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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.
Beta Fuel 60ml + Nootropics Gel - Single Unit (Apple)
New Hot
Brand: SiS (Science in Sport) Model: BETA-GEL+NOO-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-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: 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
GO Energy + Electrolyte Gel 60ml - Single Unit (Raspberry)
Hot Avail 25th JAN
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-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
Beta Fuel Gel 60ml - Single Unit (Orange)
New Hot
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..
R67.50
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
Beta Fuel 60ml + Nootropics Gel - Single Unit (Lemon & Lime)
New Hot
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..
R70.00
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: REGO-RR-500-ST-Bag
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: BETA-PWD-80-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: 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
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: 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
Beta Fuel Gel 60ml -  Single Unit (Strawberry&lime)
New Hot
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 ..
R67.50
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: 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
Brand: SiS (Science in Sport) Model: BETA-GEL+NOO-60-AP
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: 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-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
Beta Fuel Gel 60ml -  Single Unit (Strawberry&lime)
New Hot
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 ..
R67.50
Beta Fuel 60ml + Nootropics Gel - Single Unit (Apple)
New Hot
Brand: SiS (Science in Sport) Model: BETA-GEL+NOO-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
Beta Fuel Gel 60ml - Single Unit (Orange)
New Hot
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..
R67.50
GO Energy + Electrolyte Gel 60ml - Single Unit (Raspberry)
Hot Avail 25th JAN
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+NOO-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+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: 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-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
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: 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-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-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-AP
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-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
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-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-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: BETA-PWD-80-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: 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
REGO Rapid Recovery Sachets - 18 Pack (Banana) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: REGO-RR-50-BA-SP-MAR25
This is on special because the BEST BEFORE date is MARCH 2025.REGO Rapid Recovery is a complete recovery product to be consumed immedi..
R715.50 R795.00
GO Energy 1.6kg (Blackcurrant) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-EN-1600-BC-SP-FEB25
This product is on sale because the BEST BEFORE date is February 2025.SIS GO Energy blackcurrant provides an easily digestible and quic..
R756.00 R945.00
 GO Energy Bake 50g - Single Unit (Orange) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR-SP-FEB25
This is on special because the BEST BEFORE date is FEBRUARY 2025.GO Energy Bake adopts a scientific approach to energy bars, deliv..
R39.25 R49.00
 GO Energy Bake 50g - 12 Pack (Orange) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR-SP-FEB25
This is on special because the BEST BEFORE date is FEBRUARY 2025.GO Energy Bake adopts a scientific approach to energy bars, delivering..
R424.00 R530.00
Brand: SiS (Science in Sport) Model: REGO-RR-1500-VA
REGO Rapid Recovery is a vegan-friendly recovery solution that delivers carbohydrates and protein, as well as vitamins and minerals, in a convenient d..
R1,085.00
Brand: SiS (Science in Sport) Model: REGO-RR-1500-ST
REGO Rapid Recovery is a vegan-friendly recovery solution that delivers carbohydrates and protein, as well as vitamins and minerals, in a convenient d..
R1,085.00
Brand: SiS (Science in Sport) Model: BETA-REC-500-VA
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete loo..
R580.00
Brand: SiS (Science in Sport) Model: BETA-REC-500-ST
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete loo..
R580.00
Brand: SiS (Science in Sport) Model: BETA-REC-500-CH
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete look..
R580.00
Brand: SiS (Science in Sport) Model: BETA-REC-1500-VA
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete loo..
R1,650.00
GO Energy Bar 40g - Single Unit (Banana Fudge) - On Sale
New -70 %
Brand: SiS (Science in Sport) Model: GO-BAR-40-BF-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024.SIS GO Energy Bars are a nutritious, easily digestible, and high carboh..
R13.50 R45.00
Brand: SiS (Science in Sport) Model: REGO-RR-500-CH-Bag
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: REGO-RR-1500-CH
REGO Rapid Recovery is a vegan-friendly recovery solution that delivers carbohydrates and protein, as well as vitamins and minerals, in a convenient d..
R1,085.00
Brand: SiS (Science in Sport) Model: BETA-REC-1500-ST
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete loo..
R1,650.00
Brand: SiS (Science in Sport) Model: BETA-REC-1500-CH
A complete dual source recovery drink scientifically formulated for post endurance exercise. An advanced recovery drink for the athlete look..
R1,650.00
Model: REGO-CLEAR-1380-RC
Product OverviewAn everyday light and refreshing recovery drink The REGO Clear Recovery supplement combines 20g of clear whey protein and 21g o..
R1,395.00
Model: REGO-CLEAR-1380-PE
Raspberry and Cranberry Flavour Whey Protein Isolate and Maltodextrin Powder, with Sweeteners.Experience the power of 20g of clear whey protein and 20..
R1,395.00
Model: REGO-CLEAR-460-PE
Product OverviewAn everyday light and refreshing recovery drink The REGO Clear Recovery supplement combines 20g of clear whey protein and 21g of..
