Optimum Nutrition Discount Codes & Deals for 2025

Click on the Optimum Nutrition voucher code of your choice from our deals page and press ‘Copy’.
The Optimum Nutrition homepage will open up in a new tab ready for you to start shopping online.
Browse online, shop through their collection of essential sports nutrition, and then add any items you wish to purchase to your online shopping bag.
Once you have finished shopping, click on the bag icon in the top right-hand corner to review your order.
On the right-hand side, click ‘Promo Code’, paste your code into the box and press ‘Apply’.
Your discount will be applied and your order total will be reduced.
You can then login to your account, or fill in your contact details to complete your purchase.
Congrats - You have secured your sports nutrition from Optimum Nutrition for less!

Optimum Nutrition has everything you need as an athlete and gym enthusiast. Whether you’re a beginner looking to get into shape, or you’re looking to improve your performance, Optimum Nutrition has a huge collection of supplements that guarantee results. Shop their range of protein, vitamins to assist your lifestyle, pre-workout solutions, weight gainers and so many more nutrition essentials. Whatever your goals, you’re sure to find solutions that enhance your fitness journey when shopping online at Optimum Nutrition.

We love how user-friendly the Optimum Nutrition website is, making it easy to find exactly what you’re looking for. Thanks to the categories available the site is easy to navigate and provides a hassle-free shopping experience. We love how easy it is to find the perfect nutrition for you, and that’s all thanks to the shop by goal category which finds all the essentials you need to assist you in achieving your fitness goal.

Optimum Nutrition frequently offers discount codes and special offers online, helping you pick up your nutrition must-haves for affordable prices. Whether you’re looking to save on protein shakes and powders, sports supplements or even accessories, NetVoucherCodes has you covered. Bag yourself a bargain with a Optimum Nutrition discount code, found here on our page.

Get 15% off First Orders

Sign up for the Optimum Nutrition newsletter, and not only will you receive 15% off your first order but you’ll also be kept up to date with all the latest news and deals available online. All you need to do is enter your email address and keep your eyes peeled for Optimum Nutrition in your inbox - it’s as easy as that!

Refer a Friend

Grab your friends and family and save together thanks to the friend referral program ^↗ available online at Optimum Nutrition. Invite your friends to shop online with your unique friend referral link, and once your friend spends over £50 online you’ll receive a £10 discount code which will help you save on your next order!

Enjoy Free Gifts

Optimum Nutrition operates a tiered gifting system, which allows you to earn better free gifts the more you spend online. The first free gift tier is available when you spend £55 online, allowing you to pick up free protein bars and energy drinks. Tier 2 gifts begin at £65 spent, with free water bottles and gym passes available. The more you spend online at Optimum Nutrition, the more you’re rewarded!

Get a Free Gym Pass

Complete an order of £70 or more and you’ll receive a free gym pass sent straight to your email. Select which gym you’d like to attend and strive towards your fitness goals with a helping hand from Optimum Nutrition.

Shop the Bundles

Save when you shop the collection of bundles ^↗ available online at Optimum Nutrition. Reach your potential for less and take advantage of fantastic savings on whey protein, protein bars, creatine, amino energy and so much more. From ultimate strength packs to muscle mass bundles, you’re sure to get all your essentials for less when you shop the bundles available online.

Elevate your performance and achieve your fitness goals when you shop the collection of essential nutrients and sports supplements available online at Optimum Nutrition. Recover in style and shop must-have protein powders, bars and shakes and build muscle your way when you shop the collection of protein online. Whether you’re looking to build muscle mass, looking for plant-based solutions or you’re looking to fuel an active lifestyle, you’re sure to elevate your performance with Optimum Nutrition.

Boost your energy levels and reduce muscle soreness and fatigue when you check out the energy essentials. From pre-workout to amino energy, you’re sure to power your way to achieve your full potential when you shop online at Optimum Nutrition. Save money when you take advantage of all the latest Optimum Nutrition discount codes, special offers and sales available here at NetVoucherCodes.