SIS

SIS, or Science in Sport, is a leading nutrition company specializing in sports performance and endurance products. With a commitment to scientific research and innovation, SIS provides athletes with cutting-edge nutrition solutions to optimize their training and competition. From energy gels and hydration tablets to recovery drinks and protein bars, SIS offers a comprehensive range of products designed to fuel performance and enhance recovery. Trusted by elite athletes and recreational enthusiasts alike, SIS continues to push the boundaries of sports nutrition, helping athletes of all levels achieve their goals and reach peak performance.
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  • SIS GO Energy Mini Bar - Red Berry
    Sale

    SIS GO Energy Mini Bar - Red Berry

    Science in Sport - SIS

    SIS GO Energy Mini Bar - Red Berry
    $2.89 $2.99
  • sis-go-energy-bake-lemon
    Sale

    SIS GO Energy Bake - Lemon (Single Bar)

    Science in Sport - SIS

    SIS GO Energy Bake - Lemon (Single Bar)
    $4.39 $4.99
  • sis-rego-rapid-recovery-vanilla-1-5kg-resealable-pouch_7128ef4b-280b-4090-ad34-28828fafb26d
    Sale

    SIS REGO Rapid Recovery - Vanilla - 1.5kg Resealable Pouch

    Science in Sport - SIS

    SIS REGO Rapid Recovery - Vanilla - 1.5kg Resealable Pouch
    $99.49 $119.95
  • SIS REGO Rapid Recovery - Chocolate - 1.5kg Resealable Pouch
    Sale

    SIS REGO Rapid Recovery - Chocolate - 1.5kg Resealable Pouch

    Science in Sport - SIS

    SIS REGO Rapid Recovery - Chocolate - 1.5kg Resealable Pouch
    $99.49 $119.95
  • SIS REGO Rapid Recovery - Strawberry - 1.5kg Resealable Pouch
    Sale

    SIS REGO Rapid Recovery - Strawberry - 1.5kg Resealable Pouch

    Science in Sport - SIS

    SIS REGO Rapid Recovery - Strawberry - 1.5kg Resealable Pouch
    $99.49 $119.95
  • SIS Immune Tablets - Orange
    Sale

    SIS Immune Tablets - Orange

    Science in Sport - SIS

    SIS Immune Tablets - Orange
    $14.89 $14.99
  • sis-go-energy-orange-1-6kg-tub
    Sale

    SIS GO Energy - Orange - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Energy - Orange - 1.6kg Tub
    $69.49 $84.95
  • sis-go-electrolyte-sports-fuel-lemon-lime-500g-tub
    Sale

    SIS GO Electrolyte Sports Fuel - Lemon & Lime - 500g Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Lemon & Lime - 500g Tub
    $29.89 $35.95
  • sis-go-energy-blackcurrant-1-6kg-tub
    Sale

    SIS GO Energy - Blackcurrant - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Energy - Blackcurrant - 1.6kg Tub
    $69.49 $84.95
  • sis-go-electrolyte-sports-fuel-orange-500g-tub
    Sale

    SIS GO Electrolyte Sports Fuel - Orange - 500g Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Orange - 500g Tub
    $29.89 $35.95
  • sis-go-electrolyte-sports-fuel-blackcurrant-500g-tub
    Sale

    SIS GO Electrolyte Sports Fuel - Blackcurrant - 500g Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Blackcurrant - 500g Tub
    $29.89 $35.95
  • sis-go-isotonic-gel-variety-pack
    Sale

    SIS GO Isotonic Gel Variety Pack

    Science in Sport - SIS

    SIS GO Isotonic Gel Variety Pack
    $24.89 $27.23
  • sis-bottle-550ml-clear
    Sale

    SIS Bottle 550ml - Clear

    Science in Sport - SIS

    SIS Bottle 550ml - Clear
    $10.99 $11.95
  • sis-go-energy-lemon-1-6kg-tub
    Sale

    SIS GO Energy - Lemon - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Energy - Lemon - 1.6kg Tub
    $69.49 $84.95
  • sis-go-energy-mini-bar-apple-blackcurrant

    SIS Go Energy Mini Bar - Apple & Blackcurrant (Single Serving)

    Science in Sport - SIS

    SIS Go Energy Mini Bar - Apple & Blackcurrant (Single Serving)
    $3.00
  • sis-go-plus-isotonic-energy-gels-lemon-lime-single
    Sale

    SIS Go Plus Isotonic Energy Gels - Lemon & Lime

    Science in Sport - SIS

    SIS Go Plus Isotonic Energy Gels - Lemon & Lime
    $2.99 $3.99
  • sis-go-plus-caffeine-gels-berry-single
    Sale

    SIS Go Plus Caffeine Gels - Berry

    Science in Sport - SIS

    SIS Go Plus Caffeine Gels - Berry
    $3.89 $3.99
  • sis-go-hydro-tablets-grapefruit-single
    Sale

