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Optimum Nutrition Marshmallow Crunch Protein Bar 65g

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Regular price €2.75
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Fuel up with Optimum Nutrition’s Marshmallow Crunch protein bar

As the World’s #1 sport nutrition brand, we’re obsessed with quality and know how important it is to fuel your body with the best. We also believe taste shouldn’t be compromised. For over 35 years we have created products that deliver on both! This bar contains 20g of high-quality protein and each bite packed with layers of white chocolate and marshmallow flavour crispies, with no added sugar*.

Whether you’re a gym enthusiast or just looking for a tasty snack, unlock more with Optimum Nutrition protein bars.

*contains naturally occurring sugars.

World’s #1 Sport Nutrition Brand Source: Euromonitor International Limited; Consumer Health 2023 edition
Sports Nutrition Category, % retail value share, 2022 data.


  • 20g high protein and no added sugar*

  • White chocolate and marshmallow flavour crispies for a satisfying crunch

  • Suitable for vegetarians

Grab one of these high-protein snacks any time of day, whether you’re at the gym, in the car, or at your desk.


Nationwide; €4.95 or Free Delivery on orders over €38

Northern Ireland; €4.95 or Free Delivery on orders over €38

United Kingdom; €10 (up to 3kg)

International; €20 (up to 3kg)

Click & Collect; Free (ID Required)

All orders shipped in 1-5 business days. International shipping could take up to 10 business days.