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 Energy Bar Mini 40g 30 Pack Red Berry

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

    008841
    1

    Regular Price: £35.00

    Special Price £31.99

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

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

    008063
    2

    Regular Price: £35.00

    Special Price £31.49

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  • Team Sky SmartShake (600ml)

    Team Sky SmartShake (600ml)

    100141
    3

    Regular Price: £10.00

    Special Price £4.99

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  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte 1kg Tropical

    100051
    4

    Regular Price: £17.00

    Special Price £9.99

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

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

    008162
    5

    Regular Price: £35.00

    Special Price £31.49

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  • SiS SmartShake (600ml)

    SiS SmartShake (600ml)

    100142
    6

    Regular Price: £10.00

    Special Price £4.99

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  • SiS GO Electrolyte 1kg Lemon Lime

    SiS GO Electrolyte 1kg Lemon & Lime

    100050
    7

    Regular Price: £17.00

    Special Price £9.99

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

    SiS GO Energy Bar Mini 40g 30 Pack - Apple & Blackcurrant

    008643
    8

    Regular Price: £35.00

    Special Price £31.99

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  • SiS GO Energy Bar 65g 24 Pack Chewy Banana

    SiS GO Energy Bar 65g 24 Pack - Chewy Banana

    008360
    9

    Regular Price: £35.00

    Special Price £31.49

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  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte 1kg Raspberry

    100206
    10

    Regular Price: £17.00

    Special Price £9.99

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  • SiS WHEY20 78ml 12 Pack - Lemon

    SiS WHEY20 78ml 12 Pack - Lemon

    100068
    11

    Regular Price: £24.00

    Special Price £19.99

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  • SiS GO Energy Bar Mini 40g 30 Pack Blueberry

    SiS GO Energy Bar Mini 40g 30 Pack - Blueberry

    008049
    12

    Regular Price: £35.00

    Special Price £31.99

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  • SiS GO Electrolyte 500g - Lemon & Lime

    SiS GO Electrolyte 500g - Lemon & Lime

    006052
    13

    Regular Price: £11.00

    Special Price £9.89

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  • 50 Pack Bar Bundle

    50 Pack Bar Bundle

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    14

    Regular Price: £75.00

    Special Price £64.99

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  • 700ml SiS Protein Shaker

    700ml SiS Protein Shaker

    010073
    15

    Regular Price: £5.00

    Special Price £4.49

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  • SiS GO Electrolyte 1kg Tropical

    SiS GO Electrolyte 1kg Blackcurrant

    100207
    16

    Regular Price: £17.00

    Special Price £9.99

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  • SiS WHEY20 78ml 12 Pack - Strawberry

    SiS WHEY20 78ml 12 Pack - Strawberry

    100069
    17

    Regular Price: £24.00

    Special Price £19.99

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  • SiS GO Energy Bar Mini 40g 30 Pack Chocolate Fudge

    SiS GO Energy Bar Mini 40g 30 Pack - Chocolate Fudge

    008148
    18

    Regular Price: £35.00

    Special Price £31.99

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  • SiS GO Electrolyte 500g - Raspberry

    SiS GO Electrolyte 500g - Raspberry

    006557
    19

    Regular Price: £11.00

    Special Price £9.89

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  • SiS GO Electrolyte 500g - Blackcurrant

    SiS GO Electrolyte 500g - Blackcurrant

    006151
    20

    Regular Price: £11.00

    Special Price £9.89

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  • Lean Muscle Training Bundle

    Lean Muscle Training Bundle

    sis-bundle-12t
    21

    Regular Price: £45.00

    Special Price £39.99

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  • SiS GO Energy Bar Mini 40g 30 Pack Banana Fudge

    SiS GO Energy Bar Mini 40g 30 Pack - Banana Fudge

    008247
    22

    Regular Price: £35.00

    Special Price £31.99

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  • SiS GO Electrolyte 500g - Tropical

    SiS GO Electrolyte 500g - Tropical

    006458
    23

    Regular Price: £11.00

    Special Price £9.89

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  • SiS GO Hydro 20 Tablets 8 Pack Lemon

    SiS GO Hydro 20 Tablets 8 Pack - Lemon

    005208
    24

    £56.00
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  • Protein Bar Bundle

    Protein Bar Bundle

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    25

    £12.00
    More Info Button
  • SiS WHEY20 78ml 8 Pack Bundle - Strawberry & Lemon

    SiS WHEY20 78ml 8 Pack Bundle - Strawberry & Lemon

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    26

    £16.00
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  • GO Caffeine Shot Bundle (4 x 60ml)

    GO Caffeine Shot Bundle (4 x 60ml)

    go-caffeine-shot
    27

    £9.00
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  • SiS Overnight Protein 1kg Vanilla

    SiS Overnight Protein 1kg - Vanilla

    016716
    28

    £48.00
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  • SiS Overnight Protein 1kg Cookies & Cream

    SiS Overnight Protein 1kg - Cookies & Cream

    100303
    29

    £48.00
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  • SiS GO Electrolyte 1.6kg Lemon & Lime

    SiS GO Electrolyte 1.6kg - Lemon & Lime

    006069
    30

    £26.00
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  • SiS GO Energy Bar Bundle

    SiS GO Energy Bar Bundle - Fast Energy Loading

    499996
    31

    £11.00
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  • SiS GO Energy Bar Mini 40g 20 Pack - Banana Fudge

    SiS GO Energy Bar Mini 40g 20 Pack - Banana Fudge

    200223
    32

    £24.00

    Out of stock

  • SiS GO Hydro 20 Tablets 8 Pack Berry

    SiS GO Hydro 20 Tablets 8 Pack - Berry

    005604
    33

    £56.00
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  • 800ml SiS Cycling Drinks Bottle - Narrow Neck

    800ml SiS Bottle - Narrow Neck

    010080
    34

    £5.00
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  • SiS GO Electrolyte 1.6kg Blackcurrant

    SiS GO Electrolyte 1.6kg - Blackcurrant

    006168
    35

    £26.00
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  • SiS GO Hydro + Caffeine 20 Tablets 8 Pack Cola

    SiS GO Hydro + Caffeine 20 Tablets 8 Pack - Cola

    005703
    36

    £56.00
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