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ALL PRODUCTS
New HotWORLD-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
New HotPRODUCT INFORMATIONEVIDENCE-BASED ENERGY GEL FOR PHYSICAL AND MENTAL POWER OUTPUTDESIGNED AS A WORLD-LEADING, WHOLE-BODY ENERGY SOURCE, OUR INNOVATI..R70.00
New HotWORLD-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
New -20 %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
New -20 %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
New -30 %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
-20 %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
New -20 %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
PLEASE NOTE: ✨ We will be closed from 20 December. Orders placed after 13h00 will only be processed on 6 January 2025 ✨
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.
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
Hot
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
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
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
Hot
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
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
New
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
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: 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
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
Hot
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
New
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
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
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
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
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
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
Hot
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
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
Hot
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
Hot
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
Hot
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
New
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
New
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
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
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
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
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
New
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
New
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
New
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
New
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
New
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
-250x250w.jpg "Beta Recovery - 1.5kg (Vanilla)")
New
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
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
New
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
New
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
New
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
New
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
New
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
-250x250.png "REGO Clear Recovery - 1.38kg (Peach)")
New
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
-250x250.png "REGO Clear Recovery - 460g (Peach)")
New
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
New
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
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
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
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
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
-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
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
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
-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
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
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
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
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
-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
-50 %
Model: SIS-KIT-JACKET
Fabrication:100% PolyesterCare InstructionsSizing..
R375.00 R750.00
Custom Labels
-50 %
Model: SIS-KIT-BIB
Fabrication:20 % Spandex80% PolyesterCare Instructions:Sizing:..
R405.00 R810.00
-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
-50 %
Model: SIS-KIT-SHORT-SLEEVE-JERSEY
Fabrication:100% PolyesterCare Instructions:
Sizing:..
R345.00 R690.00
-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