R495.00
Model: REGO-CLEAR-460-RC
Product OverviewAn everyday light and refreshing recovery drink The REGO Clear Recovery supplement combines 20g of clear whey protein and 21g of..
R495.00
GO Energy 1.6kg (Lemon) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-EN-1600-LE-SP-FEB25
This product is on sale because the BEST BEFORE date is February 2025.SIS GO Energy Lemon provides an easily digestible and quick ..
R756.00 R945.00
 GO Energy Bake 50g - 12 Pack (Orange) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR-SP-FEB25
This is on special because the BEST BEFORE date is FEBRUARY 2025.GO Energy Bake adopts a scientific approach to energy bars, delivering..
R424.00 R530.00
 GO Energy Bake 50g - Single Unit (Orange) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-BAKE-50-OR-SP-FEB25
This is on special because the BEST BEFORE date is FEBRUARY 2025.GO Energy Bake adopts a scientific approach to energy bars, deliv..
R39.25 R49.00
GO Electrolyte Powder - 500g (Blackcurrant) - On sale
New -30 %
Brand: SiS (Science in Sport) Model: GO-EL-500-BC-SP-FEB25
This is on special because the BEST BEFORE date is February 2025SiS GO Electrolyte contains a blend of an easily digestible and quick..
R238.00 R340.00
GO Electrolyte Powder - 500g (Lemon & Lime) - On sale
-20 %
Brand: SiS (Science in Sport) Model: GO-EL-500-LL-SP-FEB25
This is on special because the BEST BEFORE date is February 2025.SIS GO Electrolyte contains a blend of an easily digestible and quick ..
R272.00 R340.00
GO Energy 1.6kg (Blackcurrant) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-EN-1600-BC-SP-FEB25
This product is on sale because the BEST BEFORE date is February 2025.SIS GO Energy blackcurrant provides an easily digestible and quic..
R756.00 R945.00
GO Energy 1.6kg (Lemon) - On Sale
New -20 %
Brand: SiS (Science in Sport) Model: GO-EN-1600-LE-SP-FEB25
This product is on sale because the BEST BEFORE date is February 2025.SIS GO Energy Lemon provides an easily digestible and quick ..
R756.00 R945.00
GO Energy Bar 40g - Single Unit (Apple & Blackcurrant) - On Sale
-70 % Out Of Stock
Brand: SiS (Science in Sport) Model: GO-BAR-40-AB-SP-SEPT24
This is on special because the BEST BEFORE date is SEPTEMBER 2024.SiS GO Energy bars are a nutritious, easily digestible, and high carbohydr..
R13.50 R45.00
GO Energy Bar 40g - Single Unit (Banana Fudge) - On Sale
New -70 %
Brand: SiS (Science in Sport) Model: GO-BAR-40-BF-SP-OCT24
This is on special because the BEST BEFORE date is OCTOBER 2024.SIS GO Energy Bars are a nutritious, easily digestible, and high carboh..
R13.50 R45.00
Immune 20 Tabs  - Single Unit (Orange) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: IMM-20-OR-SP-MARCH25
This is on special because the BEST BEFORE date is MARCH 2025.SIS Immune is designed to support and maintain immune function during and afte..
R207.00 R230.00
Protein20 Bar 64g - Single Unit  (Peanut Butter & Jelly) - On sale
New -70 %
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..
R19.50 R65.00
REGO Rapid Recovery Sachets - 18 Pack (Banana) - On Sale
New -10 %
Brand: SiS (Science in Sport) Model: REGO-RR-50-BA-SP-MAR25
This is on special because the BEST BEFORE date is MARCH 2025.REGO Rapid Recovery is a complete recovery product to be consumed immedi..
R715.50 R795.00
REGO Rapid Recovery Sachets - Single Sachet (Banana) - On Sale
-10 %
Brand: SiS (Science in Sport) Model: REGO-RR-50-BA-SP-MARCH25
This is on special because the BEST BEFORE date is MARCH 2025.REGO Rapid Recovery is a complete recovery product to be consumed i..
R44.25 R49.00
SiS Jacket
-50 %
Model: SIS-KIT-JACKET
Fabrication:100% PolyesterCare InstructionsSizing..
R375.00 R750.00
SiS Kit Bib
Custom Labels -50 %
Model: SIS-KIT-BIB
Fabrication:20 % Spandex80% PolyesterCare Instructions:Sizing:..
R405.00 R810.00
SiS Kit Socks
-40 %
Model: SIS-KIT-SOCKS
Fabrication:90% Cotton10% SpandexCare InstructionsWarm machine washNon-Chlorine Bleach Medium Tumble DryLow heat ironOne size fits most ..
R60.00 R100.00
SiS Short Sleeve Jersey
-50 %
Model: SIS-KIT-SHORT-SLEEVE-JERSEY
 Fabrication:100% PolyesterCare Instructions: Sizing:..
R345.00 R690.00
SiS Trucker Cap
-20 %
Model: SIS-KIT-TRUCKER-CAP
Fabrication:50% Cotton50% PolyesterCare Instructions:Hand wash with careDo not bleachDo not ironDo not dry cleanDo not tumble dry ..
R120.00 R150.00
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