20% off £25

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Optimum Nutrition

84 items
Gold Standard 100% Whey Protein Double Rich Chocolate 899gGold Standard 100% Whey Protein Double Rich Chocolate 899gGold Standard 100% Whey Protein Double Rich Chocolate 899gGold Standard 100% Whey Protein Double Rich Chocolate 899gGold Standard 100% Whey Protein Double Rich Chocolate 899g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Double Rich Chocolate 899g
(512)
£36.00
£4.00/100 g
Micronised Creatine Monohydrate 317gMicronised Creatine Monohydrate 317gMicronised Creatine Monohydrate 317g
18+
Optimum Nutrition
Micronised Creatine Monohydrate 317g
(166)
£22.00
£6.94/100 g
Micronised Creatine Monohydrate 634gMicronised Creatine Monohydrate 634gMicronised Creatine Monohydrate 634g
18+
2 for £60 Mix & Match
Optimum Nutrition
Micronised Creatine Monohydrate 634g
(166)
£40.00
£6.31/100 g
Gold Standard 100% Whey Protein Strawberry 900gGold Standard 100% Whey Protein Strawberry 900gGold Standard 100% Whey Protein Strawberry 900gGold Standard 100% Whey Protein Strawberry 900gGold Standard 100% Whey Protein Strawberry 900g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Strawberry 900g
(331)
£36.00
£4.00/100 g
Gold Standard 100% Whey Protein Double Rich Chocolate 2.26kgGold Standard 100% Whey Protein Double Rich Chocolate 2.26kgGold Standard 100% Whey Protein Double Rich Chocolate 2.26kgGold Standard 100% Whey Protein Double Rich Chocolate 2.26kgGold Standard 100% Whey Protein Double Rich Chocolate 2.26kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Double Rich Chocolate 2.26kg
(512)
£65.00
£70.00
£2.88/100 g
Protein Hot Chocolate 350g
Optimum Nutrition
Protein Hot Chocolate 350g
(3)
£20.00
£5.71/100 g
New In
Gold Standard 100% Whey Protein Double Rich Chocolate 465gGold Standard 100% Whey Protein Double Rich Chocolate 465g
28% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Double Rich Chocolate 465g
(512)
£15.00
£21.00
£3.23/100 g
Gold Standard 100% Whey Protein Vanilla Ice Cream 450g
28% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Vanilla Ice Cream 450g
(547)
£15.00
£21.00
£3.33/100 g
Gold Standard 100% Whey Protein Vanilla Ice Cream 900gGold Standard 100% Whey Protein Vanilla Ice Cream 900gGold Standard 100% Whey Protein Vanilla Ice Cream 900gGold Standard 100% Whey Protein Vanilla Ice Cream 900gGold Standard 100% Whey Protein Vanilla Ice Cream 900g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Vanilla Ice Cream 900g
(547)
£36.00
£4.00/100 g
Serious Mass Chocolate 5.4kgSerious Mass Chocolate 5.4kgSerious Mass Chocolate 5.4kgSerious Mass Chocolate 5.4kg
18+
10% Off
Optimum Nutrition
Serious Mass Chocolate 5.4kg
(241)
£58.00
£65.00
£1.07/100 g
Serious Mass Strawberry 2.72kgSerious Mass Strawberry 2.72kgSerious Mass Strawberry 2.72kg
18+
2 for £60 Mix & Match
Optimum Nutrition
Serious Mass Strawberry 2.72kg
(139)
£40.00
£1.47/100 g
Gold Standard Pre Workout Fruit Punch 330gGold Standard Pre Workout Fruit Punch 330gGold Standard Pre Workout Fruit Punch 330g
