SIS (Science in Sport)

Discover a range of Informed-Sport certified nutrition, including energy gels, hydration mixes, protein bars, and advanced recovery formulas. Developed for endurance athletes, each product supports peak performance and fast recovery. Manufactured in the UK for quality and reliability.
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  • SIS Isotonic Gels - 6x60ml / Orange - Energy Gels

    SIS Isotonic Gels

    SIS Isotonic Gels
    £31.49 GBP
    £31.49 GBP
  • SIS Powder Hydro+ 18x3x4.3g - MyGymSupplements

    SIS Powder Hydro+ 18x3x4.3g

    SIS Powder Hydro+ 18x3x4.3g
    £56.49 GBP
    £56.49 GBP
  • SIS Energy Oat Bar 12x70g

    SIS Energy Oat Bar 12x70g

    SIS Energy Oat Bar 12x70g
    £24.49 GBP
    £24.49 GBP
  • SIS HYDRO | Everyday effervescent electrolyte tablets - Hydration Tablets

    SIS HYDRO | Everyday effervescent electrolyte tablets

    SIS HYDRO | Everyday effervescent electrolyte tablets
    £7.29 GBP
    £7.29 GBP