Science In Sport (SiS) Starter Bundle

Science In Sport (SiS) Starter Bundle – $75

Pre-Order Notice:

SiS Beta Fuel products and some flavours of ISO GELS are currently sold out and expected to be restocked by MID to LATE MAY. Any orders placed for this bundle will be processed as pre-orders and will ship once the Beta Fuel inventory arrives. We apologize for the delay and thank you for your patience!

Kickstart your training and racing with the SiS Starter Bundle — the perfect introduction to Science in Sport’s world-class endurance fuel lineup. Designed for athletes who want clean, effective energy for every stage of their workout or competition.

This bundle combines SiS’s Beta Fuel and GO Isotonic Energy Gels with convenient Beta Fuel Energy Chews, giving you a complete fueling system trusted by professional endurance athletes worldwide.

What’s Inside:

• SiS Beta Fuel Energy Gels (x12) – 6 Orange + 6 Strawberry for dual-source carbohydrate delivery and sustained energy.

• SiS GO Isotonic Gel Variety Pack (7 total gels) – One each of Tropical, Apple, Blackcurrant, Cherry, Lemon & Lime, Orange, and Pineapple.

• SiS Beta Fuel Energy Chews (x3) – Compact, easy-to-digest chews providing the same advanced carb ratio for long-lasting endurance.

Why You’ll Love It:
✅ Perfect for athletes new to SiS Beta Fuel or endurance fueling in general
✅ Combines fast-absorbing isotonic gels and longer-lasting chews for complete performance nutrition
✅ Scientifically formulated for sustained energy, hydration, and reduced fatigue
✅ Trusted by elite endurance teams and everyday athletes alike

Whether you’re preparing for your first marathon or fine-tuning your fueling strategy, this bundle has everything you need to train and perform with confidence.

Start strong with SiS, science-backed fuel for your best performance.