Gym

Strong nutritional strategies are key in supporting all of your hard work in the gym. Fuel with our Go Energy Range and rebuild your muscles with our Protein Range to help achieve all of your training goals. For more information on recovering from hard training sessions, take a look at our guide to Maximise Your Training Window.

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  • SiS GO Hydro 20 Tablets 8 Pack Lemon

    SiS GO Hydro 20 Tabs - 8 Pack (Lemon)

    005208
    1

    Regular Price: £56.00

    Special Price £27.99

  • Protein Bar Bundle

    Protein Bar Bundle

    protein-bar-bundle
    2

    Regular Price: £12.00

    Special Price £8.99

  • SiS WHEY20 78ml 8 Pack Bundle - Strawberry & Lemon

    SiS WHEY20 78ml 8 Pack Bundle - Strawberry & Lemon

    sis-bundle-26t
    3

    Regular Price: £16.00

    Special Price £10.00

  • SiS Overnight Protein 1kg Vanilla

    SiS Overnight Protein Powder - 1kg (Vanilla)

    016716
    4

    Regular Price: £48.00

    Special Price £39.99

  • SiS Overnight Protein 1kg Cookies & Cream

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

    100303
    5

    Regular Price: £48.00

    Special Price £39.99

  • SiS Mini GO Energy Bar - 20 Pack (Banana Fudge)

    SiS Mini GO Energy Bar - 20 Pack (Banana Fudge)

    200223
    6

    Regular Price: £24.00

    Special Price £19.99

    Out of stock

  • SiS GO Hydro 20 Tablets 8 Pack Berry

    SiS GO Hydro 20 Tabs - 8 Pack (Berry)

    005604
    7

    Regular Price: £56.00

    Special Price £27.99

  • SiS GO Energy Bar 65g 24 Pack Apple & Blackcurrant

    SiS GO Energy Bar - 24 Pack (Apple & Blackcurrant)

    008063
    8

    Regular Price: £35.00

    Special Price £31.49

  • Team Sky SmartShake (600ml)

    Team Sky SmartShake (600ml)

    100141
    9

    Regular Price: £10.00

    Special Price £6.99

  • 800ml SiS Cycling Drinks Bottle - Narrow Neck

    SiS Bottle - Narrow Neck (800ml)

    010080
    10

    Regular Price: £5.00

    Special Price £3.99

  • SiS GO Hydro + Caffeine 20 Tablets 8 Pack Cola

    SiS GO Hydro + Caffeine 20 Tabs - 8 Pack (Cola)

    005703
    11

    Regular Price: £56.00

    Special Price £27.99

  • SiS Mini GO Energy Bar - 20 Pack (Chocolate Fudge)

    SiS Mini GO Energy Bar - 20 Pack (Chocolate Fudge)

    200224
    12

    Regular Price: £24.00

    Special Price £19.99

    Out of stock

  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte Powder - 1kg (Tropical)

    100051
    13

    Regular Price: £17.00

    Special Price £9.79

  • SiS GO Energy Bar 65g 24 Pack Chocolate & Orange

    SiS GO Energy Bar - 24 Pack (Chocolate & Orange)

    008162
    14

    Regular Price: £35.00

    Special Price £31.49

  • SiS SmartShake (600ml)

    SiS SmartShake (600ml)

    100142
    15

    Regular Price: £10.00

    Special Price £6.99

  • SiS WHEY20 78ml Mixed 4 Pack - Strawberry & Lemon

    SiS WHEY20 Mixed 4 Pack (Strawberry & Lemon)

    100070
    16

    Regular Price: £8.00

    Special Price £5.99

  • SiS GO Electrolyte 1kg Lemon Lime

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

    100050
    17

    Regular Price: £17.00

    Special Price £9.79

  • SiS Mini GO Energy Bar - 20 Pack (Red Berry)

    SiS Mini GO Energy Bar - 20 Pack (Red Berry)

    200225
    18

    Regular Price: £24.00

    Special Price £19.99

    Out of stock

  • SiS GO Energy Bar 65g 24 Pack Chewy Banana

    SiS GO Energy Bar - 24 Pack (Chewy Banana)

    008360
    19

    Regular Price: £35.00

    Special Price £31.49

  • SiS WHEY20 78ml 12 Pack - Lemon

    SiS WHEY20 12 Pack (Lemon)

    100068
    20

    Regular Price: £24.00

    Special Price £19.99

  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte Powder - 1kg (Orange)

    100301
    21

    Regular Price: £17.00

    Special Price £9.79

  • 50 Pack Bar Bundle

    50 Pack Bar Bundle

    sis-bundle-11t
    22

    Regular Price: £75.00

    Special Price £59.99

  • SiS Protein Shaker (700ml)

    SiS Protein Shaker (700ml)

    010073
    23

    Regular Price: £5.00

    Special Price £3.99

  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte Powder - 1kg (Blackcurrant)

    100207
    24

    Regular Price: £17.00

    Special Price £9.79

  • SiS WHEY20 78ml 12 Pack - Strawberry

    SiS WHEY20 12 Pack (Strawberry)

    100069
    25

    Regular Price: £24.00

    Special Price £19.99

  • Lean Muscle Training Bundle

    Lean Muscle Training Bundle

    sis-bundle-12t
    26

    Regular Price: £45.00

    Special Price £39.99

  • SiS Mini GO Energy Bar - 20 Pack (Apple & Blackcurrant)

    SiS Mini GO Energy Bar - 20 Pack (Apple & Blackcurrant)

    200221
    27

    Regular Price: £24.00

    Special Price £19.99

    Out of stock

  • Endurance Hydration Bundle Pack - 4 x SiS GO Hydro 20 tabs

    Endurance Hydration Bundle Pack - 4 x SiS GO Hydro 20 tabs

    sis-bundle-6t
    28

    Regular Price: £28.00

    Special Price £19.99

  • SiS Overnight Protein 1kg Chocolate

    SiS Overnight Protein Powder - 1kg (Chocolate)

    016112
    29

    Regular Price: £48.00

    Special Price £39.99

  • SiS Mini GO Energy Bar - 20 Pack (Blueberry)

    SiS Mini GO Energy Bar - 20 Pack (Blueberry)

    200222
    30

    Regular Price: £24.00

    Special Price £19.99

    Out of stock

  • SiS GO Energy Bar Mini 40g 30 Pack Red Berry

    SiS Mini GO Energy Bar - 30 Pack (Red Berry)

    008841
    31

    £35.00
  • GO Caffeine Shot Bundle (4 x 60ml)

    GO Caffeine Shot Bundle (4 x 60ml)

    go-caffeine-shot
    32

    £9.00
  • SiS GO Electrolyte 1.6kg Lemon & Lime

    SiS GO Electrolyte 1.6kg (Lemon & Lime)

    006069
    33

    £26.00
  • SiS GO Energy Bar Bundle

    SiS GO Energy Bar Bundle - Fast Energy Loading

    499996
    34

    £11.00
  • SiS GO Electrolyte 1.6kg Blackcurrant

    SiS GO Electrolyte 1.6kg (Blackcurrant)

    006168
    35

    £26.00
  • SiS GO Electrolyte 40g 18 Pack Lemon & Lime

    SiS GO Electrolyte - 18 Pack (Tropical)

    006441
    36

    £24.00

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