Why is whey isolate usually more expensive?

Isolate is processed to increase protein concentration and reduce carbohydrate and fat, which usually raises the price.

Is isolate always better value?

Not always. Isolate can be better for macro targets, but concentrate often wins on pure cost per gram of protein.

•Compare all UK protein powder prices in one place•

Isolate is often priced above concentrate. Comparing by cost per 100g and protein density makes the real difference clear.

Live prices612 products13 retailersUpdated 21 Jul 2026

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