Protein

Protein is essential for endurance athletes, to ensure your muscles are rebuilt after your activity. Protein products are designed to suit every goal and budget, including Whey Protein, our premium Whey Protein Advanced Isolate +, great tasting Overnight Protein, delicious Protein Bars and the biggest innovation in protein for years – WHEY20. All available in a wide range of sizes and flavours!

View as Grid List

7 Items

per page
Set Descending Direction
Filter By
  1. SiS Advanced Isolate+ Protein Powder - 1kg
    +2Flavours
    SiS Advanced Isolate+ Protein Powder - 1kg
    27% Off
    Was £45.00 Special Price £33.00
    15 Reviews
  2. SiS WHEY20 Gel - 12 pack
    +7Flavours
    SiS WHEY20 Gel - 12 pack
    35% Off
    Was £27.50 Special Price £18.00
    21 Reviews
  3. SiS Whey Protein Bundle
    SiS Whey Protein Bundle
    33% Off
    Was £66.00 £44.00
    0 Reviews
View as Grid List

7 Items

per page
Set Descending Direction