text.skipToContent text.skipToNavigation
Free gift for orders over £40
International deliveries over +30 countries worldwide (areas affected by COVID may result in delays).
Free standard delivery from £35 orders
Receive up to £25 off* | Code: MOREFIT
Free gift and free delivery from £40

Optimum Protein Bar

Optimum Nutrition
  • 20g of protein per bar
  • Great as part of a high-protein diet or on-the-go protein boost
  • Protein supports the growth and maintenance of muscle
From £23.95

Product Overview

High Protein High Protein
Low sugar Low sugar

Delicious high-protein, premium snack bar

Looking for a premium high-protein bar which tastes great to support your training goals and help the growth and maintenance of muscle? The Optimum Protein bar is high in protein but tastes delicious – a soft whipped base, topped with layers of caramel crispies and covered in real dark Belgian chocolate! Providing 20g of high-quality protein, the Optimum Protein Bar only contains sugars from natural sources (no added sugar) and is suitable for vegetarians.

High-quality alternative to a protein shake!

High in fibre and low in sugar to help support the growth and maintenance of muscle, these great-tasting bars are available in three appetising flavours, including favourites like Rocky Road and Chocolate Peanut Butter.


  • 20g of protein per bar
  • Great as part of a high-protein diet or on-the-go protein boost
  • Protein supports the growth and maintenance of muscle
  • High in fibre, no added sugar
  • Great taste and soft whipped base and texture

Suggested Use

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

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

Customer Reviews

Overall Rating (4.3)
Write your review here. For complaints and questions we would like to refer you to our customer service.
Please enter a headline
Please enter a comment
Please enter a rating

Super delicious

Review by shruti on Apr 23, 2021
one of the best protein bars ever. have stopped buying anything else (inc chocolate bars) after trying these

tested very good !

Review by Malaz on Feb 22, 2021
tested very good

Optimum nutrition

Review by Marius on Oct 23, 2020
Really tasty and very easy to eat, not gummy. By the way really good snack on the way!

Free sample goes Brrrrr

Review by Nico on Aug 25, 2020
OK taste but made me fart almost immediately. Your mileage may vary.


Review by Alili on Feb 26, 2021
Super bonne macro et peu de sucre
Translate review into English

Test very good

Review by Mo on Dec 16, 2020
tested very good , i would order again 👍
Translate review into English

Barre délicieuse. je vous la conseille.

Review by ELMEHDI on Nov 5, 2020
Barre délicieuse. je vous la conseille.
Translate review into English

Wir essen sie gerne

Review by Sonja on Aug 27, 2020
Uns schmecken OPTIMUM PROTEIN BAR sehr gut und bei der Mix Box kann man auch nichts falsch machen. Top
Translate review into English

Lekker en voedzaam

Review by Dominick on Aug 26, 2020
Lekkere reep met genoeg voedingswaarde. Niet te zwaar om erna vrij snel nog te kunnnen inspanningen doen!
Translate review into English

Beaucoup de protéines

Review by Charlène P. on Aug 24, 2020
Barre proteinée assez bonne mais peut être pas assez gourmand pour moi. Je voulais tenter les barres car j'aime beaucoup leur protéines en poudre.
Translate review into English