to stores and how well it is represented in retail. The texts on this page are AI-generated and created to give you a quick and clear overview. No products are paid placements – the ranking is driven solely by data.
