Optimum Nutrition review

Updated September 30, 2026 · ThriveCue Editorial Team · Facts checked September 30, 2026

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Our verdict

Optimum Nutrition suits buyers who want one store for protein, creatine and pre-workout rather than piecing a routine together brand by brand. Its Gold Standard whey protein starts at €17.99 and works out at €1.66 a serving, which keeps the cost side strong for regulars.

Key facts

Best for
One-brand protein, creatine and pre-workout buying with a per-serving cost you can check up front.
Price from
€17.99 (Source, checked September 30, 2026)
Price per serving
€1.66 (Source, checked September 30, 2026)
Protein per serving (g)
24 (Source, checked September 30, 2026)
Third-party tested
No (Source, checked September 30, 2026)
Certifications
Nsf (Source, checked September 30, 2026)
Flavours (flavours)
15 (Source, checked September 30, 2026)
Markets
AU, AT, BE, HR, DK, EE, FI, FR, DE, GR, IE, JP, LV, LT, MT, MC, NL, NZ, PT, SK, SI, KR, ES, SE, CH, GB, US (Source, checked September 30, 2026)
Legal entity
Glanbia Performance Nutrition Limited (Source, checked September 30, 2026)
Headquarters
Ireland (Source, checked September 30, 2026)
Founded
1986 (Source, checked September 30, 2026)
Support channels
Email, Chat, Phone, Help-centre (Source, checked September 30, 2026)
Products
Whey protein, Plant protein, Creatine, Pre workout, Electrolytes, Mass gainer, Protein bars
Official website
optimumnutrition.com

Supplements

Price from
€17.99 (Source, checked September 30, 2026)
Price per serving
€1.66 (Source, checked September 30, 2026)
Third-party tested
No (Source, checked September 30, 2026)
Certifications
Nsf (Source, checked September 30, 2026)
Money-back period
14 days (Source, checked September 30, 2026)
Markets
AU, AT, BE, HR, DK, EE, FI, FR, DE, GR, IE, JP, LV, LT, MT, MC, NL, NZ, PT, SK, SI, KR, ES, SE, CH, GB, US (Source, checked September 30, 2026)
Legal entity
Glanbia Performance Nutrition Limited (Source, checked September 30, 2026)
Headquarters
Ireland (Source, checked September 30, 2026)
Founded
1986 (Source, checked September 30, 2026)
Support channels
Email, Chat, Phone, Help-centre (Source, checked September 30, 2026)
Products
Whey protein, Plant protein, Creatine, Pre workout, Electrolytes, Mass gainer, Protein bars

Apps and profiles

Elsewhere
LinkedInXfacebook.com

Pros and cons

Pros

  • A serving of the Gold Standard whey protein delivers 24 g of protein for €1.66, a workable number for daily use.
  • The range covers whey protein, plant protein and creatine, so protein, creatine and pre-workout all come from one store.
  • Delivery reaches AU, AT and BE, and support runs on email, chat and phone.
  • A money-back window of 14 days sits behind a company trading as Glanbia Performance Nutrition Limited.

Cons

  • Third-party tested is listed as no, so the only named check on the range is nsf certification.
  • Per-serving cost ranks 22 of 46, mid-table rather than a standout among the brands compared.
  • The catalogue covers whey protein, plant protein and creatine and stops short of meal replacement, which Body Attack lists under whey protein, plant protein and creatine.
  • Support runs on email, chat and phone, with no community channel listed.

Ready to try Optimum Nutrition?

Scored 9.3 / 10 by ThriveCue.

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Who it suits

  • Buyers who want whey, plant protein, creatine and pre-workout under one roof: whey protein, plant protein and creatine.
  • Shoppers who prefer a named certification to an unstated one, since nsf is listed.
  • People who reorder often and weigh €1.66 a serving above the €17.99 entry price.

Who should look elsewhere

  • Plant-only buyers should look at HUM Nutrition, whose listed range is plant protein and creatine and leaves out whey.
  • Shoppers who want a performance-only shelf can compare Myvitamins, listed as whey protein, creatine and electrolytes with no plant protein or bars.
  • Anyone after meal replacement alongside protein should weigh Body Attack, whose list whey protein, plant protein and creatine adds that category.

Prices

Prices on the Gold Standard whey protein start at €17.99. That figure is the entry point for a single order, so it is the number that matters if you only want one tub to try. Once the powder is on your shelf, the running cost is the one that adds up, and the same product works out at €1.66 a serving. Keep the two apart. €17.99 is what you pay on the day; €1.66 is what you pay every time you mix a scoop. Readers judging a brand on the cost of a month of shakes should run the arithmetic on the per-serving figure, because a modest entry price on a small pack says little once the per-serving cost creeps up. For this range the two sit close together, so the entry figure is a fair guide to the ongoing spend. The plan name matters when you compare: this is a one-off product price rather than a commitment, and anyone budgeting a monthly habit should plan around the per-serving number and the size of pack they buy.

