Optimum Nutrition Serious Mass 5 kg Peanut Butter Chocolate
Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 22,692 customer reviews from independent review platforms.
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Based on a total of 22,692 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.
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Cheapest Total Price
1-3 working days
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£58.00
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(Chocolate Peanut Butter, 5.44kg) Optimum Nutrition Serious Mass
Overall Rating: 4.4 / 5 (average from multiple review sources, as of 31 May 2026)
Based on a total of 127,620 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 127,620 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
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£60.85
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Optimum Nutrition Serious Mass 5 kg Peanut Butter Chocolate
Overall Rating: 3.4 / 5 (average from multiple review sources, as of 31 May 2026)
Based on a total of 25,696 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 25,696 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.
2-6 working days
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£62.96
Delivery from £7.99
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 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 252 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.
In stock
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£66.99
12.29 GBP/1.0 kg
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 23 May 2026)
Based on a total of 23,617 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 23,617 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 1 working day of receiving cleared payment.
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£66.99
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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 23 May 2026)
Based on a total of 23,617 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 23,617 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 - 4 working days of receiving cleared payment.
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£66.99
Free Delivery
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 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 252 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.
In stock
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£72.99
Delivery from £21.00
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Chocolate Peanut Butter, 16 Servings, 5.45 kg, Packaging May Vary
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 28 May 2026)
Based on a total of 252 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 252 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.
In stock
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Mastercard
£74.39
Free Delivery
Optimum Nutrition Serious Mass Weight Muscle Gain Calorie Rich Protein - 5.45kg
Overall Rating: 4.2 / 5 (average from multiple review sources, as of 1 Jun 2026)
Based on a total of 56,287 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 56,287 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.
in stock
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£89.00
Free Delivery
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Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg - Details
▶ Finding you the best price!
We have found 9 prices for Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg - Price Information
- Cheapest price: £58.00
- The cheapest price is offered by hollandandbarrett.com. You can order the product there.
- The price range for the product Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg is €£58.00to €£96.67 with a total of 9 offers.
- Payment methods: The online shop hollandandbarrett.com supports: PayPal, Visa, Mastercard
- Delivery: The shortest delivery time is 1-3 working days working days offered by hollandandbarrett.com.
5 Variants from £50.00
£50.00
ebay.co.uk
Free Delivery
£58.00
10.64 GBP/1.0 kg
amazon.co.uk
Free Delivery
£58.00
hollandandbarrett.com
Free Delivery
£50.87
ebay.co.uk
Free Delivery
£58.00
hollandandbarrett.com
Free Delivery
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carethy.co.uk
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£50.00
ebay.co.uk
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£58.54
10.74 GBP/1.0 kg
amazon.co.uk
Free Delivery
£58.00
10.64 GBP/1.0 kg
amazon.co.uk
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carethy.co.uk
Delivery from £6.99
Cheapest offer
Serious weight gain requires serious calories. Optimum Nutrition Serious Mass is the ultimate weight gain formula. For muscle building and weight gain More than 1260 kcal per serving to help boost your calorie intake 50g protein per serving 25 vitamins supplements Those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, Serious Mass is the ultimate in weight gain formulas. With over 1,250 calories per serving to boost daily calorie intake, 50g high protein to support muscle growth and repair, over 250g carbohydrates, and now with 3g of added creatine per serving to support performance, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious - SERIOUS MASS. Use anytime, it is quick, convenient and easy to prepare. Serious Mass is ideal between meals, after weight training as part of your recovery routine and before bed. Just mix two scoops of Serious Mass (330g) with 710ml of wate
£58.00
1-3 working days
hollandandbarrett.com
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