Athlete Member

Simply create an account to unlock extra benefits.

Athlete Member Rewards:
  • Up to 15% off products with membership pricing
  • Earn 5 points for every £1 you spend
  • Redeem your points to save on your favourite products (100 points = £1 off)
  • Access to our subscription service with up to 25% off

Elite Member

Spend £70 every 90 days OR become a subscriber to any product.

Elite Member Rewards:

Everything at an Athlete Member level PLUS:

  • Discounts with your favourite brands
  • Exclusive access to the SiS LAB Range used by Elite Athletes
  • Member only offers on merchandise
  • Training & nutritional insight from SiS experts


Check out the FAQs on SiS+ Rewards here.

Refreshing, great tasting, low calorie electrolyte drink.