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ALL PRODUCTS
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
Hot Out Of StockBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..R80.00
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 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exercise..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced..R2,160.00 R2,400.00
New -60 %This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..R186.00 R465.00 -
Energy
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
Hot Out Of StockBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..R80.00
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 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exercise..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced..R2,160.00 R2,400.00
New -60 %This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..R186.00 R465.00
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Hydration
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
Hot Out Of StockBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..R80.00
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 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exercise..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced..R2,160.00 R2,400.00
New -60 %This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..R186.00 R465.00
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Recovery & Protein
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
Hot Out Of StockBETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced w..R80.00
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 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exercise..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..R638.00 R708.00
-10 %BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy+ Nootropics is a dual source, high-carbohydrate energy gel enhanced..R2,160.00 R2,400.00
New -60 %This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..R186.00 R465.00
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.
Hot
Out Of Stock
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
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-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: 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
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
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
-250x250w.png "GO Energy + Electrolyte Gel - 30 Pack (Lemon & Mint)")
-10 %
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 R1,770.00
Hot
Out Of Stock
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
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
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
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: 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-EL-500-OR
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-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: 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
-10 %
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..
R1,593.00 R1,770.00
Brand: SiS (Science in Sport)
Model: GO-HYD-20-SL
A convenient effervescent tablet is high in sodium and vitamins to support everyday hydration.Sodium, calcium, magnesium and potassiumSingle-serve tab..
R259.00
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..
R144.00
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
Hot
Out Of Stock
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: 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
Hot
Out Of Stock
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-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
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
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: 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+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-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
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
Model: 392
..
R698.00
New
In Stock
New
In Stock
New
In Stock
New
In Stock
New
In Stock
New
In Stock
New
In Stock
New
In Stock
New
New
In Stock
-10 %
Brand: SiS (Science in Sport)
Model: GO-BAKE-50-LE
With a delicious soft filled centre, the GO Energy Bakes
offer a convenient, and easily digestible source of carbohydrate best taken
during exercise..
R638.00 R708.00
-10 %
Brand: SiS (Science in Sport)
Model: GO-BAKE-50-ST
With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..
R638.00 R708.00
-10 %
Brand: SiS (Science in Sport)
Model: GO-BAKE-50-TR
With a delicious soft filled centre, the GO Energy Bakes offer a convenient, and easily digestible source of carbohydrate best taken during exerciseId..
R638.00 R708.00
-10 %
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..
R2,160.00 R2,400.00
New
-60 %
Brand: SiS (Science in Sport)
Model: BETA-6PK-GEL+NOO-60-AP-SP-APR26
This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..
R186.00 R465.00
New
-50 %
Brand: SiS (Science in Sport)
Model: BETA-6PK-GEL+NOO-60-LL-SP-MAY26
This is on special because the BEST BEFORE date is MAY 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL E..
R232.50 R465.00
-60 %
Brand: SiS (Science in Sport)
Model: BETA-GEL-60-LL-SP-APR26
This is on special because the BEST BEFORE date is APRIL 2026.BETA - the most complete nutrition solution in endurance sport. BETA FUEL..
R32.00 R80.00
-10 %
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 R2,220.00
-10 %
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 deli..
R1,998.00 R2,220.00
-10 %
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..
R1,998.00 R2,220.00
-10 %
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..
R1,337.00 R1,485.00
-10 %
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..
R1,337.00 R1,485.00
-250x250.png "Beta Fuel 80g Sachets - 15 Pack (Strawberry& Lime)")
-10 %
Brand: SiS (Science in Sport)
Model: BETA-PWD-80-SL
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..
R1,337.00 R1,485.00
-10 %
Brand: SiS (Science in Sport)
Model: BETA-CH-60-OR
BETA - the most complete nutrition solution in endurance sport. BETA FUEL Energy Chews are a dual source, high-carbohydrate energy chew designed to de..
R1,350.00 R1,500.00
New
-10 %
Brand: SiS (Science in Sport)
Model: BETA-GEL+ELE-60-RL
For athletes engaging in prolonged moderate to
high-intensity exercise, >2 h in duration, to simultaneously deliver both
carbohydrate and key ele..
R2,025.00 R2,238.20
New
-30 %
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-CH-SP-JUN26
This is on special because the BEST BEFORE date is JUNE 2026.BETA Recovery is an advanced carbohydrate & protein
blend, scien..
R1,183.00 R1,690.00
New
-30 %
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-ST-SP-JUN26
This is on special because the BEST BEFORE date is JUNE 2026.BETA Recovery is an advanced carbohydrate & protein blend, scient..
R1,183.00 R1,690.00
-250x250w.jpg "Beta Recovery - 1.5kg (Vanilla) - On Sale")
New
-20 %
Brand: SiS (Science in Sport)
Model: BETA-REC-1500-VA-SP-JUN26
This is on special because the BEST BEFORE date is JUNE 2026.BETA Recovery is an advanced carbohydrate & protein blend, scient..
R1,352.00 R1,690.00
New
-20 %
Brand: SiS (Science in Sport)
Model: BETA-REC-500-ST-SP-JUN26
This is on special because the BEST BEFORE date is JUNE 2026.BETA Recovery is an advanced carbohydrate & protein blend, scient..
R552.00 R690.00
New
-10 %
Brand: SiS (Science in Sport)
Model: GO-EN-OAT-70-BB
Packed with wholesome oats, this bar provides a steady
release of carbohydrates for sustained energy, while the added protein supports
muscle recove..
R810.00 R895.30