Just bought the new clear protein (incentivised by the free creatine). Good change from whey with a nice clean taste. Originally looking to buy Gold Standard but at nearly £100 a tub that was a no go.... See more
Company replied
While we don't verify specific claims because reviewers' opinions are their own, we may label reviews as "Verified" when we can confirm a business interaction took place. Read more
To protect platform integrity, every review on our platform—verified or not—is screened by our 24/7 automated software. This technology is designed to identify and remove content that breaches our guidelines, including reviews that are not based on a genuine experience. We recognise we may not catch everything, and you can flag anything you think we may have missed. Read more
Created with AI, based on recent reviews
Optimum Nutrition. Setting the Gold Standard in Sports Nutrition. For more than 35 years, Optimum Nutrition has been dedicated to providing athletes, fitness enthusiasts, and active individuals with the highest quality sports nutrition products in the world. Recognised globally as The World’s #1 Sports Nutrition Brand, Optimum Nutrition is trusted by millions of customers who strive every day to achieve their health and fitness goals. Our philosophy is simple: quality you can trust, products you can rely on, and results that help you perform at your best. From our state-of-the-art production facilities, we control every stage of the manufacturing process — from sourcing premium raw ingredients to rigorous quality testing — ensuring that every product meets our uncompromising standards. Best known for Gold Standard 100% Whey, the world’s best-selling whey protein powder, we also offer a wide range of products to support performance, recovery, endurance, and everyday wellbeing. Whether it’s protein powders, pre-workouts, creatine, or vitamins and minerals, each supplement is formulated with science, innovation, and the needs of active people at the forefront. At Optimum Nutrition, we are proud to support both professional athletes and everyday consumers. Our mission is to empower everyone to unlock their potential through safe, effective, and great-tasting nutrition. We continually invest in research, education, and innovation to ensure we remain at the forefront of sports nutrition. When you choose Optimum Nutrition, you choose the Gold Standard in quality, trust, and performance.
No recent history of asking for reviews
This company hasn't invited customers recently, so reviews may not be representative
Replied to 90% of negative reviews
Typically replies within 2 weeks
How this company uses Trustpilot
See how their reviews and ratings are sourced, scored, and moderated.
Super fast delivery, next day now! Products are great, lots of choices and flavours to choose from. From a leading nutrition and performance brand, I wouldn’t expect anything else, that’s why I don’t go anywhere else. Been using their products for years and have always got great results with superior recovery. Would definitely recommend if your health, wellbeing, body and recovery are your goals.
I’ve been using this product for years but first time I’ve ordered direct from the manufacturer.
I am so impressed. The price was great. Next day delivery was fantastic with an hour allotted delivery slot, super impressive.
Best bang for buck protein and creatine on the market. Always tastes and mixes well.
Platinum range is fantastic.
I use products from this company for a while now and it has never failed the expectations. High quality products delivering a great result if combined with consistent and disciplined training.
Definitely would recommend to anyone who values quality and wants to achieve great results !!!
I bought the 4.5kg of whey protein so I can have it for a long time, and although the protein itself is of great quality (absolutely the best), the packaging just doesn't seal properly.
I tried it in all possible ways, but it's just faulty and will not stick no matter what. It's a pity, because now I have to use other ways to close it and it's definitely not air-tight. You should review your production line because something is not working well.

Reply from Optimum Nutrition UK
My order hasn't arrived, I ordered it a week ago!

Reply from Optimum Nutrition UK
The product was recommended for its benefits and effectiveness but I have to say why on earth do they need to put an electric blue colouring in it? Adding silly colourings for no benefit? Don’t think I can use it as it contains this which I had no idea about when I purchased.

Reply from Optimum Nutrition UK
Second time buying from Optimum Nutrition. Easy ordering from website, fast delivery, quality product.
Easy to navigate, lots of products to chose from, speedy delivery,
Ordered Optimum Nutrition on the evening of Friday 23 January and was really impressed with the speed — shipped on Monday and delivered on Tuesday.
The tub arrived completely sealed and intact, with a great expiry date (almost 2 years). I ordered the Extreme Milk Chocolate flavour: there’s a very slight sweetener taste, but nothing overpowering, and the overall chocolate flavour is actually really good. Mixes well and goes down easily.
Very happy with both the product and the service — would definitely order again.
Loved the Different flavours option and specially the quantity Options .
Recommend 👍
My order, which was scheduled for delivery on Thursday, 22/01/2026, has still not reached me. I would like to highlight the issues I have faced so far:
Thursday:
I was informed that the courier could not deliver my order as “no one was present.” This is incorrect. I live in a student accommodation with a 24/7 reception, and no delivery attempt was made. I also did not receive any call from the delivery agent. I was then notified that my parcel had been redirected to a collection point nearly 50 minutes away from my address. After calling customer support, I was told the parcel would be redelivered on Monday.
Monday:
I waited for the parcel, but instead received another notification asking me to collect it. When I contacted customer support, the call was disconnected after a long wait. I called again, and after another delay I was informed that the delivery driver had not picked up my parcel for redelivery on Monday. I was assured the matter would be escalated and the parcel would arrive on Tuesday (27/01/2026). However, today I received the same collection email once again after which i called the courier again and they said the goods are now being returned to sender.
I tried Optimum nutritions help desk number but the automated voice told me that they have suspended calls and i should email them. I have sent but 2 emails and i have not gotten any response on their end whatsoever.
This experience has caused significant inconvenience and highlights major issues with communication, delivery accuracy, and customer support. I request that this matter be investigated urgently and that my parcel be delivered to my address as originally scheduled.

Reply from Optimum Nutrition UK
nice product of a good quality, far too expensive for what it is though and alternatives are about of similar quality for a lower cost.
Always arrives quickly. Large selection of quality supplements.
Parcel still in Birmingham. Have asked for a refund for a week. Customer service now just ignoring me. Don’t want the product anymore. Shocking service.

Reply from Optimum Nutrition UK
Anyone can write a Trustpilot review. People who write reviews have ownership to edit or delete them at any time, and they’ll be displayed as long as an account is active.
We use dedicated people and clever technology to safeguard our platform. Find out how we combat fake reviews.
Learn about Trustpilot’s review process.
Here are 8 tips for writing great reviews.
Verification can help ensure real people are writing the reviews you read on Trustpilot.
Offering incentives for reviews or asking for them selectively can bias the TrustScore, which goes against our guidelines.