
Subscriptions
Introducing our brand new subscription service offering up to 25% off our key products to help you fuel, hydrate and recover. Designed to fit around your training. Decide how frequently you want to receive your favourite products and trust us to do the rest.
+ get free delivery from your second purchase.
+ earn loyalty points on all orders.
Find out more about SiS Subscriptions here.
- Mixed GO Isotonic Energy Gels - 20 PackSave 15%Special Price £26.78 Was £31.50
- Protein Bar - Cookies & Cream (12 pack)Save 15%Special Price £28.04 Was £32.99
- Protein Bar - Dark Chocolate Raspberry (12 pack)Save 15%Special Price £28.04 Was £32.99
- Protein Bar - White Chocolate Fudge (12 pack)Save 15%Special Price £28.04 Was £32.99
- Protein Bar - Milk Chocolate Peanut Butter (12 pack)Save 15%Special Price £28.04 Was £32.99
- GO Energy + Caffeine Gel - 30 Pack - Double EspressoSave 40%Special Price £33.60 Was £56.00
- GO Energy + Caffeine Gel - 30 Pack - BerrySave 40%Special Price £33.60 Was £56.00
- SiS GO Isotonic Energy Gel - 30 Pack - Lemon & LimeSave 15%Special Price £34.00 Was £40.00
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