Best Protein Powders October 2026
Compare the most popular protein powders to find the right formula, flavour, and tub size for your workout goals. This independent ranking helps you evaluate protein types, ingredients, and pack sizes at a glance. Find the ideal supplement to support your daily fitness routine.
Last updated: 1 October 2026
Optimum Nutrition Gold Standard 100% Whey 0.9kg climbed 1 position
Optimum Nutrition Gold Standard 100% Whey 2.27kg dropped 2 positions
Protein Powders: Top 5
1
Optimum Nutrition Gold Standard 100% Whey 0.9kg
from £38.284 stores
1
from £38.28
4 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
2
from £86.42
2 stores
4
Optimum Nutrition Gold Standard 100% Whey 2kg
from £85.995 stores
from £85.99
5 stores
5
Star Nutrition Whey 100 1kg
from £23.141 store
from £23.14
1 store
Optimum Nutrition Gold Standard 100% Whey in the 0.9 kg tub provides a premium whey blend of isolate, concentrate, and hydrolysed peptides. It is gluten-free and enriched with glutamine and essential minerals. The compact size makes it great for trying out new flavours before committing to a larger container.
Pros
Blend of isolate, concentrate, and hydrolysate
Gluten-free formula
Added glutamine and minerals
Wide variety of flavours
Cons
Small 0.9 kg tub runs out quickly
Contains artificial sweeteners
The 4.54 kg bulk pack of Optimum Nutrition Gold Standard 100% Whey is designed for dedicated athletes who consume shakes daily. It delivers the same blend of whey isolate, concentrate, and hydrolysed whey enriched with glutamine and minerals. Buying in bulk offers long-term convenience and reduces the need for regular reordering.
Pros
Bulk 4.54 kg size lowers cost per serving
Tri-blend of whey protein sources
Gluten-free formulation
Enriched with glutamine and minerals
Cons
Bulky bag takes up significant storage space
Higher upfront commitment to one flavour
The 2.27 kg tub of Optimum Nutrition Gold Standard 100% Whey is the brand's classic mid-sized offering for regular gym-goers. It features a fast-absorbing whey protein blend containing isolate, concentrate, and hydrolysate alongside glutamine. It dissolves easily in both milk and water while offering an extensive flavour lineup.
Pros
Balanced 2.27 kg size for regular training
Blend of isolate, concentrate, and hydrolysate
Gluten-free and includes glutamine
Broad selection of flavour options
Cons
Contains sucralose and acesulfame K
Larger footprint than starter tubs
This 2 kg version of Optimum Nutrition Gold Standard 100% Whey provides a dependable supply of quality whey protein for muscle recovery. It is available in staple flavours like chocolate, vanilla, and strawberry to suit everyday shakes and smoothies. It serves as an accessible mid-size option for consistent post-workout nutrition.
Pros
Convenient 2 kg format for daily use
Quality whey protein formula
Available in classic staple flavours
Cons
Fewer flavour varieties than the 2.27 kg tub
Similar size to the 2.27 kg tub with slightly less powder
Star Nutrition Whey 100 in a 1 kg bag combines whey isolate and concentrate to deliver rich protein with low lactose levels. It stands out with an extensive flavour catalogue featuring distinctive fruit blends alongside traditional dessert profiles. It also provides added glutamine to assist with recovery after demanding workouts.
Pros
Blend of whey isolate and concentrate
Unique flavours including fruit options
Low lactose content
Contains added glutamine
Cons
Sweetened with aspartame and sucrose
Taste reception varies across flavours
Compare specifications
| Protein Source | Whey | Whey | Whey | Whey | Whey |
|---|---|---|---|---|---|
| Flavour | Strawberry, Banana, Chocolate, Mint Chocolate, Raspberry, Natural, Vanilla, Fruit, Peanut, Hazelnut, Caramel sweet, White Chocolate, Coffee, Cinnamon, 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, Peanut, Hazelnut, Cream, Cake/Cake dough | Strawberry, Banana, Chocolate, Raspberry, Natural, Vanilla, Cola, Lemon/Lime, Pears, Peanut, Apple, Caramel sweet, Yoghurt, Coffee, Cream, Cake/Cake dough |
| Protein type | Isolat, Concentrate, Hydrolised | Isolat, Concentrate, Hydrolised | Isolat, Concentrate, Hydrolised | — | Isolat, Concentrate |
| Product weight | 0.9 kg | 4.54 kg | 2.27 kg | 2 kg | 1 kg |
| Price/kg | 0.9 | 4.54 | 2.27 | 2 | 1 |
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.
