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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  •  Overnight Protein - 1kg (Vanilla)

    Overnight Protein - 1kg (Vanilla)

    016716
    1

    Regular Price: £48.00

    Special Price £23.99

  • 800ml SiS Cycling Drinks Bottle - Narrow Neck

    800ml Bottle - Narrow Neck

    010080
    2

    Regular Price: £5.00

    Special Price £2.99

  • GO Caffeine Shot Bundle (4 x 60ml)

    GO Caffeine Shot Bundle (4 x 60ml)

    go-caffeine-shot
    3

    Regular Price: £9.00

    Special Price £4.99

  •  Overnight Protein - 1kg (Cookies and Cream)

    Overnight Protein - 1kg (Cookies and Cream)

    100303
    4

    Regular Price: £48.00

    Special Price £23.99

  • Limited Edition Team Sky Fly Bottle (White)

    Limited Edition Team Sky Fly Bottle (White)

    100324
    5

    Regular Price: £10.00

    Special Price £4.99

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

    Hydration Bundle

    sis-bundle-6t
    6

    Regular Price: £28.00

    Special Price £13.99

  • Mixed Bar Bundle

    Mixed Bar Bundle

    499980
    7

    Regular Price: £24.00

    Special Price £11.99

  • SiS GO Hydro 20 Tablets 8 Pack Lemon

    GO Hydro - 8 Pack (Lemon)

    005208
    8

    £56.00
  • Protein Bar Bundle

    Protein Bar Bundle

    protein-bar-bundle
    9

    £12.00
  • SiS GO Energy Bar Mini 40g 30 Pack Red Berry

    GO Energy Bar Mini - 30 Pack (Red Berry)

    008841
    10

    £35.00
  • SiS GO Electrolyte 1kg Tropical

    GO Electrolyte - 1kg (Blackcurrant)

    100207
    11

    £17.00
  •  GO Hydro (Lemon)

    GO Hydro (Lemon)

    005208-single-
    12

    £7.00
  • SiS GO Electrolyte 1.6kg Lemon & Lime

    GO Electrolyte - 1.6kg (Lemon & lime)

    006069
    13

    £26.00
  • GO Caffeine Shot - Single (Cola)

    GO Caffeine Shot - Single (Cola)

    100201
    14

    £2.25
  • SiS Creatine Monohydrate - 400g (Unflavoured)

    Creatine - 400g (Unflavoured)

    100308
    15

    £10.00
  • SiS GO Hydro + Caffeine 20 Tablets 8 Pack Cola

    GO Hydro + Caffeine - 8 Pack (Cola)

    005703
    16

    £56.00
  • SiS GO Electrolyte 1.6kg Blackcurrant

    GO Electrolyte - 1.6kg (Orange)

    100302
    17

    £26.00
  • SiS GO Hydro 20 Tablets 8 Pack Berry

    GO Hydro - 8 Pack (Berry)

    005604
    18

    £56.00
  • SiS GO Energy Bar 65g 24 Pack Apple & Blackcurrant

    GO Energy Bar - 24 Pack (Apple & Blackcurrant)

    008063
    19

    £35.00
  •  GO Energy Bar Mini - 20 Pack (Apple & Blackcurrant)

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

    200221
    20

    £24.00
  •  Mini GO Energy + Caffeine Bars - 12 Pack (Red Berry)

    Mini GO Energy + Caffeine Bars - 12 Pack (Red Berry)

    200903
    21

    £18.00
  •  GO Electrolyte - 1.6kg (Blackcurrant)

    GO Electrolyte - 1.6kg (Blackcurrant)

    006168
    22

    £26.00
  • GO Caffeine Shot - Single (Tropical)

    GO Caffeine Shot - Single (Tropical)

    100202
    23

    £2.25
  • SiS Glutamine - 400g (Unflavoured)

    L-Glutamine - 400g (Unflavoured)

    100309
    24

    £18.00
  • SiS GO Energy Bar Mini 40g 30 Pack Apple & Blackcurrant

    GO Energy Bar Mini - 30 Pack (Apple & Blackcurrant)

    008643
    25

    £35.00
  • SiS GO Electrolyte 500g - Orange

    GO Electrolyte - 500g (Orange)

    100300
    26

    £11.00
  • SiS GO Electrolyte 40g 18 Pack Lemon & Lime

    GO Electrolyte - 18 Pack (Tropical)

    006441
    27

    £24.00
  • SiS GO Electrolyte 1kg Tropical

    GO Electrolyte - 1kg (Tropical)

    100051
    28

    £17.00
  • SiS GO Energy Bar 65g 24 Pack Chocolate & Orange

    GO Energy Bar - 24 Pack (Chocolate Orange)

    008162
    29

    £35.00
  •  GO Energy Bar Mini - 20 Pack (Blueberry)

    GO Energy Bar Mini - 20 Pack (Blueberry)

    200222
    30

    £24.00
  •  WHEY20 - 12 Pack (Chocolate Orange)

    WHEY20 - 12 Pack (Chocolate Orange)

    200702
    31

    £27.50
  • SiS WHEY20 78ml Mixed 4 Pack - Strawberry & Lemon

    WHEY20 Mixed - 4 Pack (Strawberry & Lemon)

    100070
    32

    £9.00
  •  Mini GO Energy + Caffeine Bars - 30 Pack (Red Berry)

    Mini GO Energy + Caffeine Bars - 30 Pack (Red Berry)

    200901
    33

    £45.00
  • SiS GO Electrolyte 1.6kg Tropical

    GO Electrolyte - 1.6kg (Tropical)

    006465
    34

    £26.00

    Out of stock

  •  GO Hydro - 8 Pack (Pineapple & Mango)

    GO Hydro - 8 Pack (Pineapple & Mango)

    005307
    35

    £56.00
  • SiS Protein Bar 55g 20 Pack Chocolate & Peanut

    Protein Bar - 20 Pack (Chocolate & Peanut)

    009169
    36

    £40.00

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