SiS Allergen-Friendly Sports Nutrition: What Every Athlete Needs to Know

At BikeChain, we know that elite performance starts with smart fuelling—but for many athletes, that includes managing allergies or dietary restrictions. That’s why we’re proud to stock Science in Sport (SiS)—a brand that not only leads in performance nutrition but also offers clear transparency around allergens and dietary suitability.

Whether you follow a vegan lifestyle, have dairy sensitivities, or are gluten-free, SiS has options for you. Here’s your guide to SiS products based on their allergen content and dietary suitability, straight from the latest SiS Allergen Card (AUS).

Quick Guide: Dietary Symbols on SiS Products

• ✓ Vegetarian – Suitable for vegetarians
• ✓ Vegan – Suitable for vegans
• X – Does not contain that allergen
• ✓ in allergen column – Contains the allergen

Top Vegan & Vegetarian Products at a Glance

Looking for vegan endurance nutrition? You’re covered with the following popular options:

Vegan-Friendly SiS Products:

All of the above are vegan and contain zero animal-derived ingredients.

Vegetarian-Only (Not Vegan):

• REGO Whey Protein
• REGO Clear Whey
• Beta Recovery
• GO Energy Bake
• GO Energy Oat Bar

Common Allergens – What to Watch For

Here’s how SiS stacks up when it comes to the major allergens:

Milk:

• Found in:
  
  
  • REGO Whey Protein
  • REGO Clear Whey
  • Beta Recovery

Note: All powders may contain traces of milk due to cross-contamination risks, even if not listed as an ingredient.

Cereals Containing Gluten:

• Present in:
  
  
  • GO Energy Oat Bar
  • GO Energy Bar Mini
  • GO Energy Bake

Gluten-free? Stick to:

• GO Isotonic Energy Gels
• Beta Fuel Gels & Chews
• Hydro + Electrolyte Powder
• Creatine Powder

Nuts, Peanuts, Soya, Sesame, Egg, Crustaceans, Fish, Molluscs:

• None of the SiS products listed contain these allergens.

Supplement Transparency You Can Trust

SiS goes above and beyond with Informed-Sport Certification, meaning all products are batch-tested for banned substances. Combined with detailed allergen breakdowns, you can fuel with confidence knowing what’s in (and not in) every gel, chew, powder, and bar.

Shop Smart with BikeChain

Looking for vegan energy gels? Whey-free recovery shakes? Or a gluten-free fuelling strategy? You’ll find it all at BikeChain—Australia’s trusted home of Science in Sport.

Explore our customer favourites:

• GO Isotonic Energy Gels – Vegan, gluten-free, fast-acting carbs
• Hydro + Caffeine Tablets – Great for hydration on-the-go
• REGO Cherry Juice – Natural antioxidants and vegan recovery support
• Beta Fuel Gels + Chews – Vegan, high-carb options for endurance events
• REGO Whey Protein – Vegetarian-friendly, ideal for muscle repair

Full Allergen Table: Summary Snapshot

Always refer to product packaging for the most up-to-date information and cross-contamination warnings.

Why This Matters for Aussie Athletes

In Australia’s harsh training conditions—where heat, humidity, and gut sensitivity can impact performance—knowing exactly what you're fuelling with is crucial. SiS makes it easier than ever to personalise your nutrition without compromising dietary values or health.

Shop SiS Allergen-Friendly Products at BikeChain

BikeChain proudly stocks the full SiS Australia range with fast local shipping, great prices, and detailed product descriptions to guide your purchase.

Browse SiS Vegan & Allergen-Friendly Nutrition Products on BikeChain

Disclaimer

Due to the nature of the manufacturing facility, all powders may contain milk even if not intentionally added. Always refer to individual product labels for complete allergen and cross-contamination information.