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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
Beta Fuel 60ml + Nootropics Gel - Single Unit (Apple)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-GEL-60-AP
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R70.00
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
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: 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 Isotonic Energy Gel 60ml - Single Unit (Tropical)
Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-TR
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for ..
R40.00
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: 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
Beta Fuel Gel 60ml - Single Unit (Orange)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-GEL-60-OR
WORLD-LEADING ENERGY GEL OPTIMISED WITH A NEW CARB RATIOPart of an entire world-leading fueling solution range that includes drinks and chews, our Bet..
R65.00
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-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)
Hot Out Of Stock
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
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
Beta Fuel 60ml + Nootropics Gel - Single Unit (Lemon & Lime)
New Hot
Brand: SiS (Science in Sport) Model: BETA-GEL-60-LL
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R70.00
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
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 Isotonic Energy Gel 60ml - Single Unit (Pineapple)
Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-PI
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for ..
R40.00
Brand: SiS (Science in Sport) Model: GO-GEL-60-PG
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-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
Beta Fuel Gel 60ml - Single Unit (Orange)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-GEL-60-OR
WORLD-LEADING ENERGY GEL OPTIMISED WITH A NEW CARB RATIOPart of an entire world-leading fueling solution range that includes drinks and chews, our Bet..
R65.00
Beta Fuel Gel 60ml -  Single Unit (Strawberry&lime)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-GEL-60-SL
WORLD-LEADING ENERGY GEL OPTIMISED WITH A NEW CARB RATIOPart of an entire world-leading fuelling solution range that includes drinks and chews, our ..
R65.00
Beta Fuel 60ml + Nootropics Gel - Single Unit (Apple)
New Hot Out Of Stock
Brand: SiS (Science in Sport) Model: BETA-GEL-60-AP
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R70.00
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..
R53.00
Beta Fuel 60ml + Nootropics Gel - Single Unit (Lemon & Lime)
New Hot
Brand: SiS (Science in Sport) Model: BETA-GEL-60-LL
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R70.00
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
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 Isotonic Energy Gel 60ml - Single Unit (Fruit Salad)
Hot Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-FS
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
Beta Fuel 80g Sachets - Single Unit (Orange)
Hot Out Of Stock
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
Brand: SiS (Science in Sport) Model: GO-GEL-60-OR
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 Isotonic Energy Gel 60ml - Single Unit (Tropical)
Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-TR
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for ..
R40.00
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-60-PG
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: 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 + Caffeine Gel 60ml - Single Unit (Berry)
Out Of Stock
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
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: GO-GEL-60-LL
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 Isotonic Energy Gel 60ml - Single Unit (Pineapple)
Out Of Stock
Brand: SiS (Science in Sport) Model: GO-GEL-60-PI
The SIS GO Isotonic Energy Gel was the world's first isotonic gel effectively delivering an easily digestible and quick supply of carbohydrates for ..
R40.00
GO Energy Bar 40g - Single Unit (Banana Fudge) - On Sale
-60 %
Brand: SiS (Science in Sport) Model: GO-BAR-40-BF-SP-MAY24
This is on special because the BEST BEFORE date is May 2024.SIS GO Energy Bars are a nutritious, easily digestible, and high carbo..
R18.00 R45.00
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
Beta Fuel Energy Chew 60g - Single Unit (Orange) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR-SP-SEP24
 This is on special because the BEST BEFORE date is SEPTEMBER 2024.Beta Fuel Dual Source Energy Chews provide you with scien..
R63.00 R70.00
Beta Fuel Energy Chew 60g - 20 packs (Orange)
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR-SP-SEP24
 This is on special because the BEST BEFORE date is SEPTEMBER 2024.Beta Fuel Dual Source Energy Chews provide you with scien..
R1,134.00 R1,260.00
Brand: SiS (Science in Sport) Model: BETA-6PK-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..
R410.00
Brand: SiS (Science in Sport) Model: BETA-6PK-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..
R410.00
Brand: SiS (Science in Sport) Model: BETA-GEL-60-LL
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R410.00
Protein20 Bar 64g - 12 Pack (Salted Caramel) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith ..
R599.25 R705.00
Protein20 bar 64g - Single Unit (Salted Caramel) - On Sale
New -35 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-SC-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.Protein Bars contain a blend of easily digestible proteins (20 grams pe..
R42.50 R65.00
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
Protein20 bar 64g - 12 pack (Vanilla Fudge) - On Sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF-SP-DEC24
This is on special because the BEST BEFORE date is DECEMBER 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWi..
