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Science in Sport

We are excited to announce that The Feed is now the sole US Retail Partner for SiS. This partnership enables our customers to conveniently browse and purchase the full range of Science in Sport products, benefit from prompt delivery, and enjoy a hassle-free checkout process. Not only does this collaboration enhance the overall shopping experience, but it also offers exclusive perks through The Feed marketplace, including personalized guidance from our feed coaches to support your nutritional requirements and Feed credit, which can be applied as cash towards your future purchase of SiS products.

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Science in Sport

[Placeholder]SiS Go Isotonic Energy Gel Variety Pack
SiS Go Isotonic Energy Gel Variety Pack
$13.50
[Placeholder]SiS Go Isotonic Energy Gel Mixed 20 Pack
SiS Go Isotonic Energy Gel Mixed 20 Pack
$35.00
[Placeholder]SiS Go Isotonic Energy Gels
11 flavors in 3 sizes
SiS Go Isotonic Energy GelsSiS Go Isotonic Energy GelsSiS Go Isotonic Energy GelsSiS Go Isotonic Energy Gels
SiS Go Isotonic Energy Gels
$1.89
  126 reviews
[Placeholder]SiS Go Energy + Caffeine Gels
4 flavors in 3 sizes
SiS Go Energy + Caffeine GelsSiS Go Energy + Caffeine GelsSiS Go Energy + Caffeine GelsSiS Go Energy + Caffeine Gels
SiS Go Energy + Caffeine Gels
$2.00
[Placeholder]SiS GO Energy + Electrolyte Gel
3 flavors in 3 sizes
SiS GO Energy + Electrolyte GelSiS GO Energy + Electrolyte GelSiS GO Energy + Electrolyte GelSiS GO Energy + Electrolyte Gel
SiS GO Energy + Electrolyte Gel
$1.89
  105 reviews
[Placeholder]SiS Beta Fuel
3 flavors in 2 sizes
SiS Beta FuelSiS Beta FuelSiS Beta FuelSiS Beta Fuel
SiS Beta Fuel
$3.29
[Placeholder]SiS Beta Fuel Gel
2 flavors in 2 sizes
SiS Beta Fuel GelSiS Beta Fuel GelSiS Beta Fuel GelSiS Beta Fuel Gel
SiS Beta Fuel Gel
$2.50
[Placeholder]SiS Beta Fuel Chews
2 flavors in 2 sizes
SiS Beta Fuel ChewsSiS Beta Fuel ChewsSiS Beta Fuel ChewsSiS Beta Fuel Chews
SiS Beta Fuel Chews
$2.50
[Placeholder]SiS REGO Rapid Recovery
3 flavors in 2 sizes
SiS REGO Rapid RecoverySiS REGO Rapid RecoverySiS REGO Rapid RecoverySiS REGO Rapid Recovery
SiS REGO Rapid Recovery
$19.99
  1 review
[Placeholder]SiS GO Electrolyte
3 flavors
SiS GO ElectrolyteSiS GO ElectrolyteSiS GO Electrolyte
SiS GO Electrolyte
$40.00
[Placeholder]SiS Performance Nitrate Powder
2 flavors
SiS Performance Nitrate PowderSiS Performance Nitrate Powder
SiS Performance Nitrate Powder
$30.00
[Placeholder]SiS Hydro Tablets
6 flavors
SiS Hydro TabletsSiS Hydro TabletsSiS Hydro TabletsSiS Hydro Tablets
SiS Hydro Tablets
$10.99
  219 reviews
[Placeholder]SiS Beta Fuel + Nootropics Gel
2 flavors in 2 sizes
SiS Beta Fuel + Nootropics GelSiS Beta Fuel + Nootropics GelSiS Beta Fuel + Nootropics GelSiS Beta Fuel + Nootropics Gel
SiS Beta Fuel + Nootropics Gel
$2.50