Bestsellers

These are the top selling products from across our range of sports nutrition products - perfect if you need a pointer to help you on your way.

Grid List

10 Item(s)

  • SiS GO Electrolyte 1kg Lemon Lime

    SiS GO Electrolyte Powder - 1kg (Lemon & Lime)

    100050
    1

    £17.00
  • 800ml SiS Cycling Drinks Bottle - Narrow Neck

    SiS Bottle - Narrow Neck (800ml)

    010080
    2

    £5.00
  • SiS REGO Rapid Recovery Powder - 1kg (Chocolate)

    SiS REGO Rapid Recovery Powder - 1kg (Chocolate)

    100047
    3

    Regular Price: £24.00

    Special Price £13.99

  • SiS WHEY20 78ml 12 Pack - Strawberry

    SiS WHEY20 12 Pack (Strawberry)

    100069
    4

    Regular Price: £24.00

    Special Price £21.99

  • SiS SmartShake (600ml)

    SiS SmartShake (600ml)

    100142
    5

    £10.00
  • SiS GO Hydro 20 Tablets 8 Pack Berry

    SiS GO Hydro 20 Tabs - 8 Pack (Berry)

    005604
    6

    Regular Price: £56.00

    Special Price £49.99

  • SiS Overnight Protein Powder - 1kg (Cookies & Cream)

    SiS Overnight Protein Powder - 1kg (Cookies & Cream)

    100303
    7

    £48.00
  • SiS GO Energy + Double Caffeine Gel - 20 Pack (Double Espresso)

    SiS GO Energy + Double Caffeine Gel - 20 Pack (Double Espresso)

    200220
    8

    Regular Price: £36.00

    Special Price £29.99

  • SiS GO Energy + Electrolyte Gel 60ml 30 Pack Lemon & Mint

    SiS GO Energy + Electrolyte Gel - 30 Pack (Lemon & Mint)

    100024
    9

    £45.00
  • SiS GO Isotonic Gel - Multi Flavour 30 Pack Bundle

    SiS GO Isotonic Energy Gel - Multi Flavour 30 Pack Bundle

    sis-bundle-3n
    10

    Regular Price: £42.00

    Special Price £20.99

Grid List

10 Item(s)