33% Off
Optimum Nutrition
Gold Standard Pre Workout Fruit Punch 330g
(64)
£20.00
£30.00
£6.06/100 g
Gold Standard 100% Whey Protein Banana Cream 900gGold Standard 100% Whey Protein Banana Cream 900gGold Standard 100% Whey Protein Banana Cream 900gGold Standard 100% Whey Protein Banana Cream 900gGold Standard 100% Whey Protein Banana Cream 900g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Banana Cream 900g
(138)
£36.00
£4.00/100 g
Gold Standard 100% Whey Protein Chocolate Hazelnut 896gGold Standard 100% Whey Protein Chocolate Hazelnut 896gGold Standard 100% Whey Protein Chocolate Hazelnut 896gGold Standard 100% Whey Protein Chocolate Hazelnut 896gGold Standard 100% Whey Protein Chocolate Hazelnut 896g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Chocolate Hazelnut 896g
(114)
£36.00
£4.02/100 g
Gold Standard 100% Whey Protein Chocolate Peanut Butter 896gGold Standard 100% Whey Protein Chocolate Peanut Butter 896gGold Standard 100% Whey Protein Chocolate Peanut Butter 896gGold Standard 100% Whey Protein Chocolate Peanut Butter 896gGold Standard 100% Whey Protein Chocolate Peanut Butter 896g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Chocolate Peanut Butter 896g
(164)
£36.00
£4.02/100 g
Gold Standard 100% Whey Powder Vanilla Ice Cream 2.2kgGold Standard 100% Whey Powder Vanilla Ice Cream 2.2kgGold Standard 100% Whey Powder Vanilla Ice Cream 2.2kgGold Standard 100% Whey Powder Vanilla Ice Cream 2.2kgGold Standard 100% Whey Powder Vanilla Ice Cream 2.2kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Powder Vanilla Ice Cream 2.2kg
(547)
£65.00
£70.00
£2.95/100 g
Serious Mass Banana 2.72kgSerious Mass Banana 2.72kgSerious Mass Banana 2.72kg
18+
2 for £60 Mix & Match
Optimum Nutrition
Serious Mass Banana 2.72kg
(105)
£40.00
£1.47/100 g
Serious Mass Vanilla 5.4kgSerious Mass Vanilla 5.4kgSerious Mass Vanilla 5.4kgSerious Mass Vanilla 5.4kg
18+
10% Off
Optimum Nutrition
Serious Mass Vanilla 5.4kg
(155)
£58.00
£65.00
£1.07/100 g
Serious Mass Chocolate 2.7kgSerious Mass Chocolate 2.7kgSerious Mass Chocolate 2.7kg
18+
2 for £60 Mix & Match
Optimum Nutrition
Serious Mass Chocolate 2.7kg
(241)
£40.00
£1.48/100 g
Gold Standard 100% Whey Protein Strawberry 450gGold Standard 100% Whey Protein Strawberry 450g
28% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Strawberry 450g
(331)
£15.00
£21.00
£3.33/100 g
Gold Standard 100% Whey Powder Strawberry 2.28kgGold Standard 100% Whey Powder Strawberry 2.28kgGold Standard 100% Whey Powder Strawberry 2.28kgGold Standard 100% Whey Powder Strawberry 2.28kgGold Standard 100% Whey Powder Strawberry 2.28kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Powder Strawberry 2.28kg
(331)
£65.00
£70.00
£2.85/100 g
Shaker 600ml
Optimum Nutrition
Shaker 600ml
(66)
£5.00
£0.01/1 Bottle
Serious Mass Strawberry 5.4kgSerious Mass Strawberry 5.4kgSerious Mass Strawberry 5.4kgSerious Mass Strawberry 5.4kg
18+
10% Off
Optimum Nutrition
Serious Mass Strawberry 5.4kg
(139)
£58.00
£65.00
£1074.07/100 g
