Science in Sport (SiS)
Beta Fuel Gel, Go Gel and Energy Oat Bar: fill your jersey pockets for the next ride.
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Science in Sport (SiS)
Science in Sport, or SiS, is a British sports nutrition brand founded in Blackburn, England, in 1992 by sports science graduate Tim Lawson, who started out selling energy gels to his cycling friends. Today the brand supplies professional teams, including the INEOS cycling team, as well as many football clubs. According to SiS, every product it makes carries the Informed Sport logo.
At Tonic Food, you will find SiS in our Energy / Endurance, Drinks, Bars / Snacks, Post-Workout and Electrolytes sections: Beta Fuel Gel, Go Gel + Caffeine, Go Electrolyte Gel, Go Electrolyte powder, Go Hydro + Caffeine tablets, Energy Oat Bar and Go Energy Bake. A range designed for cyclists, runners and triathletes. Order online for dispatch within 24 hours, or ask for advice in our Dudelange and Howald shops.
Frequently asked questions
Where can I buy Science in Sport (SiS) in Luxembourg?
At Tonic Food: online at tonic.lu, shipped within 24 hours (working days) with free delivery from €25 in Luxembourg, or in our shops in Howald (4 rue des Scillas) and Dudelange (37 avenue Grande-Duchesse Charlotte).
What are the best-selling Science in Sport (SiS) products at Tonic Food?
Right now: Go Isotonic Gel, Go Hydro Tablets and Go Electrolyte Gel.
Can I see Science in Sport (SiS) products in your shops?
Yes, our Howald and Dudelange shops carry a selection of Science in Sport (SiS). For a specific product or flavour, please call before you come: Howald (+352) 26 19 64 72, Dudelange (+352) 26 52 38 32.
Do you deliver Science in Sport (SiS) to Belgium, France and Germany?
Yes: €7.50 to Belgium and France, €10.90 to Germany, with free delivery from €40 in all three countries.
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