The best ways to shop at SiS company

SIS is a global brand inspired by science and nutrition. When shopping at SIS, you’re never short of great deals on nutritional supplements and sporting essentials.Discover big discounts on sporting essentials, along with premium supplements to help you realise your health and fitness goals. With SiS discount codes, you can make your money stretch even further.

Our favourite saving hacks

  • Discount codes: Find great deals on gels, supplements and protein powders. Enjoy 40% off with SiS promo codes when buying Turbo+ products.

  • Coupons: Use SiS coupon codes when at the checkout to enjoy savings of up to 30% on supplements. You can also enjoy savings of 20% when buying energy bakes.

  • Free delivery: Save even more when you take advantage of free standard delivery on orders over £35.

SiS seasonal sale events to add to your calendar

SiS bank holiday sale: Make a saving of up to 30% on supplements.

SiS Hydration sale: Save a third on hydration tablets and supplements to give your fitness goals an essential boost during the summer.

Black Friday sale: Make significant savings during the last week of November, with Black Friday savings of up to 50%.

The best SiS discounts available and how to use them

Redeeming your discount codes

  • Go through our list of SiS codes on hydration products, supplements, and energy bars. Find the promo code that interests you and copy it to the clipboard

  • Visit the SiS website and go through all the products on sale. Select your desired supplements or any other products and add them to the shopping cart.

  • Click on checkout and on the space provided for a promotion code, paste the code you had copied.

  • Click apply and your totals will be recalculated.

    • Questions to ask if your SiS ode isn’t working.

    • Is the SiS discount code used still valid and not out of date?

    • How are SiS voucher codes used?

    • Is the SiS discount code selected applicable to only a particular bundle of goods?

    • Is the SiS voucher code entered correctly without any errors?

    • What kind of promo codes are available on the SiS shop?

    • Do all of the items on my shopping cart qualify for the SiS discount?

    How to find year-round discounts

    Throughout the year, we offer SiS discount codes as well as vouchers that help you save as you purchase supplements and energy bakes. Without relying on seasonal sales, there is a permanent sales area. There is an SiS clearance offer where you get a 70% off on protein powders and also 50% off on protein bars.

    Discounts for new customers

    SiS does not have discounts for new customers. However, new customers are advised to subscribe to the SiS newsletter when creating an account. This way, you’ll be the first to know about new discounts and deals.

    Discounts for students

    SiS offers discounts to students shopping for our sports items. Exclusive discounts of up to 40% are given on the purchase of nutritional products with us. However, for this discount to be activated, all students need to register through UNiDAYS.

    Subscribing to a newsletter

    When you subscribe to the newsletter, you’ll receive weekly updates from SiS. This way, you’ll know all about the latest product deals and any new promo codes. What’s more, you’ll find essential information about improving your health and fitness plans.

    Additional helpful information

    Returns

    Goods ordered from us can be returned once you are not satisfied with them. It is advisable to return them directly to our store. Items will only be accepted back in case they are still in their original packaging and have not been tampered with. Goods with broken seals are not accepted back. Once the items returned are accepted, a refund is made and can take several days.

    SiS next day delivery

    SiS customers can enjoy next day delivery. In order to access this service, you have to sign-up to SiS Premier and pay £3.99. This offer runs throughout the year on all your purchases. Make sure to save more using this affordable offer. When your items are once dispatched, we send an email to make sure you track your order.

    Price match policy

  • Price match is applicable where you find our SiS products cheaper elsewhere.

  • Ask for the price match policy before you make purchases.

  • The price match policy is also applicable to live and visible discounts.

  • A price match policy is also applicable on any online price with a voucher discount on the condition that it is clearly available to all customers.

    • How much can you usually save at SiS?

    These are the special features we noticed about the vouchers over the last year.

    You can look forward to this discount

    SiS will take up to 50% off the regular price when redeeming the right voucher.

    The more popular an offer is, the more tempting it may be for you. Many took advantage of the following promotion: "Great Savings: Free 30 Pack of Gels on Orders".

    Everyone saves on 99% of promotions

    You can be confident that the next discount code at SiS will offer the same savings for loyal customers as it does for new customers. Previously, almost all promo codes were valid for both groups of customers.

    This is the amazing choice you have

    Bargain hunting is a breeze at SiS. Overall, you had 51 opportunities to use a voucher. These were supplemented by 28 other special offers where the discount was automatically applied.

    In July alone there were eleven new vouchers

    Sometimes it pays to think ahead. Over the course of the year, it is apparent that July has more new vouchers to offer than any other month.

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