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ALL PRODUCTS
New HotBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..R74.00
New HotBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..R80.00
New HotBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..R74.00
-10 %This is on special because the BEST BEFORE date is DECEMBER 2025.A convenient and fast-acting source of 22g liquid carbohydrate with added caffei..R60.25 R67.00-190x190w.png "GO Energy + Electrolyte Gel - 30 Pack (Lemon & Mint) -On Sale")
New -30 %This is on special because the Best before date is November 2025.The GO Energy + Electrolyte gel builds on the established science of t..R1,115.15 R1,593.00
New -20 %This is on special because the Best before date is December 2025.The GO Energy + Electrolyte gel builds on the established science of t..R1,274.50 R1,593.00
New -30 %This is on special because the BEST BEFORE date is NOVEMBER 2025. The GO Energy + Electrolyte gel builds on the established scienc..R1,115.15 R1,593.00
New -20 %This is on special because the BEST BEFORE date is DECEMBER 2025. The GO Energy + Electrolyte gel builds on the established science of ..R1,274.50 R1,593.00
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
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..
R80.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-OR
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R74.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL-60-TR
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-EL-1600-BC
A blend of carbohydrates and electrolytes enhances the
body's fluid absorption and provides fast-acting energy. Maintain your
endurance performance ..
R1,015.00
New
Brand: SiS (Science in Sport)
Model: GO-EL-500-LL
A blend of carbohydrates and electrolytes enhances the body's fluid absorption and provides fast-acting energy. Maintain your endurance performance wi..
R397.00
Brand: SiS (Science in Sport)
Model: GO-EL-500-BC
A blend of carbohydrates and electrolytes enhances the body's fluid absorption and provides fast-acting energy. Maintain your endurance performance wi..
R397.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-SL
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R74.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL+NOO-60-LL
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..
R80.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
Brand: SiS (Science in Sport)
Model: BETA-PWD-80-OR
BETA - the most complete nutrition solution in endurance sport. BETA FUEL 80 is a dual source, high-carbohydrate energy mix that combines with water t..
R99.00
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
Brand: SiS (Science in Sport)
Model: GO-EL-1600-OR
A blend of carbohydrates and electrolytes enhances the body's fluid absorption and provides fast-acting energy. Maintain your endurance performance wi..
R1,015.00
Brand: SiS (Science in Sport)
Model: REGO-RR-500-ST-Bag
REGO Rapid Recovery provides a complete muscle recovery solution to support recovery from endurance exerciseSupports muscle repair and rebuildReplenis..
R477.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+CAF-60-DE
A convenient and fast-acting source of 22g liquid carbohydrate with added caffeineMinimal gastrointestinal discomfortCaffeine provides extra focus and..
R74.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-PI
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte Gel is a liquid carbohydrate
energy + electrolyte gel that helps maintain the body's fluid balance and
provide fast-acti..
R1,593.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-PG
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-HYD-20-BE
A convenient effervescent tablet is high in sodium and vitamins to support everyday hydrationSodium, calcium, magnesium and potassiumSingle-serve tabl..
R259.00
-250x250w.png "GO Energy + Electrolyte Gel - 30 Pack (Lemon & Mint)")
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte Gel is a liquid carbohydrate
energy + electrolyte gel that helps maintain the body's fluid balance and
provide fast-acti..
R1,593.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-SL
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R74.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL+NOO-60-AP
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..
R80.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-OR
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R74.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-RA
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
New
Hot
Brand: SiS (Science in Sport)
Model: BETA-GEL+NOO-60-LL
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..
R80.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL+CAF-60-DE
A convenient and fast-acting source of 22g liquid carbohydrate with added caffeineMinimal gastrointestinal discomfortCaffeine provides extra focus and..
R74.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL-60-TR
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL-60-BC
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Hot
Brand: SiS (Science in Sport)
Model: GO-GEL-60-OR
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-AP
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-PI
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-CY
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-PG
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC
The GO Energy + Electrolyte Gel is a liquid carbohydrate energy + electrolyte gel that helps maintain the body's fluid balance and provide fast-acting..
R59.00
Brand: SiS (Science in Sport)
Model: GO-GEL-60-FS
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
Brand: SiS (Science in Sport)
Model: GO-GEL+CAF-60-CO
A convenient and fast-acting source of 22g liquid carbohydrate with added caffeineMinimal gastrointestinal discomfortCaffeine provides extra focus and..
R74.00
Brand: SiS (Science in Sport)
Model: BETA-PWD-80-OR
BETA - the most complete nutrition solution in endurance sport. BETA FUEL 80 is a dual source, high-carbohydrate energy mix that combines with water t..
R99.00
New
Brand: SiS (Science in Sport)
Model: BETA-PWD-80-BE
BETA - the most complete nutrition solution in endurance sport. BETA FUEL 80 is a dual source, high-carbohydrate energy mix that combines with water t..
R99.00
New
Brand: SiS (Science in Sport)
Model: GO-GEL-60-LL
The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of carbohydrate as a source of fast acting energy when you need it most.Easily digest..
R44.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-DEC25
This is on special because the BEST BEFORE date is December 2025.The GO Energy + Electrolyte gel builds on the established science..