Gold Standard 100% Isolate Protein Chocolate 930gGold Standard 100% Isolate Protein Chocolate 930gGold Standard 100% Isolate Protein Chocolate 930g
Optimum Nutrition
Gold Standard 100% Isolate Protein Chocolate 930g
(26)
£50.00
£5.38/100 g
Gold Standard 100% Isolate Protein Vanilla 930gGold Standard 100% Isolate Protein Vanilla 930gGold Standard 100% Isolate Protein Vanilla 930g
Optimum Nutrition
Gold Standard 100% Isolate Protein Vanilla 930g
(20)
£50.00
£5.38/100 g
Gold Standard 100% Whey Protein Chocolate Hazelnut 2.27kgGold Standard 100% Whey Protein Chocolate Hazelnut 2.27kgGold Standard 100% Whey Protein Chocolate Hazelnut 2.27kgGold Standard 100% Whey Protein Chocolate Hazelnut 2.27kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Chocolate Hazelnut 2.27kg
(114)
£65.00
£70.00
£2.86/100 g
Chocolate Sweet Coconut Protein Bar 59g
Optimum Nutrition
Chocolate Sweet Coconut Protein Bar 59g
(13)
£2.75
£4.66/100 g
Nutty Chocolate Caramel Protein Bar 10x 70g
Optimum Nutrition
Nutty Chocolate Caramel Protein Bar 10x 70g
(6)
£19.00
£2.71/100 g
Chocolate Sea Salt Crunch Protein Bar 12x 55g
Optimum Nutrition
Chocolate Sea Salt Crunch Protein Bar 12x 55g
(3)
£21.00
£3.18/100 g
Chocolate Brownie Crunch Protein Bar 10x 65g
Optimum Nutrition
Chocolate Brownie Crunch Protein Bar 10x 65g
(8)
£19.00
£2.92/100 g
Chocolate Sweet Coconut Protein Bar 12x 59g
Optimum Nutrition
Chocolate Sweet Coconut Protein Bar 12x 59g
(13)
£21.00
£2.97/100 g
Gold Standard 100% Whey Protein Extreme Milk Chocolate 2.2kgGold Standard 100% Whey Protein Extreme Milk Chocolate 2.2kgGold Standard 100% Whey Protein Extreme Milk Chocolate 2.2kgGold Standard 100% Whey Protein Extreme Milk Chocolate 2.2kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Protein Extreme Milk Chocolate 2.2kg
(117)
£65.00
£70.00
£2.95/100 g
Serious Mass Vanilla 2.7kgSerious Mass Vanilla 2.7kgSerious Mass Vanilla 2.7kg
18+
2 for £60 Mix & Match
Optimum Nutrition
Serious Mass Vanilla 2.7kg
(155)
£40.00
£1.48/100 g
Gold Standard 100% Whey Protein Extreme Milk Chocolate 896gGold Standard 100% Whey Protein Extreme Milk Chocolate 896gGold Standard 100% Whey Protein Extreme Milk Chocolate 896gGold Standard 100% Whey Protein Extreme Milk Chocolate 896gGold Standard 100% Whey Protein Extreme Milk Chocolate 896g
2 for £50 Mix & Match
Optimum Nutrition
Gold Standard 100% Whey Protein Extreme Milk Chocolate 896g
(117)
£36.00
£4.02/100 g
Serious Mass Powder Banana 5.4kgSerious Mass Powder Banana 5.4kgSerious Mass Powder Banana 5.4kgSerious Mass Powder Banana 5.4kg
18+
10% Off
Optimum Nutrition
Serious Mass Powder Banana 5.4kg
(105)
£58.00
£65.00
£1.07/100 g
Gold Standard 100% Whey Powder French Vanilla Crème 2.28kgGold Standard 100% Whey Powder French Vanilla Crème 2.28kgGold Standard 100% Whey Powder French Vanilla Crème 2.28kgGold Standard 100% Whey Powder French Vanilla Crème 2.28kg
7% Off
Optimum Nutrition
Gold Standard 100% Whey Powder French Vanilla Crème 2.28kg
(106)
£65.00
£70.00
£2.85/100 g
1 - 36 of 84 products

