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Subscriptions

Have a particular product you love and buy over and over again? Why not subscribe instead? You choose the product, flavor, and shipping frequency, and in doing so, you'll automatically become an Elite SiS Member! Never worry about running out of your favorite SiS product again.

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  2. REGO Whey Protein 47 oz bag in chocolate flavor
    REGO Whey Protein Strengthen and recover after shorter, intense workouts
    From $89.99
    Member $85.49
  3. SiS HYDRO Tablets 20 pack, in berry flavor
    HYDRO Tablets One tablet for maximum hydration
    From $14.99
    Member $14.24
  4. Beta Fuel 80
    Beta Fuel 80 A convenient dual-source, high-carbohydrate energy mix
    From $57.99
    Member $55.09
  5. GO Electrolyte Powder
    GO Electrolyte Powder The alternative to GO Gels, for optimal hydration and energy
    From $49.99
    Member $47.49
  6. Beta Fuel + Nootropics
    Beta Fuel + Nootropics Boost your brain and your brawn
    From $24.99
    Member $23.74
  7. BETA Fuel Gels
    BETA Fuel Gels Our world-leading carbohydrate gel. Built for endurance
    From $21.99
    Member $20.89
  8. GO Energy + Electrolyte Gels
    GO Energy + Electrolyte Gels Carbs + electrolytes to power and hydrate at once
    From $16.99
    Member $16.14
  9. GO Energy + Caffeine Gels
    GO Energy + Caffeine Gels For a mental and physical boost
    From $16.99
    Member $16.14
  10. GO Isotonic Energy Gels
    GO Isotonic Energy Gels The world's first isotonic energy gel
    From $13.99
    Member $13.29
  11. Beta Fuel Energy Chew
    Beta Fuel Energy Chew 46g of carbohydrates in a chew format
    From $22.99
    Member $21.84
  12. Energy Oat Bar
    Energy Oat Bar Tasty, pocket-sized, and full of carbs
    From $3.49
    Member $3.32
  13. REGO Rapid Recovery
    REGO Rapid Recovery Packed with protein for faster recovery
    From $74.99
    Member $71.24
  14. REGO Clear Recovery
    REGO Clear Recovery Our plant-based solution for intense sessions
    From $39.99
    Member $37.99
  15. HYDRO+
    HYDRO+ Portable electrolytes for anytime, anywhere
    From $13.99
    Member $13.29