Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
Overall Rating: 2.4 / 5 (average from multiple review sources, as of 25 Mar 2026)
Based on a total of 46,726 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 46,726 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Cheapest Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£19.53
30.05 GBP/1.0 kg
Delivery from £4.49
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
Cheapest Total Price
In stock. Express Delivery available with Amazon Prime.
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£21.75
Free Delivery
Optimum Nutrition High Protein Bar | Healthy On The Go Snack | 10 x 65g
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Mar 2026)
Based on a total of 22,693 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,693 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 2 - 3 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£23.99
GBP 2.40 / Bar
Free Delivery
Marshmallow Crunch, Crispy Protein Bars, No Added Sugars, On the Go, Pre-Workout and Post-Workout Gym Snack for Men and
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 1 Apr 2026)
Based on a total of 123,828 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 123,828 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
2-3 days
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£24.99
Free Delivery
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£25.70
Free Delivery
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£25.88
Free Delivery
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£25.99
Free Delivery
ON Optimum Nutrition Protein Crunch Bar 10 x 65g High Protein Chocolate Bars Box
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 24 Mar 2026)
Based on a total of 22,693 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 22,693 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Will usually delivered within 3 - 4 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£25.99
GBP 25.99 / Unit
Free Delivery
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£25.99
Free Delivery
- 1
- 2
- next page
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g - Details
▶ Finding you the best price!
We have found 9 prices for Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g - Price Information
- Cheapest price: £19.53
- The cheapest price is offered by amazon.co.uk. You can order the product there.
- The price range for the product Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g is €£19.53to €£42.53 with a total of 9 offers.
- Payment methods: The online shop amazon.co.uk supports: Direct debit, Visa, Mastercard
- Delivery: The shortest delivery time is In stock. Express Delivery available with Amazon Prime. working days offered by amazon.co.uk.
2 Variants from £20.98
£20.98
onbuy.com
Delivery from £2.99
£25.98
39.97 GBP/1.0 kg
Amazon-marketplace.co.uk
Free Delivery
Similar products
£19.99
Amazon-marketplace.co.uk
Delivery from £2.99
Optimum Nutrition Marshmallow Protein Bar, 10 x 65 g
£37.00
onbuy.com
Free Delivery
£21.99
2.2 GBP/1.0 count
Amazon-marketplace.co.uk
Free Delivery
Optimum Nutrition Crisp Protein Bar Marshmallow 10 x 65g
£24.99
onbuy.com
Free Delivery
Cheapest offer
Experience the unique texture and great taste of Optimum Nutrition's protein bars to help support your nutritional goals ON protein bars are versatile protein snacks packed with 20 g of protein, helping you daily to stay on top of your fitness goals Sports nutrition protein bars with no added sugar* are great-tasting snack alternatives designed for active people and professional athletes Enjoy the crunch of Chocolate Brownie and Marshmallow Crunch bars, or indulge in the Nutty Chocolate Caramel, bursting with peanuts and raisins Protein snacks suitable for vegetarians, to be enjoyed on the go, as a post-workout and pre-workout snack, for both men and women *Contain naturally occurring sugars
£19.53
In stock. Express Delivery available with Amazon Prime.
amazon.co.uk
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).