Best Protein Shakes UK 2026

Updated October 2026 · 70 protein shakes ranked

We scored every ready-to-drink protein shake sold in the UK on one public formula — how much of its calories come from protein. Grab-and-go bottles and cartons, ranked on the same scale. Here are the most protein-efficient shakes in the fridge aisle.

Our top 3 picks

Glow Collagen Protein Shake (250ml) - 12 pack

For Goodness Shakes

100A

Protein: 11 g/100g
Calories: 60 kcal
kcal / 1 g: 5.5

50G Protein Shake (471ml) - 8 pack

For Goodness Shakes

100A

Protein: 11 g/100g
Calories: 66 kcal
kcal / 1 g: 6.2

For Goodness Shakes Protein Chocolate

For Goodness Shakes

100A

Protein: 11 g/100g
Calories: 66 kcal
kcal / 1 g: 6.2

Full ranking — top 10

#	Product	Protein /100g	Kcal /100g	Score	Grade
1	Glow Collagen Protein Shake (250ml) - 12 packFor Goodness Shakes	11g	60	100	100A
2	50G Protein Shake (471ml) - 8 packFor Goodness Shakes	11g	66	100	100A
3	For Goodness Shakes Protein ChocolateFor Goodness Shakes	11g	66	100	100A
4	35G Protein Shake (330ml) - 8 pack - StrawberryFor Goodness Shakes	11g	66	100	100A
5	For Goodness Shakes Protein Vanilla Shake 330mlFor Goodness Shakes	11g	65	100	100A
6	USN Trust 50 RTD ChocolateUSN	10g	59	100	100A
7	Premier Protein High Protein Shake Caramel 340mlPremier Protein	9g	49	100	100A
8	Premier Protein High Protein Shake Vanilla 340mlPremier Protein	9g	49	100	100A
9	Premier Protein High Protein Shake Chocolate 325mlPremier Protein	9g	49	100	100A
10	Premier Protein High Protein Shake Chocolate 340mlPremier Protein	9g	47	100	100A

Browse all 70 protein shakes →

How we rank

Every protein shake is scored 0–100 on the share of its calories that come from protein — the same public formula across the whole site. Rankings update automatically as new products are verified. Read the full methodology →

Frequently asked

What is the highest-protein protein shake in the UK?

By protein-per-calorie efficiency, the Glow Collagen Protein Shake (250ml) - 12 pack by For Goodness Shakes currently leads our ranking with a score of 100/100 (11g protein per 100g).

How do you rank the best protein shakes?

Every product is scored 0–100 on the share of its calories that come from protein — one public formula applied to the full UK nutrition label. No sponsored placements; the ranking recalculates automatically as new products are added.

How often is this ranking updated?

Automatically — every time a new protein shake is verified and added to the directory, the ranking recalculates. The date at the top of this page shows the last update.