R599.25 R705.00
Protein20 bar 64g - Single Unit (Vanilla Fudge) - On Sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF-SP-DEC24
This is on special because the BEST BEFORE date is DECEMBER 2024.Protein Bars contain a blend of easily digestible proteins (20 grams ..
R42.50 R50.00
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: BOT-WN-800
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..
R145.00
Protein20 Bar 64g - Single Unit  (Peanut Butter & Jelly) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWit..
R42.50 R50.00
Protein20 Bar 64g - 12 Pack (Peanut Butter & Jelly) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024. A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUI..
R599.25 R705.00
Brand: SiS (Science in Sport) Model: BETA-6PK-GEL-60-SL
WORLD-LEADING ENERGY GEL OPTIMISED WITH A NEW CARB RATIOPart of an entire world-leading fuelling solution range that includes drinks and chews, our ..
R380.00
 GO Energy Bake 50g - Single Unit (Lemon)- On Sale
New -25 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-LE-SP-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.GO Energy Bake adopts a scientific approach to energy bars, delivering 3..
R36.75 R49.00
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
 GO Energy Bake 50g - 12 Pack (Lemon) - On sale
New -25 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-LE-SP-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.GO Energy Bake adopts a scientific approach to energy bars, delivering ..
R398.00 R530.00
Brand: SiS (Science in Sport) Model: BETA-GEL+NOO-60-LL
PRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..
R1,900.00
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
 GO Energy Bake 50g - 12 Pack (Lemon) - On sale
New -25 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-LE-SP-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.GO Energy Bake adopts a scientific approach to energy bars, delivering ..
R398.00 R530.00
 GO Energy Bake 50g - Single Unit (Lemon)- On Sale
New -25 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-LE-SP-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.GO Energy Bake adopts a scientific approach to energy bars, delivering 3..
R36.75 R49.00
Beta Fuel Energy Chew 60g - 20 pack (Lemon)  - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-LE-SP-AUG24
 This is on special because the BEST BEFORE date is AUGUST 2024.Beta Fuel Dual Source Energy Chews provide you with scientificall..
R1,134.00 R1,260.00
Beta Fuel Energy Chew 60g - 20 packs (Orange)
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR-SP-SEP24
 This is on special because the BEST BEFORE date is SEPTEMBER 2024.Beta Fuel Dual Source Energy Chews provide you with scien..
R1,134.00 R1,260.00
Beta Fuel Energy Chew 60g - Single Unit (Lemon) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-LE-SP-AUG24
 This is on special because the BEST BEFORE date is AUGUST 2024.Beta Fuel Dual Source Energy Chews provide you with scientifically sup..
R63.00 R70.00
Beta Fuel Energy Chew 60g - Single Unit (Orange) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: BETA-CH-60-OR-SP-SEP24
 This is on special because the BEST BEFORE date is SEPTEMBER 2024.Beta Fuel Dual Source Energy Chews provide you with scien..
R63.00 R70.00
GO Energy Bar 40g - Single Unit (Banana Fudge) - On Sale
-60 %
Brand: SiS (Science in Sport) Model: GO-BAR-40-BF-SP-MAY24
This is on special because the BEST BEFORE date is May 2024.SIS GO Energy Bars are a nutritious, easily digestible, and high carbo..
R18.00 R45.00
GO Hydro 20 Tabs - Single Unit  (Cola Caffeine) - On Sale
-60 %
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..
R92.00 R230.00
Protein20 Bar 64g - 12 Pack (Peanut Butter & Jelly) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024. A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUI..
R599.25 R705.00
Protein20 Bar 64g - 12 Pack (Salted Caramel) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWith ..
R599.25 R705.00
Protein20 bar 64g - 12 pack (Vanilla Fudge) - On Sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF-SP-DEC24
This is on special because the BEST BEFORE date is DECEMBER 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWi..
R599.25 R705.00
Protein20 Bar 64g - Single Unit  (Peanut Butter & Jelly) - On sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-PJ-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024.A HIGH-PROTEIN VEGAN-FRIENDLY SNACK FOR MUSCLE RECOVERY AND REBUILDWit..
R42.50 R50.00
Protein20 bar 64g - Single Unit (Salted Caramel) - On Sale
New -35 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-SC-AUG24
This is on special because the BEST BEFORE date is AUGUST 2024.Protein Bars contain a blend of easily digestible proteins (20 grams pe..
R42.50 R65.00
Protein20 bar 64g - Single Unit (Vanilla Fudge) - On Sale
New -15 %
Brand: SiS (Science in Sport) Model: PROTEIN20-BAR-64-VF-SP-DEC24
This is on special because the BEST BEFORE date is DECEMBER 2024.Protein Bars contain a blend of easily digestible proteins (20 grams ..
R42.50 R50.00
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