Optimum Nutrition Serious Mass Weight Gainer Muscle Mass Protein Shake 5.4Kg
Optimum Nutrition Serious Mass, Chocolate, 5450g
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 16 Apr 2026)
Based on a total of 124,426 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 124,426 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 Total Price
1-2 days
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£47.28
Free Delivery
Optimum Nutrition Serious Mass Weight Gainer Muscle Mass Protein Shake 5.4Kg
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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
£66.99
Free Delivery
Optimum Nutrition Serious Mass 5.4kg Weight Gainer Hi calories Mass Gainer Shake
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 Apr 2026)
Based on a total of 22,550 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 22,550 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
£66.99
Free Delivery
🤖 Ask ChatGPT
💡 Is it worth the price?
🔁 Better alternatives?
⭐ What do users say?
Optimum Nutrition Serious Mass, Chocolate, 5450g - Details
▶ Finding you the best price!
We have found 3 prices for Optimum Nutrition Serious Mass, Chocolate, 5450g. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Optimum Nutrition Serious Mass, Chocolate, 5450g - Price Information
- Cheapest price: £47.28
- The cheapest price is offered by onbuy.com. You can order the product there.
- The price range for the product Optimum Nutrition Serious Mass, Chocolate, 5450g is €£47.28to €£66.99 with a total of 3 offers.
- Payment methods: The online shop onbuy.com supports: PayPal, Visa, Mastercard
- Delivery: The shortest delivery time is 1-2 days working days offered by onbuy.com.
5 Variants from £45.74
£45.74
onbuy.com
Free Delivery
£59.89
Amazon-marketplace.co.uk
Delivery from £2.99
£54.75
onbuy.com
Free Delivery
£62.99
onbuy.com
Free Delivery
£55.00
onbuy.com
Free Delivery
Similar products
£45.74
onbuy.com
Free Delivery
£59.89
Amazon-marketplace.co.uk
Delivery from £2.99
£32.89
onbuy.com
Delivery from £18.00
£35.68
onbuy.com
Delivery from £2.99
£59.89
Amazon-marketplace.co.uk
Delivery from £2.99
Cheapest offer
Optimum Nutrition Serious Mass, Chocolate, 5450g
£47.28
1-2 days
onbuy.com
How well did the information meet your expectations and assist you further?
Not at all
Neutral
Very much
Your responses remain anonymous and are used solely to improve our website. No personal data will be stored or shared with third parties.
Don't forget your voucher code:
Report Illegal Concerns
You are about to report a violation based on the EU Digital Services Act (DSA).