Core features

Each serving of the Gold Standard whey protein carries 24 g of protein, which is the figure most buyers check first. The powder is sold in 15 flavours, so taste counts as part of the offering rather than an afterthought, and a wider palette makes it easier to keep a favourite or two in rotation instead of forcing the same scoop every morning. The one mark against the range is testing: third-party tested is listed as no. That is a plain yes or no entry, and it is the point to weigh before you order, because anyone who relies only on independent batch checks should know which side of that line this brand sits on. Nothing else in the range changes the picture. The per-serving protein load sits in the middle of what the category offers, which is a sensible daily target rather than a headline number, and the flavour count gives room to change things up. So weigh the testing entry against the protein and flavour figures, and decide which matters more to your routine.

How it compares on our data

Across the brands compared here, Optimum Nutrition sits near the cheaper end on the entry price, at 14 of 66 for price from. The per-serving cost is less decisive, coming in at 22 of 46, which is mid-table rather than a standout. Protein per serving is the strongest line, at 20 of 43, so the money buys a solid serving size. Read together, the ranks say what the price points say: this range is priced to be bought in quantity, and the per-serving figure is where a shopper who compares closely should spend their attention. Someone buying a single tub for a trial should lean on the entry price, while someone mixing a shake most mornings should judge the range on the per-serving figure and on the protein load it delivers.

How Optimum Nutrition compares

Where Optimum Nutrition is available

Available
Australia, Austria, Belgium, Croatia, Denmark, Estonia, Finland, France, Germany, Greece, Ireland, Japan, Latvia, Lithuania, Malta, Monaco, Netherlands, New Zealand, Portugal, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, United Kingdom, United States

Countries from the brand (Source, checked September 30, 2026)

Frequently asked questions

How much does the Gold Standard whey protein cost?+

The Gold Standard whey protein starts at €17.99 for an order. Once you have it, the same powder works out at €1.66 a serving, and that is the figure that decides a monthly spend. Weigh the two together, because a modest entry price only pays off if the per-serving cost holds up over a month of daily shakes.

How much protein is in one serving?+

One serving of the Gold Standard whey protein supplies 24 g of protein. That is a mid-range load rather than the highest on the shelf, so chasing a bigger number per scoop would mean looking elsewhere. For most people it is enough to cover a daily target alongside ordinary meals.

Is it third-party tested?+

Third-party tested is listed as no for this brand, so the range does not carry independent batch testing. The quality mark named instead is nsf certification, which is a different kind of check. If independent batch verification matters to you, take that no at face value and weigh it before ordering.

Which countries can it ship to?+

The brand serves AU, AT and BE, a wide spread that covers most of Europe plus several markets beyond it. Its registered base is IE, so contracts and customer support are handled from there. Check the list against your own country before planning a reorder, since delivery reach is the part that changes most between regions.

What else does the brand sell besides protein?+

Beyond the whey and plant powders, the range covers whey protein, plant protein and creatine, so creatine, pre-workout, electrolytes, mass gainer and bars all come from the same company. Buying a whole routine in one place keeps delivery costs down and makes reorders simpler for anyone who trains more than once a day.

How do I reach support?+

Support runs on email, chat and phone, so you can pick email, chat, phone or the help centre depending on the problem. Chat and phone suit an order that needs sorting quickly, while the help centre covers product and delivery questions. The company operating the store is Glanbia Performance Nutrition Limited.

What if the product does not suit me?+

There is a money-back window of 14 days, which is the main safety net for a first tub. Treat it as a tasting period: mix it across the length of that window, and if the flavour or the texture is not for you, that is the moment to send it back rather than abandon the tub in the cupboard.

How long has the brand been trading?+

The company dates back to 1986, a long track record in sports nutrition, and it operates as Glanbia Performance Nutrition Limited. Trading for that length of time matters more for a brand you reorder monthly than for a one-off buy, because you are relying on the same labelling, warehouse and support desk to keep working order after order.

Sources

Compiled from 6 source pages, checked September 30, 2026. We did not open an account.

What changed

  • September 30, 2026: Price from was 19.99 EUR, now 17.99 EUR
  • September 30, 2026: Price per serving was 0.33 EUR, now 1.66 EUR
  • September 30, 2026: Products was multivitamins, electrolytes, collagen, now whey-protein, plant-protein, creatine, pre-workout, electrolytes, mass-gainer, protein-bars
  • September 30, 2026: availability allowed was DK, EE, FI, LV, SE, now AT, AU, BE, CH, DE, DK, EE, ES, FI, FR, GB, GR, HR, IE, JP, KR, LT, LV, MC, MT, NL, NZ, PT, SE, SI, SK, US
  • September 30, 2026: axisScores cost was 9.5, now 9.3
  • September 30, 2026: axisScores offer was 9.1, now 9.0
  • September 30, 2026: axisScores trust was 9.3, now 10.0
  • September 30, 2026: promotions now 15% off first order with newsletter signup

Optimum Nutrition

One-brand protein, creatine and pre-workout buying with a per-serving cost you can check up front.

9.3/10See alternatives

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