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Optimum Nutrition

Review rating Review rating Review rating Review rating Review rating 4.3

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Products of the Optimum Nutrition range from £7.99 to £66.5, and the average price of all the products is about £32.15. So your total expense can vary depending on the products chosen, which allows you to choose products according to your budget.

Optimum Nutrition offers 129 products for sale, giving you more than enough choices but not too much to dazzle you. We analyzed some of them in detail and recommended them to our readers. If you find yourself hesitating about a purchase, check out our thorough Optimum Nutrition review to see what the best picks are.

Optimum Nutrition Best Sellers

Last Updated: 14 Jun 2023

Optimum Nutrition Gold Standard Whey Protein, Muscle Building Powder With Naturally Occurring Glutamine and Amino Acids, Vanilla Ice Cream, 30 Servings, 900g, Packaging May Vary

Optimum Nutrition is the world's #1 selling sports protein powder brand for over 20 years, catering to those looking for support before, during and/or after their workout
PACKAGING MAY VARY: New look, with the same trusted Quality!
LOW IN SUGAR and fat
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps build muscle, and helps support recovery
Contains naturally-occurring BCAAs and GLUTAMINE
Available in a VARIETY OF FLAVOURS
*Source: Euromonitor International Limited; Consumer Health 2021 edition, Sports Protein Powder category, % retail value shares, 2020 data

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Chocolate, 8 Servings, 2.73kg, Packaging May Vary

Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
PACKAGING MAY VARY: New look, with the same trusted Quality!
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body's glycogen stores
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH

Optimum Nutrition 100% Gold Standard Casein, Casein Protein Powder for Muscle Building and Mass Gain, Supreme Chocolate Flavor, 28 Servings, 0.92 kg, Packaging May Vary

Refreshed formula FORTIFIED with zinc and magnesium
PACKAGING MAY VARY: New look, with the same trusted Quality
Contains 10 g of naturally occurring essential amino acids in each serving, in addition to low fat content and NO ADDED SUGARS
A SLOW-DIGESTING PROTEIN shake provides a prolonged source of protein for the growth and maintenance of muscle mass*
A PROTEIN RESOURCE for athletes that play a range of competitive sports
24 g of premium micellar casein protein per serving for an impactful SUPPLY OF AMINO ACIDS OVERNIGHT
*Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012

Optimum Nutrition Micronised Creatine Powder, Creatine Monohydrate Powder for Performance, Unflavoured, 186 Servings, 634 g, Packaging May Vary

Micronised Creatine Powder from Optimum Nutrition (ON), which has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition products
PACKAGING MAY VARY: New look, with the same trusted Quality
Unflavoured, perfect for stacking. Mixes easily and unlike many other creatine powders, it has no gritty taste or texture
Increases physical performance in successive bursts of short-term, high-intensity exercise*
Designed as a pre-workout and post-workout supplement. Perfect before and after CrossFit workout, swimming, jogging, fitness and many others. Ideal supplement for both amateurs and professionals
100 Percent pure creatine monohydrate powder for extra performance support*. 3 g of creatine per each serving
*Creatine increases physical performance in successive bursts of short-term, high-intensity exercise. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

Optimum Nutrition Gold Standard Pre Workout Powder, Energy Drink with Creatine Monohydrate, Beta Alanine, Caffeine and Vitamin B Complex, Fruit Punch, 30 Servings, 330g, Packaging May Vary

An ‘INFORMED CHOICE – Banned Substance Tested' ready-to-mix pre-workout powder catering to strength athletes, team sports athletes, endurance athletes, gym goers, and multi-faceted athletes
PACKAGING MAY VARY: New pack, same number of servings
Vitamins B6, B12 contribute to the REDUCTION OF TIREDNESS and FATIGUE*
OPTIMUM NUTRITION 4 Waterside, Kingswood Ave, Citywest Business Campus, Dublin 24, Ireland Glanbia Nutritionals UK Ltd:One Victoria Square Birmingham
Creatine Monohydrate increases physical PERFORMANCE*
*Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012 **Source (2): EFSA Journal 2011;9(4):2054 24

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Vanilla, 8 Servings, 2.73kg, Packaging May Vary

Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
PACKAGING MAY VARY: New look, with the same trusted Quality!
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body's glycogen stores
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH

Optimum Nutrition Gold Standard BCAA, Amino Acid Powder, Vitamin C with Zinc, Magnesium and Electrolytes, Immune Booster, Raspberry and Pomegranate, 28 Servings, 266 g, Packaging May Vary

An Optimum Nutrition MUSCLE SUPPORT and FATIGUE REDUCTION easy-to-mix formula that provides a delicious and refreshing supplement drink perfect for heavy-duty workouts
PACKAGING MAY VARY: New pack, same number of servings
Vitamin C gives a helping hand to your IMMUNE SYSTEM* while you push yourself towards optimum fitness goals
A composition of vitamin C, zinc and magnesium, that is designed to REDUCE FATIGUE and TIREDNESS* so you can train for longer
5 g of BCAAs in each serving provides a 2:1:1 ratio of amino acids
374 mg of ELECTROLYTES and 200mg of RHODIOLA in each serving
*Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