    SIS Go Hydro Tablets - Pink Grapefruit

    Science in Sport - SIS

    SIS Go Hydro Tablets - Pink Grapefruit
    $14.89 $14.99
  • SIS Creatine - Unflavoured - 400g
    Sale

    SIS Creatine - Unflavoured - 400g

    Science in Sport - SIS

    SIS Creatine - Unflavoured - 400g
    $49.99 $61.95
  • sis-go-electrolyte-sports-fuel-blackcurrant-1-6kg-tub
    Sale

    SIS GO Electrolyte Sports Fuel - Blackcurrant - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Blackcurrant - 1.6kg Tub
    $69.49 $79.95
  • sis-go-electrolyte-sports-fuel-lemon-lime-1-6kg-tub
    Sale

    SIS GO Electrolyte Sports Fuel - Lemon & Lime - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Lemon & Lime - 1.6kg Tub
    $69.49 $79.95
  • SIS GO Electrolyte Sports Fuel - Orange - 1.6kg Tub
    Sale

    SIS GO Electrolyte Sports Fuel - Orange - 1.6kg Tub

    Science in Sport - SIS

    SIS GO Electrolyte Sports Fuel - Orange - 1.6kg Tub
    $68.99 $79.95
  • sis-beta-fuel-nootropics-gels-lemon-lime-single
    Sale

    SIS Beta Fuel Nootropics Gels - Lemon & Lime

    Science in Sport - SIS

    SIS Beta Fuel Nootropics Gels - Lemon & Lime
    $4.89 $4.99
  • sis-beta-fuel-energy-chew-orange
    Sale

    SIS Beta Fuel Energy Chew - Orange

    Science in Sport - SIS

    SIS Beta Fuel Energy Chew - Orange
    $5.89 $5.99
  • sis-beta-fuel-energy-chew-lemon
    Sale

    SIS Beta Fuel Energy Chew - Lemon

    Science in Sport - SIS

    SIS Beta Fuel Energy Chew - Lemon
    $5.89 $5.99
  • sis-beta-fuel-energy-drink-red-berry-82g-sachet
    Sale

    SIS Beta Fuel Energy Drink - Red Berry - 82g Sachet

    Science in Sport - SIS

    SIS Beta Fuel Energy Drink - Red Berry - 82g Sachet
    $5.89 $6.99
  • sis-beta-fuel-energy-drink-orange-82g-sachet
    Sale

    SIS Beta Fuel Energy Drink - Orange - 82g Sachet

    Science in Sport - SIS

    SIS Beta Fuel Energy Drink - Orange - 82g Sachet
    $5.89 $6.99
  • SIS Beta Fuel Energy Drink - Strawberry & Lime - 82g Sachet
    Sale

    SIS Beta Fuel Energy Drink - Strawberry & Lime - 82g Sachet

    Science in Sport - SIS

    SIS Beta Fuel Energy Drink - Strawberry & Lime - 82g Sachet
    $5.89 $6.99
  • SIS Beta Fuel Gels - Strawberry & Lime
    Sale

    SIS Beta Fuel Gels - Strawberry & Lime

    Science in Sport - SIS

    SIS Beta Fuel Gels - Strawberry & Lime
    $4.89 $4.99
  • SIS Go Plus Isotonic Energy Gels - Fruit Salad
    Sale

    SIS Go Plus Isotonic Energy Gels - Fruit Salad

    Science in Sport - SIS

    SIS Go Plus Isotonic Energy Gels - Fruit Salad
    $2.99 $3.99
  • SIS Beta Fuel Nootropics Gels - Apple
    Sale

    SIS Beta Fuel Nootropics Gels - Apple

    Science in Sport - SIS

    SIS Beta Fuel Nootropics Gels - Apple
    $4.89 $4.99
  • SIS Go Hydro Tablets - Berry
    Sale

    SIS Go Hydro Tablets - Berry

    Science in Sport - SIS

    SIS Go Hydro Tablets - Berry
    $14.89 $14.99
  • SIS Go Hydro Tablets - Pineapple & Mango
    Sale

    SIS Go Hydro Tablets - Pineapple & Mango

    Science in Sport - SIS

    SIS Go Hydro Tablets - Pineapple & Mango
    $14.89 $14.99
  • SIS Go Hydro Tablets - Lemon
    Sale

    SIS Go Hydro Tablets - Lemon

    Science in Sport - SIS

    SIS Go Hydro Tablets - Lemon
    $14.89 $14.99
  • SIS Go Hydro Tablets - Cola & Caffeine
    Sale

    SIS Go Hydro Tablets - Cola & Caffeine

    Science in Sport - SIS

    SIS Go Hydro Tablets - Cola & Caffeine
    $14.89 $14.99
  • SIS Go Hydro Tablets - Strawberry Lime
    Sale

    SIS Go Hydro Tablets - Strawberry Lime

    Science in Sport - SIS

    SIS Go Hydro Tablets - Strawberry Lime
    $12.89 $12.99