Compared daily across 2 UK stores

Optimum Nutrition Protein Bar Marshmallow Crunch Flavour single serve 65g

65g · £42.31/kg

All 2 stores

• Ocado£2.75£42.31/kg-Visit →
• Sainsbury's£2.75£42.31/kg-Visit →

Across all stores in the last 60 days, the price ranged from £2.45 on 2 Sep 2026 to £2.95. Today's lowest price sits in the upper half of that range.

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