Subscribe & SaveSubscribe & Save

Why Subscribe?

  • At the click of a button choose which of your favourite SiS products you want to receive.
  • Tailor your subscription to your training schedule or race calendar by setting the frequency of the delivery.
  • Take a break from your subscription at anytime up to 24 hours before your next occurrence.
  • Plus, when you subscribe, you’ll save 25% on every order and get free delivery from your second purchase.
  • + Earn loyalty points on all orders.




  1. GO Isotonic Energy Gel
    GO Isotonic Energy Gel Subscribe: Up to 25% off
    From £10.50
  2. GO Energy + Caffeine Gels
    GO Energy + Caffeine Gels Subscribe: Up to 25% off
    From £13.50
  3. GO Energy + Electrolyte Gels
    GO Energy + Electrolyte Gels Subscribe: Up to 25% off
    Out of stock
  4. PROTEIN20 Bar - 12 pack
    PROTEIN20 Bar - 12 pack Subscribe: Up to 25% off
    From £32.99

Sign up for the SiS Subscription service today and join the ranks of elite athletes who trust us to fuel their success.




Can I cancel my subscription?

Of course! You can cancel, pause or amend your subscription at any time. This can be done by logging in to your account and checking out the subscription tab. Alternatively, our customer service team are always on hand to help. Any changes made 24 hours before your next order will be applied to your following order.

Can I change/amend my order? Is there a deadline to makes changes?

You can make changes to your order up to 24 hours before dispatch. Don't worry you will receive a reminder via email!

What happens if my payment fails, is my subscription cancelled?

We will have 3 attempts for a subcription order to work through the system. If your order is to fail for any reason, our customer service team will reach out directly to help resolve any issues.

Can I skip a delivery?

The subscription is completely flexible to suit you, you can skip, pause and/or cancel your subscription 48 hours before your next one is dispatched!

Can I add promotional offers to my order? (codes)

Promotional codes arent' applicable with subscription orders. Why? We apply 25% off RRP to all subscription orders, to ensure they are the best possible value

How will I be charged for my order? 

Orders will be billed via direct debit at the intervals set by you. The payment method used for your first order will be used for subsequent orders. Unless of course you wish to change this. This can be done via your account of via the customer service team

How often will I receive my order?

You can choose how often you would like to receive your order during checkout; starting at monthly frequency. This can also be changed to suit your training schedule

My order arrived damaged/items missing - what do I do?

If there are any issues with your order, please get in touch with our Customer Support team, via Live Chat, WhatsApp or email and they will be able to help out.

I haven't received my order - what do I do?

If you haven't received your order, please get in touch with our Customer Support team, via Live Chat, WhatsApp or email and they will be able to help out.

Will I be charged for delivery?

You will receive free standard delivery on subsequent orders, regardless of basket value.

Can I use my loyalty points?

Loyalty points can be redeemed on the first order, but they cannot be used on subsequent orders.

Read more in our Terms & Conditions



Monday - Friday: 8:00 - 20:00 (GMT)

Saturday & Sunday: 8:00 - 12:00 (GMT)