Optimum Nutrition ON Gold Standard 100% Isolate Whey Protein, High Protein Powder with Naturally Occurring BCAAs and Glutamine for Muscle Growth and Support, Vanilla, 31 Servings, 930 g

Ultra-filtered for exceptional purity – excess fat and carbs are removed during a series of sophisticated separation processes
Gold Standard whey protein powder from Optimum Nutrition contains both: whey protein isolate and its hydrolysed form
Pre-workout and post-workout; excellent for both men and women
Low sugar (0.3 g), low fat (0.4 g) and 83% of pure protein per serving for lean muscle development
Excellent source of protein. Contributes to a growth in muscle mass and the maintenance of muscle mass and normal bones*
Available in three delicious flavours: vanilla, chocolate and strawberry
5.5 g of naturally occurring essential amino acids, BCAAs, per serving
*Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

Optimum Nutrition Micronised Creatine Powder, Creatine Monohydrate Powder for Performance, Unflavoured, 93 Servings, 317 g, Packaging May Vary

Micronised Creatine Powder from Optimum Nutrition (ON), which has been trusted to provide the highest quality in post-workout recovery, pre-workout energy, and on-the-go sports nutrition products
PACKAGING MAY VARY: New look, with the same trusted Quality
Unflavoured, perfect for stacking. Mixes easily and unlike many other creatine powders, it has no gritty taste or texture
Increases physical performance in successive bursts of short-term, high-intensity exercise*
Designed as a pre-workout and post-workout supplement. Perfect before and after CrossFit workout, swimming, jogging, fitness and many others. Ideal supplement for both amateurs and professionals
100 Percent pure creatine monohydrate powder for extra performance support*. 3 g of creatine per each serving
*Creatine increases physical performance in successive bursts of short-term, high-intensity exercise. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012

Optimum Nutrition Gold Standard Pre Workout Powder, Energy Drink with Creatine Monohydrate, Beta Alanine, Caffeine and Vitamin B Complex, Blue Raspberry, 30 Servings, 330 g, Packaging May Vary

An ‘INFORMED CHOICE – Banned Substance Tested' ready-to-mix pre-workout powder catering to strength athletes, team sports athletes, endurance athletes, gym goers, and multi-faceted athletes
PACKAGING MAY VARY: New pack, same number of servings
Vitamins B6, B12 contribute to the REDUCTION OF TIREDNESS and FATIGUE
Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012 **Source (2): EFSA Journal 2011;9(4):2054 24
Naturally-sourced caffeine helps SHARPEN YOUR ALERTNESS AND FOCUS** while helping your body train at the highest level
Creatine Monohydrate increases physical PERFORMANCE

Optimum Nutrition ON High Protein Shake Bottles, Ready To Drink Snack, Low Fat and No Added Sugar, White Chocolate, 10 Shakes, 10x500ml

25 g of protein per 330 ml shake, low fat, no added sugars. Contains naturally-occurring sugars
Delicious high protein shakes ready to drink from Optimum Nutrition
Convenient packaging for travel and work
Can be consumed at any time during the day as a protein snack
Available in three tasty flavours: vanilla, strawberry, chocolate

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Strawberry, 8 Servings, 2.73kg, Packaging May Vary

Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
PACKAGING MAY VARY: New look, with the same trusted Quality!
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body's glycogen stores
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH

Optimum Nutrition Opti-Men Multivitamin Supplements for Men with Vitamin D, Vitamin C, Vitamin A and Amino Acids, 60 Servings, 180 Capsules

38 active ingredients, including Vitamin C and magnesium, which both contribute to energy-yielding metabolism*
Perfect blend of essential vitamins, minerals, amino acids and botanicals for a much-needed nutritional boost
Zinc supports the normal functioning of the immune system* for men leading a fast-paced lifestyle
Easy consumption; take three tablets daily with food for the best results
1,000 mg of four amino acids – L-leucine, L-isoleucine, L-valine, and L-glutamine in a 2:1:1:1 ratio
*Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012

Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, Extreme Milk Chocolate, 71 Servings, 2.27kg, Packaging May Vary

Optimum Nutrition is the world's #1 selling sports protein powder brand for over 20 years, catering to those looking for support before, during and/or after their workout
PACKAGING MAY VARY: New look, with the same trusted Quality!
LOW IN SUGAR and fat
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps build muscle, and helps support recovery
Contains naturally-occurring BCAAs and GLUTAMINE
Available in a VARIETY OF FLAVOURS
*Source: Euromonitor International Limited; Consumer Health 2021 edition, Sports Protein Powder category, % retail value shares, 2020 data

Optimum Nutrition Opti-Women Multivitamin Supplement Capsules with Key Vitamins and Minerals for Women, 60 Servings, 120 Capsules

