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, budget and taste, including Whey Protein, our premium Whey Protein Isolate, great tasting Overnight Protein, delicious Protein Bars and the biggest innovation in protein for years – WHEY20.
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  1. SiS Protein Bar 55g 20 Pack Mint Chocolate
    Protein Bar - 20 Pack (Mint Chocolate)
    30% Off
    Was £40.00 Special Price £28.00
  2. SiS Protein Bar 55g 20 Pack Chocolate & Peanut
    Protein Bar - 20 Pack (Chocolate & Peanut)
    30% Off
    Was £40.00 Special Price £28.00
  3.  Whey Protein - 1kg (Pineapple & Coconut)
    Whey Protein - 1kg (Pineapple & Coconut)
    43% Off
    Was £30.00 Special Price £16.99
  4.  Overnight Protein - 1kg (Cookies and Cream)
    Overnight Protein - 1kg (Cookies and Cream)
    30% Off
    Was £48.00 Special Price £33.60
  5. SiS Whey Protein 1kg Strawberry
    Whey Protein Powder 1kg Tub - Strawberry
    43% Off
    Was £30.00 Special Price £16.99
  6. SiS Whey Protein 1kg Vanilla
    Whey Protein - 1kg (Vanilla)
    43% Off
    Was £30.00 Special Price £16.99
  7. SiS Overnight Protein 1kg Chocolate
    Overnight Protein - 1kg (Chocolate)
    30% Off
    Was £48.00 Special Price £33.60
    Out of stock
  8. Protein Bar Bundle
    Protein Bar Bundle
    30% Off
    Was £12.00 £8.40
  9. SiS Overnight Protein 1kg Vanilla
    Overnight Protein - 1kg (Vanilla)
    30% Off
    Was £48.00 Special Price £33.60
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