Can I get free delivery at Optimum Nutrition?

Yes, shoppers can enjoy free Standard UK delivery on orders over £50.00 at Optimum Nutrition. For orders under this amount, shipping will come with a £3.99 charge.

What other delivery options are available?

Alongside Standard UK delivery, customers can select Express UK delivery for £9.99 should they wish to receive their goods sooner. Orders should arrive within 1-2 working days when selecting this option.

What is the Optimum nutrition returns policy?

You’ll have 14 days to return your products from the date of delivery. Supplements and food products should be returned unopened and clothing items should be returned with their tags still attached. To start the returns process, you’ll need to email their customer service team.

How do I contact Optimum Nutrition?

The best way to get in touch with the Optimum Nutrition customer service team is by calling them on 0800 0728 451. You can also send an email to customersupport@optimumnutrition.com or complete their online contact form.

Can I refer a friend to Optimum Nutrition?

Yes, you can! By referring a friend to Optimum Nutrition, you’ll get a £10.00 discount to spend on your next shop.

Optimum Nutrition Discount Codes for June 2025

Enjoy 20% off selected orders by entering this Optimum Nutrition promo code

Ends: Tue, 24 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 24 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

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Get 15% off creatine orders when using this Optimum Nutrition promo code

Ends: Fri, 13 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 13 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

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Get a free Creatine gift with orders over £80 by entering this Optimum Nutrition discount code

Ends: Wed, 18 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 18 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Get a free creatine on orders over £80 by using this Optimum Nutrition promo code

Ends: Sun, 15 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 15 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Enjoy a free amino energy on orders over £70 by entering this Optimum Nutrition promo code

Ends: Mon, 23 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 23 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

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Enjoy a free limited edition shaker on orders over £70 by entering this Optimum Nutrition promo code

Ends: Wed, 18 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 18 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Enjoy a free shaker on orders over £50 by entering this Optimum Nutrition promo code

Ends: Sun, 15 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 15 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

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Enjoy £7 off Gold Standard whey protein orders by entering this Optimum Nutrition discount code

Ends: Thu, 12 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 12 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Save £10 on 2.27kg Gold Standard 100% whey protein when using this Optimum Nutrition promo code

Ends: Mon, 16 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 16 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Buy 2 get 1 Amino energy electrolyte stick pack free by entering this Optimum Nutrition discount code

Ends: Fri, 13 Jun, 2025

View Terms & Conditions▼

This promotion is: (i) only valid on the retailer's website; (ii) subject to availability; (iii) must be used before the expiration date; (iv) cannot be used in conjunction with other offers, promotions or discounts unless stated otherwise; (v) may not apply to taxes or any other fees; and (vi) not transferable or redeemable for cash or credit. Further important things to note about this promotion: The end date of this offer is 13 Jun 2025 23:59 Some products may be excluded. There may be exclusions based on location. The price and discount displayed were correct at the time of publication. The retailer can change, pause or end this promotion at any time without notice. By using this promotion, you acknowledge that you have read and understood the above terms and conditions. For further details, please check the retailer's website.

Get Code

Save 15% on your first order when you join the newsletter at Optimum Nutrition

Ends: Wed, 31 Dec, 2025

View Terms & Conditions▼

Exclusions may apply.

Get Discount

Get £10 off for both you and a friend with the referral scheme at Optimum Nutrition

Ends: Tue, 18 Nov, 2025

View Terms & Conditions▼

Exclusions may apply.

Get Discount

Get free delivery on orders over £50 at Optimum Nutrition

Ends: Tue, 23 Sept, 2025

View Terms & Conditions▼

Exclusions may apply.

Get Discount

Save up to 50% on bundles at Optimum Nutrition

Ends: Tue, 17 Jun, 2025

View Terms & Conditions▼

Exclusions may apply.

Get Discount

Enjoy up to 50% off protein in the sale at Optimum Nutrition

Ends: Tue, 24 Jun, 2025

View Terms & Conditions▼

Exclusions may apply.

Get Discount

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FAQs
Delivery & Return FAQs
Other FAQs
Our Optimum Nutrition Money-Saving Tips
How to Use Your Optimum Nutrition Discount Code
How do we source discount codes?
What if my discount code doesn't work?
How we make money

By Jack Cunningham

last updated 12 June 2025

in Vouchers

FAQs

Delivery & Return FAQs

Based in London, our Commercial team is a key part of everything we do. They know the industry, and they work tirelessly to build relationships with big-name retailers in order to secure exclusive offers and rewards that are then passed on to our customers. They keep their ear to the ground for any upcoming offers and sale events too, meaning we’re always ahead of the game when it comes to updating our website.

They work in tandem with our Deal Experts, who can be found at our Cardiff office. These deal-finding wizards scour the web for all of the best discounts and promotions around, before loading them onto our website for customers to enjoy. They also work closely with affiliate networks that keep us informed of the latest offers for the retailers they represent. Our dedicated retailer pages are updated at least twice a week, meaning you can be confident that the voucher codes you’re seeing are up-to-date and valid.

On our retailer pages, you’ll notice in-depth information about the brand and researched hints and tips on how to save money when shopping online. This is where our Category Editors come in - they know a thing or two when it comes to savvy shopping. From technology, health & beauty and fashion to food & drink, home & garden and travel, they keep all pages up to date with content that is designed to make your shopping experience that little bit easier and to help you save money in the process. For more information on the MyVoucherCodes team and the company as a whole, be sure to check out our About Us page.

Hi, I’m Jack; a Senior SEO Copywriter on the vouchers team at Future PLC. Since joining in 2022, I’ve been crafting my money-saving skills in several areas, including tech, entertainment, sports, fitness, home and travel. You’ll usually find me here at MyVoucherCodes; updating users with money-saving hints, tips, discounts, and offers for hundreds of popular retailers. I can also be found on one of our other sites, TechRadar.

A former sports journalist and content creator, I decided to swap the press box for a permanent desk several years ago. Despite giving match reports the red card, I still enjoy attending live sporting events and I like to wind down by playing video games, visiting new places, and getting my head stuck into a good book.

Optimum Nutrition is a sports nutrition brand that provides high-quality products at affordable prices. Founded in 1986, they’ve since grown in popularity and can now be found in multiple retail stores and gyms nationwide.They specialise in protein shakes and muscle gainers and also have plenty of other products on offer such as vitamins, fitness accessories and gym clothing. Each product goes through extensive testing and is manufactured to the highest possible standards.