At Holland & Barrett, we're committed to bringing you the best products to help you reach your health goals. That's why we stock a wide range of high-quality Optimum Nutrition (ON) products, designed to fuel your workouts, support muscle growth, and keep you energised throughout the day.

 

Optimum Nutrition (ON), a trusted brand within the Glanbia global nutrition group, has been setting the Gold Standard in sports nutrition for over 30 years. Since 1986, they've been dedicated to helping performance-focused athletes achieve their goals.

 

Optimum Nutrition stands out for its uncompromising approach to quality. They manufacture their products in state-of-the-art facilities around the world, including the UK. This allows them to meticulously control every step of the production process, ensuring the highest quality standards.

 

Trusted by Champions: Optimum Nutrition's commitment to quality makes them the preferred supplier to renowned sporting institutions like England Rugby, the English Institute of Sport, and leading rugby clubs.

 

We offer a variety of Optimum Nutrition products to support your fitness journey:

  • Optimum Nutrition Gold Standard Whey Protein: This top-selling protein powder is packed with 24 grams of protein per serving to help build and maintain muscle. Choose from a wide range of delicious flavours, including deep chocolate, mellow vanilla, cookies and cream, and peanut butter.
  • Optimum Nutrition Plant Protein: Looking for a vegan option? Optimum Nutrition offers a variety of plant-based protein powders in various flavours.
  • Optimum Nutrition Pre-Workout Powders: Get ready to crush your workouts with energizing pre-workout formulas designed to boost performance.
  • Optimum Nutrition Protein Bars: Convenient and delicious protein bars provide a satisfying protein snack on-the-go.
  • Optimum Nutrition Post-Workout Recovery: Refuel and rebuild after your workout with refreshing protein shakes or delicious protein bars.

 

Beyond protein powders, we also offer a range of Optimum Nutrition products to support your overall health and fitness goals:

  • Optimum Nutrition Micronized Creatine: Enhance your workouts and support muscle strength.
  • Optimum Nutrition Essential Amino Acids (BCAAs): Support muscle recovery and growth.
  • Optimum Nutrition Opti-Men: A multivitamin specifically formulated for active men.

 

Taste the difference in every bite, sip, or scoop. Feel the results. Choose Optimum Nutrition.

At Holland & Barrett, we're committed to bringing you the best products to help you reach your health goals. That's why we stock a wide range of high-quality Optimum Nutrition (ON) products, designed to fuel your workouts, support muscle growth, and keep you energised throughout the day.

 

Optimum Nutrition (ON), a trusted brand within the Glanbia global nutrition group, has been setting the Gold Standard in sports nutrition for over 30 years. Since 1986, they've been dedicated to helping performance-focused athletes achieve their goals.

 

Optimum Nutrition stands out for its uncompromising approach to quality. They manufacture their products in state-of-the-art facilities around the world, including the UK. This allows them to meticulously control every step of the production process, ensuring the highest quality standards.

 

Trusted by Champions: Optimum Nutrition's commitment to quality makes them the preferred supplier to renowned sporting institutions like England Rugby, the English Institute of Sport, and leading rugby clubs.

 

We offer a variety of Optimum Nutrition products to support your fitness journey:

  • Optimum Nutrition Gold Standard Whey Protein: This top-selling protein powder is packed with 24 grams of protein per serving to help build and maintain muscle. Choose from a wide range of delicious flavours, including deep chocolate, mellow vanilla, cookies and cream, and peanut butter.
  • Optimum Nutrition Plant Protein: Looking for a vegan option? Optimum Nutrition offers a variety of plant-based protein powders in various flavours.
  • Optimum Nutrition Pre-Workout Powders: Get ready to crush your workouts with energizing pre-workout formulas designed to boost performance.
  • Optimum Nutrition Protein Bars: Convenient and delicious protein bars provide a satisfying protein snack on-the-go.
  • Optimum Nutrition Post-Workout Recovery: Refuel and rebuild after your workout with refreshing protein shakes or delicious protein bars.

 

Beyond protein powders, we also offer a range of Optimum Nutrition products to support your overall health and fitness goals:

  • Optimum Nutrition Micronized Creatine: Enhance your workouts and support muscle strength.
  • Optimum Nutrition Essential Amino Acids (BCAAs): Support muscle recovery and growth.
  • Optimum Nutrition Opti-Men: A multivitamin specifically formulated for active men.

 

Taste the difference in every bite, sip, or scoop. Feel the results. Choose Optimum Nutrition.

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