Science In Sport (SIS)

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  • NEW
    SIS Biotic Complex – 30 Capsules

    SIS Biotic Complex – 30 Capsules

    $52.95     Buy Now
  • NEW
    SIS Collagen Shot Apple – 12 x 60ml

    SIS Collagen Shot Apple – 12 x 60ml

    $94.95     Buy Now
  • NEW
    SIS REST+ Juice Berry – 10 x 55ml

    SIS REST+ Juice Berry – 10 x 55ml

    $49.95     Buy Now
  • NEW
    SIS GO Caffeine Shot Cola – 12 x 60ml

    SIS GO Caffeine Shot Cola – 12 x 60ml

    $79.95     Buy Now
  • NEW
    SIS Creatine Monohydrate 400g

    SIS Creatine Monohydrate 400g

    $61.95     Buy Now
  • NEW
    SIS Beta Fuel Energy Chew – 20 Pack

    SIS Beta Fuel Energy Chew – 20 Pack

    $149.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS GO Hydro Tablets – 8 Tubes x 20

    SIS GO Hydro Tablets – 8 Tubes x 20

    $134.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS Hydro+ Electrolyte Sachets

    SIS Hydro+ Electrolyte Sachets

    Price range: $21.95 through $69.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS REGO Whey Protein 1.35kg

    SIS REGO Whey Protein 1.35kg

    $143.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS REGO Rapid Recovery Powder

    SIS REGO Rapid Recovery Powder

    Price range: $47.95 through $119.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS Beta Recovery Powder

    SIS Beta Recovery Powder

    Price range: $51.95 through $129.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS GO Energy Powder 1.6kg

    SIS GO Energy Powder 1.6kg

    $84.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS Beta Fuel Energy Drink – 15 x 82g Sachets

    SIS Beta Fuel Energy Drink – 15 x 82g Sachets

    $104.95     Buy Now This product has multiple variants. The options may be chosen on the product page
  • NEW
    SIS Nitrate Shot – 12 x 60ml

    SIS Nitrate Shot – 12 x 60ml

    $159.95     Buy Now
  • NEW
    SIS GO Energy + Caffeine Gel – 30 Pack

    SIS GO Energy + Caffeine Gel – 30 Pack

    $136.32     Buy Now This product has multiple variants. The options may be chosen on the product page

Science in Sport (SiS) is built on research-backed sports nutrition. Its GO range is a go-to for riders who want reliable energy without gut discomfort. It’s developed with input from professional cycling teams. That means SiS products deliver carbohydrate efficiently, so you can keep pushing through long rides, intervals and race day efforts.

Our SiS range at Port Melbourne Cycles covers the training and racing essentials. GO Electrolyte Sports Fuel replaces the electrolytes and energy you lose through sweat. It’s ideal for hot rides and long endurance days. GO Energy Bake Bars offer a more substantial, real-food option for when you need sustained fuel between gels and drinks. They come in flavours like lemon, tiramisu and strawberry.

Getting your fuelling right can be the difference between finishing strong and hitting the wall. That goes for a weekend bunch ride, a gravel adventure or your next event. Shop the full SiS range online, or drop into Port Melbourne Cycles. Our team can help you build a fuelling plan that suits your riding.

Helpful guide: SIS Fuelling Guide: Carbs, Fluid and Salt for Your Next Ride or Event