Rebuild

Rebuilding your muscles after they have been damaged during training and races is essential for endurance athletes. Our range of proteins is designed to suit every goal and budget, including Whey Protein, our premium Whey Protein Isolate, great tasting Overnight Protein, delicious Protein Bars and the biggest innovation in protein for years – SiS WHEY20.

Grid List

19 Item(s)

  • Protein Bar Bundle

    Protein Bar Bundle

    protein-bar-bundle
    1

    Regular Price: £12.00

    Special Price £8.99

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

    SiS WHEY20 Mixed 4 Pack (Strawberry & Lemon)

    100070
    2

    Regular Price: £8.00

    Special Price £5.99

  • SiS Overnight Protein 1kg Cookies & Cream

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

    100303
    3

    Regular Price: £48.00

    Special Price £39.99

  • SiS Protein Bar 55g 20 Pack Mint Chocolate

    SiS Protein Bar - 20 Pack (Mint Chocolate)

    009497
    4

    Regular Price: £40.00

    Special Price £34.99

  • SiS Overnight Protein 1kg Chocolate

    SiS Overnight Protein Powder - 1kg (Chocolate)

    016112
    5

    Regular Price: £48.00

    Special Price £39.99

  • SiS WHEY20 78ml 12 Pack - Strawberry

    SiS WHEY20 12 Pack (Strawberry)

    100069
    6

    Regular Price: £24.00

    Special Price £19.99

  • SiS Protein Bar 55g 20 Pack Chocolate & Peanut

    SiS Protein Bar - 20 Pack (Chocolate & Peanut)

    009169
    7

    Regular Price: £40.00

    Special Price £34.99

  • SiS WHEY20 78ml 12 Pack - Lemon

    SiS WHEY20 12 Pack (Lemon)

    100068
    8

    Regular Price: £24.00

    Special Price £19.99

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

    SiS WHEY20 78ml 8 Pack Bundle - Strawberry & Lemon

    sis-bundle-26t
    9

    Regular Price: £16.00

    Special Price £10.00

  • 50 Pack Bar Bundle

    50 Pack Bar Bundle

    sis-bundle-11t
    10

    Regular Price: £75.00

    Special Price £59.99

  • SiS Overnight Protein 1kg Vanilla

    SiS Overnight Protein Powder - 1kg (Vanilla)

    016716
    11

    Regular Price: £48.00

    Special Price £39.99

  • NEW - Recovery Bundle

    Recovery Bundle

    sis-bundle-9t
    12

    Regular Price: £94.00

    Special Price £79.99

  • SiS Whey Protein 1kg Vanilla

    SiS Whey Protein Powder - 1kg (Vanilla)

    015719
    13

    Regular Price: £25.00

    Special Price £22.49

  • SiS Advanced Isolate + 1kg Strawberry

    SiS Advanced Isolate + Powder - 1kg (Strawberry)

    100040
    14

    Regular Price: £45.00

    Special Price £39.99

  • SiS Whey Protein 1kg Chocolate

    SiS Whey Protein Powder - 1kg (Chocolate)

    015115
    15

    Regular Price: £25.00

    Special Price £22.49

  • SiS Whey Protein 1kg Strawberry

    SiS Whey Protein Powder - 1kg (Strawberry)

    015016
    16

    Regular Price: £25.00

    Special Price £22.49

  • SiS Advanced Isolate + 1kg Mint Chocolate

    SiS Advanced Isolate + Powder - 1kg (Mint Chocolate)

    100010
    17

    Regular Price: £45.00

    Special Price £39.99

  • Advanced Isolate + Bundle

    Advanced Isolate + Bundle

    sis-bundle-13t
    18

    Regular Price: £100.00

    Special Price £79.99

  • Whey Protein Bundle

    Whey Protein Bundle

    sis-bundle-14t
    19

    Regular Price: £49.00

    Special Price £39.99

Grid List

19 Item(s)