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Featured Products

Boost your energy, hydration & recovery with Science in Sport's scientifically formulated products. For world-class endurance sport nutrition. SiS offers an extensive range of endurance nutrition products to fuel your workout and on race day.
Brand: SiS (Science in Sport) Model: REGO-RR-1600-BA
REGO Rapid Recovery is a complete recovery product to be consumed immediately after exercise. It contains a blend of carbohydrates (23g), protein (2..
R1,085.00
GO Isotonic Energy Gel 60ml - Single Unit (Blackcurrant)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-BC
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for en..
R40.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Raspberry)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
Brand: SiS (Science in Sport) Model: GO-EL-1600-BC
 SIS GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrates as well as electrolytes (such as sodium) that pr..
R945.00
Brand: SiS (Science in Sport) Model: REGO-RR-500-ST
REGO Rapid Recovery is a complete recovery product to be consumed immediately after exercise. It contains a blend of carbohydrates (23g), protein (2..
R425.00
Brand: SiS (Science in Sport) Model: GO-EL-500-BC
SIS GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrates as well as electrolytes (such as sodium) that promote ..
R340.00
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R1,430.00
Brand: SiS (Science in Sport) Model: BOT-WN-600
All Science in Sport bottles have a unique Easy Mix System. This has been designed to deliver fast and accurate mixing. The Easy Mix System enables yo..
R125.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Lemon & Mint)
New Hot
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
Brand: SiS (Science in Sport) Model: BOT-PS-700
Product Description SIS Shaker 700ml The Science in Sports shaker features the unique Easy Mix System. This has been designed to deliver fast an..
R150.00
Beta Fuel 80g Sachets - Single Unit (Orange)
New Hot
Brand: SiS (Science in Sport) Model: BETA-FUEL-OR
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. With a brand n..
R88.00
GO Energy + Caffeine Gel 60ml - Single Unit (Citrus)
Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-CI
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SIS GO Isotonic Energy gel, the world's first and only truly isotonic e..
R67.00
Brand: SiS (Science in Sport) Model: REGO-RR-1600-ST
REGO Rapid Recovery is a complete recovery product to be consumed immediately after exercise. It contains a blend of carbohydrates (23g), protein (20g..
R1,085.00
Brand: SiS (Science in Sport) Model: GO-HYD-20-BE
SIS GO Hydro (Berry) is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily dis..
R230.00
Brand: SiS (Science in Sport) Model: GO-EL-1600-OR
 SIS GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrates as well as electrolytes (such as sodium) that pr..
R945.00
GO Energy + Caffeine Gel 60ml - Single Unit (Double Espresso)
Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-DE
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SIS GO Isotonic Energy gel, the world's first and only truly isotonic..
R67.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Salted Caramel)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-SC
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy gel...
R1,430.00
Brand: SiS (Science in Sport) Model: GO-EN-1600-BC
SIS GO Energy blackcurrant provides an easily digestible and quick supply of carbohydrates for energy. Designed to be versatile, this product can be m..
R945.00
Brand: SiS (Science in Sport) Model: GO-HYD-20-PG
PRODUCT OVERVIEWGO Hydro is designed to ensure you are effectively hydrated to produce your best performance. As an effervescent tablet that readily d..
R230.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Raspberry)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Lemon & Mint)
New Hot
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
GO Energy + Caffeine Gel 60ml - Single Unit (Double Espresso)
Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-DE
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SIS GO Isotonic Energy gel, the world's first and only truly isotonic..
R67.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Salted Caramel)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-SC
The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Energy gel, the world’s first and only truly isotonic energy ge..
R53.00
Beta Fuel 80g Sachets - Single Unit (Orange)
New Hot
Brand: SiS (Science in Sport) Model: BETA-FUEL-OR
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. With a brand n..
R88.00
GO Isotonic Energy Gel 60ml - Single Unit (Blackcurrant)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-BC
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for en..
R40.00
GO Energy + Caffeine Gel 60ml - Single Unit (Citrus)
Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-CI
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SIS GO Isotonic Energy gel, the world's first and only truly isotonic e..
R67.00
Beta Fuel 80g Sachets - Single Unit (Red Berry)
New Hot
Brand: SiS (Science in Sport) Model: BETA-PWD-80-BE
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. A brand new ra..
R88.00
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-BE
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SiS GO Isotonic Energy gel, the world's first and only truly isotonic e..
R67.00
Beta Fuel 80g Sachets - Single Unit (Strawberry&lime)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-PWD-80-SL
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. With a brand n..
R88.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R70.00
Brand: SiS (Science in Sport) Model: GO-GEL+CAF-60-CO
The SIS GO Energy + Caffeine Gel 75mg builds on the established science of the SIS GO Isotonic Energy gel, the world's first and only truly isotonic..