R47.25 R59.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-DEC25
This is on special because the Best before date is December 2025.The GO Energy + Electrolyte gel builds on the established science of t..
R1,274.50 R1,593.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025.The GO Energy + Electrolyte gel builds on the established science of t..
R47.25 R59.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025. The GO Energy + Electrolyte gel builds on the established science of ..
R1,274.50 R1,593.00
New
Brand: SiS (Science in Sport)
Model: BOT-WN-800-YEL
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..
R167.00
New
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-NE
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R74.00
New
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-NE
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R1,998.00
New
Brand: SiS (Science in Sport)
Model: BETA-6PK-GEL-60-NE
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy gel is a dual source, high-carbohydrate energy gel designed to delive..
R435.00
New
Brand: SiS (Science in Sport)
Model: REGO-RR-1500-VA
REGO Rapid Recovery provides a complete muscle recovery solution to support recovery from endurance exerciseSupports muscle repair and rebuildReplenis..
R1,193.00
New
Brand: SiS (Science in Sport)
Model: REGO-RR-1500-ST
REGO Rapid Recovery provides a complete muscle recovery solution to support recovery from endurance exerciseSupports muscle repair and rebuildReplenis..
R1,193.00
New
Brand: SiS (Science in Sport)
Model: BETA-REC-500-VA
BETA Recovery is an advanced carbohydrate & protein blend, scientifically formulated to support endurance athletes who require a complete recovery..
R690.00
New
Brand: SiS (Science in Sport)
Model: BETA-REC-500-ST
BETA Recovery is an advanced carbohydrate & protein blend, scientifically formulated to support endurance athletes who require a complete recovery..
R690.00
New
Brand: SiS (Science in Sport)
Model: BETA-REC-500-CH
BETA Recovery is an advanced carbohydrate & protein blend, scientifically formulated to support endurance athletes who require a complete recovery..
R690.00
-250x250w.jpg "Beta Recovery - 1.5kg (Vanilla)")
New
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-VA
BETA Recovery is an advanced carbohydrate & protein blend, scientifically formulated to support endurance athletes who require a complete recovery..
R1,690.00
New
Brand: SiS (Science in Sport)
Model: REGO-RR-500-CH-Bag
REGO Rapid Recovery provides a complete muscle recovery solution to support recovery from endurance exerciseSupports muscle repair and rebuildReplenis..
R477.00
New
Brand: SiS (Science in Sport)
Model: REGO-RR-1500-CH
REGO Rapid Recovery provides a complete muscle recovery
solution to support recovery from endurance exercise
Supports muscle repair an..
R1,193.00
New
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-ST
BETA Recovery is an advanced carbohydrate & protein blend, scientifically formulated to support endurance athletes who require a complete recovery..
R1,690.00
New
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-CH
BETA Recovery is an advanced carbohydrate & protein
blend, scientifically formulated to support endurance athletes who require a
complete recove..
R1,690.00
New
Model: REGO-CLEAR-1380-RC
REGO Clear Recovery combines 20g of clear whey protein and
21g of carbohydrate, designed to help you to refuel and repair your body after
exercise.
..
R1,438.00
-250x250.png "REGO Clear Recovery - 1.38kg (Peach)")
New
Model: REGO-CLEAR-1380-PE
REGO Clear Recovery combines 20g of clear whey protein and
21g of carbohydrate, designed to help you to refuel and repair your body after
exercise.
..
R1,438.00
-10 %
Brand: SiS (Science in Sport)
Model: GO-GEL+CAF-60-CO-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025.A convenient and fast-acting source of 22g liquid carbohydrate with added caffei..
R60.25 R67.00
New
-30 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-NOV25
This is on special because the Best before date is November 2025.The GO Energy + Electrolyte gel builds on the established science of t..
R1,115.15 R1,593.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-DEC25
This is on special because the Best before date is December 2025.The GO Energy + Electrolyte gel builds on the established science of t..
R1,274.50 R1,593.00
New
-30 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-NOV25
This is on special because the BEST BEFORE date is NOVEMBER 2025. The GO Energy + Electrolyte gel builds on the established scienc..
R1,115.15 R1,593.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025. The GO Energy + Electrolyte gel builds on the established science of ..
R1,274.50 R1,593.00
-30 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-NOV25
This is on special because the BEST BEFORE date is November 2025.The GO Energy + Electrolyte gel builds on the established science..
R41.25 R59.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-LM-SP-DEC25
This is on special because the BEST BEFORE date is December 2025.The GO Energy + Electrolyte gel builds on the established science..
R47.25 R59.00
-30 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-NOV25
This is on special because the BEST BEFORE date is NOVEMBER 2025.The GO Energy + Electrolyte gel builds on the established science..
R41.25 R59.00
New
-20 %
Brand: SiS (Science in Sport)
Model: GO-GEL+ELE-60-SC-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025.The GO Energy + Electrolyte gel builds on the established science of t..
R47.25 R59.00
-10 %
Brand: SiS (Science in Sport)
Model: GO-GEL-60-CY-SP-DEC25
This is on special because the BEST BEFORE date is DECEMBER 2025.The GO Isotonic Energy Gel is formulated to rapidly delivers 22g of ca..
R39.50 R44.00
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