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Free delivery over £45 Order by 4pm, sent today 60-day returns, opened or not

The cheapest tub is not the cheapest protein.

Every whey protein we stock, ranked by what it costs per 100 g rather than per tub. Change the quantity and the order changes, because bulk terms are not the same at every brand.

Category

How many you buy

Bar length is cost per unit. Shorter is cheaper.

Prices shown are what you pay. We do not run a higher list price to discount from, and the bulk price applies at the basket with no code.

See all 1,448 products

Optimum Nutrition

Gold Standard 100% Whey, 2.27 kg

Double rich chocolate

Informed Choice

£2.42/100g

£54.99 a pack, £0.77 a serving

Unit price at 1, 3 or 6

1
£2.42/100g
3
£2.11/100g
6
£1.85/100g

340 in stock

4.8 out of 5, 2,914 reviews

Bulk

Creatine monohydrate, 500 g

Unflavoured, micronised

Informed Sport

£3.00/100g

£14.99 a pack, £0.15 a serving

Unit price at 1, 3 or 6

1
£3.00/100g
3
£2.70/100g
6
£2.46/100g

1,240 in stock

4.9 out of 5, 1,877 reviews

Applied Nutrition

ABE pre-workout, 315 g

Blue raspberry

Informed Sport

£7.93/100g

£24.99 a pack, £0.83 a serving

Unit price at 1, 3 or 6

1
£7.93/100g
3
£7.14/100g
6
£6.50/100g

86 in stock

4.7 out of 5, 1,203 reviews

Myprotein

Impact whey protein, 2.5 kg

Vanilla

£1.80/100g

£44.99 a pack, £0.45 a serving

Unit price at 1, 3 or 6

1
£1.80/100g
3
£1.72/100g
6
£1.66/100g

512 in stock

4.6 out of 5, 5,402 reviews

Open it, try it, send it back within 60 days

A pre-workout takes a fortnight to judge. Every other UK supplement shop gives you 14 to 30 days and only takes it back sealed, which makes their policy useless for the thing returns exist for.

Window
60 days
Opened
Fine
Return postage
We pay it
Reason needed
None