R67.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-LE
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R70.00
GO Isotonic Energy Gel 60ml - Single Unit (Cherry)
New Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-CY
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for en..
R40.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-TR
Limited edition GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each ba..
R49.00
Brand: SiS (Science in Sport) Model: GO-EL-1600-OR
 SIS GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrates as well as electrolytes (such as sodium) that pr..
R945.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-ST
GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each bake has a fruit centre..
R49.00
Brand: SiS (Science in Sport) Model: REGO-RR-1600-CH
REGO Rapid Recovery is a complete recovery product to be consumed immediately after exercise. It contains a blend of carbohydrates (23g), protein (2..
R1,085.00
Brand: SiS (Science in Sport) Model: GO-BAR-40-BF
SIS GO Energy Bars are a nutritious, easily digestible, and high carbohydrate-based snack made from fruits and wholesome ingredients. The SiS GO Ene..
R45.00
Brand: SiS (Science in Sport) Model: GO-BAR-40-AB
SIS GO Energy bars are a nutritious, easily digestible, and high carbohydrate-based snack made from fruits and wholesome ingredients.  Proven b..
R45.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-LE
GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each bake has a fruit center p..
R49.00
Brand: SiS (Science in Sport) Model: GO-EL-500-LL
SIS GO Electrolyte contains a blend of an easily digestible and quick supply of carbohydrates as well as electrolytes (such as sodium) that promote op..
R340.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF
A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith great-tasting new flavours and an improved recipe, our Science in Sport PROT..
R705.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF
Protein Bars contain a blend of easily digestible proteins (20 grams per bar) in the form of whey, casein, and soy protein. It is important to consu..
R65.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-SC
Protein Bars contain a blend of easily digestible proteins (20 grams per bar) in the form of whey, casein, and soy protein. It is important to consu..
R65.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ
A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith great-tasting new flavours and an improved recipe, our Science in Sport PROT..
R705.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ
A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith great-tasting new flavours and an improved recipe, our Science in Sport PROT..
R65.00
GO Energy + Electrolyte Gel - 30 Pack (Salted Caramel) - On Sale
New -30 % Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-SC-SP
This is on special because the BEST BEFORE date is MARCH 2024.The GO Energy + Electrolyte gel builds on the established science of the GO Is..
R1,001.00 R1,430.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-TR
GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each bake has a fruit center..
R530.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-TR
Limited edition GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each ba..
R49.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R1,260.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-LE
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R1,260.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-LE
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R70.00
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR
Beta Fuel Dual Source Energy Chews provide you with scientifically superior energy in unique and satisfying chewy bars. Part of a whole range of wor..
R70.00
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ
A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith great-tasting new flavours and an improved recipe, our Science in Sport PROT..
R705.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR
GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each bake has a fruit center..
R530.00
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR
GO Energy Bake adopts a scientific approach to energy bars, delivering 30 grams of carbohydrates in a soft-filled bake. Each bake has a fruit center..
R49.00
Model: EXTRA-DEL
Additional charge on top of standard delivery fees..
R179.00
Brand: SiS (Science in Sport) Model: BETA-FUEL-BE
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. A brand new ra..
R1,200.00
Beta Fuel 80g Sachets - Single Unit (Strawberry&lime)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-PWD-80-SL
The famous Science in Sport Beta Fuel energy drink, long favoured by elite athletes, has now been optimized to make it a superior fuel. With a brand n..
R88.00
GO Energy + Electrolyte Gel - 30 Pack (Salted Caramel) - On Sale
New -30 % Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-SC-SP
This is on special because the BEST BEFORE date is MARCH 2024.The GO Energy + Electrolyte gel builds on the established science of the GO Is..
R1,001.00 R1,430.00
GO Energy + Electrolyte Gel 60ml - Single Unit (Salted Caramel) - On Sale
New -31 %
Brand: SiS (Science in Sport) Model: GO-GEL+ELE-60-SC-SP
This is on special because the BEST BEFORE date is MARCH 2024.The GO Energy + Electrolyte gel builds on the established science of the GO Isotonic Ene..
R34.00 R49.00
GO Hydro 20 Tabs - Single Unit  (Berry) - On Sale
New -30 %
Brand: SiS (Science in Sport) Model: GO-HYD-20-BE-SP-FEB24
This is on sale because the BEST BEFORE date is FEBRUARY 2024.SIS GO Hydro (Berry) is designed to ensure you are effectively hydrated to produce your..
R161.00 R230.00
GO Hydro 20 Tabs - Single Unit  (Cola Caffeine) - On Sale
New -30 %
Brand: SiS (Science in Sport) Model: GO-HYD-20-CC-SP-MRCH 24
This is on special because the BEST BEFORE date is MARCH 2024.SiS GO Hydro + Caffeine (Cola) is designed to ensure you are effectively hydr..
R161.00 R230.00
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