(Chocolate Peanut Butter, 5.44kg) Optimum Nutrition Serious Mass
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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
£59.99
11.01 GBP/1.0 kg
Delivery from £2.99
Optimum Nutrition Serious Mass Weight Gain Support Chocolate Peanut Butter Powder Flavour - 5.45kg
Overall Rating: 4.7 / 5 (average from multiple review sources, as of 1 Mar 2026)
Based on a total of 4,393 customer reviews from independent review platforms.
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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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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 4,393 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
1-3 days
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£52.99
Free Delivery
Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg
Overall Rating: 4.3 / 5 (average from multiple review sources, as of 14 Mar 2026)
Based on a total of 22,374 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 22,374 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.
1-3 working days
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£58.00
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
In stock
Direct debit
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£59.99
11.01 GBP/1.0 kg
Delivery from £2.99
Optimum Nutrition Serious Mass Weight Gainer Muscle Mass Protein Shake 5.4Kg
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 9 Mar 2026)
Based on a total of 22,600 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 22,600 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 - 2 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
In stock
Direct debit
Direct debit
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 9 Mar 2026)
Based on a total of 22,600 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 22,600 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 - 2 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£66.99
Free Delivery
Optimum Nutrition Serious Mass Chocolate Peanut Butter - 5.45kg
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 9 Mar 2026)
Based on a total of 22,600 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 22,600 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 - 2 working days of receiving cleared payment.
PayPal
PayPal
Visa
Visa
Mastercard
Mastercard
£70.48
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
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£72.99
Delivery from £11.00
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
In stock
Direct debit
Direct debit
Visa
Visa
Mastercard
Mastercard
£74.20
Free Delivery
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Optimum Nutrition Serious Mass Weight Gain Support Chocolate Peanut Butter Powder Flavour - 5.45kg - Details
▶ Finding you the best price!
We have found 9 prices for Optimum Nutrition Serious Mass Weight Gain Support Chocolate Peanut Butter Powder Flavour - 5.45kg. Our price list is completely transparent with the cheapest listed first. Additional delivery costs may apply.
Optimum Nutrition Serious Mass Weight Gain Support Chocolate Peanut Butter Powder Flavour - 5.45kg - Price Information
- Cheapest price: £52.99
- The cheapest price is offered by joybuy.co.uk. You can order the product there.
- The price range for the product Optimum Nutrition Serious Mass Weight Gain Support Chocolate Peanut Butter Powder Flavour - 5.45kg is €£52.99to €£96.40 with a total of 9 offers.
- Payment methods: The online shop joybuy.co.uk supports: Direct debit, Payment by invoice, PayPal, DIRECTebanking, Visa, Mastercard
- Delivery: The shortest delivery time is 1-3 days working days offered by joybuy.co.uk.
5 Variants from £43.60
£49.40
9.06 GBP/1.0 kg
amazon.co.uk
Free Delivery
£43.60
8.0 GBP/1.0 kg
amazon.co.uk
Free Delivery
£58.00
hollandandbarrett.com
Free Delivery
£46.93
8.61 GBP/1.0 kg
amazon.co.uk
Free Delivery
£57.00
hollandandbarrett.com
Free Delivery
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Cheapest offer
Optimum Nutrition Serious Mass 5.45kg (Chocolate Peanut Butter) is a high-calorie mass gainer providing 1262 kcal, 50g protein, 248g carbs, 3g creatine, and 25 vitamins/minerals per serving, supporting weight gain and muscle growth for hardgainers with a delicious flavor, ideal for post-workout or meal supplementation.
£52.99
1-3 days
joybuy.co.uk
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