A perfect blend of botanicals and other gender-focused elements
Meticulously formulated with a mix of 23 vitamins and essential minerals that provide the perfect multivitamin supplement for women
Convenient and easy; take just two capsules daily with food for the best results
Contains 150 mg of calcium that contributes to the normal muscle function* and 75 mg of magnesium that contributes to energy-yielding metabolism*
12 mg of zinc facilitates the normal immune system function* for women with a busy lifestyle
*Source: Official Journal of the European Union - COMMISSION REGULATION (EU) No 432/2012

Optimum Nutrition ON Shaker with Stainless Steel Mixing Ball, BPA- and DEHP-free, Dishwasher Safe, Black, 600 ml

Provides a generous 600ml capacity, an ideal portion size for protein shakes and pre-workout powders, from Gold Standard Whey to Amino Energy
ON Protein Bottle Shaker from Optimum Nutrition, a company providing athletes with sports nutrition products and quality gym accessories for more than 35 years
Innovative screw-top lid creates a leak-proof seal, and flip cap snaps securely to keep your liquid contained
Dishwasher safe, BPA- and DEHP-free; available in the sophisticated Jet Black shade with the white Optimum Nutrition logo
Bottle shaker complete with stainless steel mixing ball, to effortlessly blend your choice of protein powder and deliver consistently great taste with no lumps

Optimum Nutrition Gold Standard Whey Muscle Building and Recovery Protein Powder With Naturally Occurring Glutamine and Amino Acids, Double Rich Chocolate, 73 Servings, 2.26kg, Packaging May Vary

Optimum Nutrition is the world's #1 selling sports protein powder brand for over 20 years, catering to those looking for support before, during and/or after their workout
PACKAGING MAY VARY: New look, with the same trusted Quality!
LOW IN SUGAR and fat
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps build muscle, and helps support recovery
Contains naturally-occurring BCAAs and GLUTAMINE
Available in a VARIETY OF FLAVOURS
*Source: Euromonitor International Limited; Consumer Health 2021 edition, Sports Protein Powder category, % retail value shares, 2020 data

Optimum Nutrition Gold Standard Pre-Workout Shot, Food Supplement with Beta Alanine, Caffeine and Vitamin B6 and B12, Mixed Berry, 12-Pack, 12 x 60 ml

175 mg of caffeine to help sharpen your alertness and focus**
Gold Standard Pre-workout Energy Shot* from Optimum Nutrition (ON), which has been setting the Gold Standard in sports nutrition for more than 30 years now
Enriched with vitamins B6 and B12 and herb extracts (sage leaf and nettle root)
Convenient, ready-to-drink. No shaker required
250 mg of PerforMelon Boost, a watermelon extract. Extra 1.5 g of beta alanine (non-essential amino acid)
*Vitamins B6 and B16 contribute to normal energy-yielding metabolism and reduction of tiredness and fatigue. Source: COMMISSION REGULATION (EU) No 432/2012 of 16 May 2012. **Source: EFSA Journal 2011;9(4):2054 24

Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine Monohydrate and Glutamine, Vanilla, 16 Servings, 5.45kg, Packaging May Vary

Mass gainer with whopping 1250 CALORIES and 50g of PROTEIN per serving. Contains less than 5g fat!
PACKAGING MAY VARY: New look, with the same trusted Quality!
Provides calories, ENCOURAGING WEIGHT GAIN and refuels body's glycogen stores
PROUDLY CONTAINS NO ADDED SUGAR! Boasts 24 vitamins and minerals per serving
GREAT VALUE FOR MONEY. Serious Mass protein powder delivers a high-calorie content and quality protein at competitive rates
Comes as an instantised powder. Mix with fruit or nut butters for a tasty and calorific post-workout drink or take between meals to ENCOURAGE MUSCLE GROWTH

Optimum Nutrition Gold Standard Whey Protein, Muscle Building Powder With Naturally Occurring Glutamine and Amino Acids, Double Rich Chocolate, 15 Servings, 465g, Packaging May Vary

Optimum Nutrition is the world's #1 selling sports protein powder brand for over 20 years, catering to those looking for support before, during and/or after their workout
PACKAGING MAY VARY: New look, with the same trusted Quality!
LOW IN SUGAR and fat
FAST-ABSORBING whey protein with whey protein isolate as the main ingredient helps build muscle, and helps support recovery
Contains naturally-occurring BCAAs and GLUTAMINE
Available in a VARIETY OF FLAVOURS
*Source: Euromonitor International Limited; Consumer Health 2021 edition, Sports Protein Powder category, % retail value shares, 2020 data

Optimum Nutrition FAQs

We did a questionnaire online and hundreds of customers participated in this survey, the consumers rated the products in terms of quality, user experience and other aspects. The results of the questionnaire demonstrate how much customers appreciate their products. It's safe to say that most customers are overwhelmingly satisfied with their purchases and Optimum Nutrition is worth your consideration.

Most of the Optimum Nutrition products are produced by OPTIG, Glanbia Performance Nutrition, and TROFP. The manufacturer provides Optimum Nutrition with a steady supply of products, and they have a good cooperative relationship with each other.