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Marshmallow Crunch Protein Bar

20g high protein and no added sugar*
White chocolate and marshmallow flavour crispies for a satisfying crunch
Suitable for vegetarians

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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.

Nutritional information will be shown when a flavour and/or size is selected.

Overall Rating (4.9)

Verified purchase

Bought a number of these Bars. This one is my favourite but a country mile, don't get me wrong the otters are really good. Excellent Protein Bar. Will deffo purchase again

Verified purchase

Marshmallow bar is the nicest protein bar on the market. It has a good amount of protein and fibre. It's big enough to break in half. I eat one every day in the afternoon, it puts a hold on any cravings before dinner.

Verified purchase

The Marshmallow Crunch is well worth buying. It has a robust vanilla flavour, with some caramel. Its vanilla flavour is much better than many bars which claim to be vanilla flavoured. it's not unlike a white chocolate cookie, but has a better flavour than most other white chocolate protein bars. Texture: crunchy, but with a satisfying creamy fudge-like bite. Overall: very good indeed; a tastier option than most 'white chocolate' bars.

Verified purchase

VERY tasty and indulgent almost. Best protein bars I've tasted to date

Verified purchase

It is so great to find a protein bar which is vegetarian, but also delivers high protein and tastes great. So many protein bars are a bit claggy and heavy, but this is lovely and the crispiness helps lighten the texture. This is my go-to when I want to add extra protein to my day.