The Core Ingredients in SiS Energy Gels
SiS is perhaps best known for its isotonic energy gels, a format designed to be consumed without additional water, ensuring rapid digestion and energy delivery. The primary ingredient across the SiS GO Isotonic Energy Gel range is a carbohydrate called maltodextrin, derived from maize.
Maltodextrin is a complex carbohydrate that is easily broken down and absorbed by the body, providing a quick release of energy to working muscles. Other common ingredients in the gels include:
- Water: The main component, which gives the gel its isotonic properties.
- Gelling Agents: Including gellan gum and xanthan gum, these create the gel's smooth, easy-to-swallow texture.
- Natural Flavoring: Used to create the different fruit flavors.
- Acidity Regulators: Citric acid and sodium citrate help stabilize the mixture and contribute to the flavor profile.
- Preservatives: Such as sodium benzoate and potassium sorbate, to ensure product freshness.
- Sweetener: Acesulfame K is used to provide sweetness without adding a significant amount of sugar.
- Antioxidant: Ascorbic acid (Vitamin C) is included for its antioxidant properties.
The Electrolytes in SiS Hydro Tablets
The SiS GO Hydro effervescent tablets are formulated for hydration, replenishing the electrolytes lost through sweat without adding significant carbohydrates. The ingredients are specifically chosen to restore the body's fluid balance during exercise.
Key components in the tablets include:
- Electrolyte Blend: A mix of sodium bicarbonate, sodium chloride, calcium carbonate, potassium chloride, and magnesium carbonate. These are vital for maintaining fluid balance and preventing cramping.
- Citric Acid: Provides the effervescence and a tangy flavor.
- Bulking Agent: Sorbitol helps form the tablet.
- Inulin: A dietary fiber sometimes included for texture.
- Natural Flavoring and Color: Provide taste and color.
- Sweetener: Sucralose is a zero-calorie sweetener used to improve taste.
- B Vitamins: Vitamins B1, B2, and B6 are added to support energy metabolism.
Ingredient Variations Across SiS Product Lines
While the GO Isotonic Gels and Hydro Tablets serve as foundational products, SiS offers a variety of specialized formulations with different ingredient profiles to meet specific athletic needs.
Caffeine-Enhanced Products
Some SiS products, like the GO Isotonic Energy + Caffeine Gels, incorporate caffeine to increase focus and endurance. Ingredients in these gels are similar to the standard isotonic version but with the addition of caffeine anhydrous. Similarly, caffeinated versions of the Hydro tablets include caffeine.
Electrolyte-Enhanced Gels
The GO Energy + Electrolyte Gels combine the carbohydrate source of the isotonic gel with added electrolytes like sodium, potassium, and magnesium, making them suitable for longer endurance events where sweat loss is a concern.
Recovery Products
SiS offers products designed for post-exercise recovery, such as REGO Rapid Recovery powders. These contain a blend of carbohydrates and protein to help replenish glycogen stores and repair muscle tissue, demonstrating a different ingredient focus from the energy and hydration products.
Comparison of Key SiS Product Ingredients
| Feature | SiS GO Isotonic Energy Gel | SiS GO Hydro Electrolyte Tablet | SiS GO Energy + Electrolyte Gel |
|---|---|---|---|
| Primary Function | Rapid energy delivery | Hydration and electrolyte replenishment | Energy and electrolyte replacement |
| Carbohydrate Source | Maltodextrin (from maize) | Minimal carbs (<1g per serving) | Maltodextrin (from maize) |
| Electrolyte Content | Low sodium (approx. 0.01g) | High (Sodium, Potassium, Calcium, Magnesium) | Moderate (Sodium, Potassium, Magnesium) |
| Hydration Focus | Not primary purpose; doesn't require extra water | Designed for optimal hydration | Dual focus on energy and hydration |
| Added Vitamins | Ascorbic acid (Vitamin C) | B vitamins (B1, B2, B6) | Ascorbic acid (Vitamin C) |
| Calories | Approx. 87 kcal per serving | Approx. 9 kcal per serving | Approx. 89 kcal per serving |
Why SiS Uses These Specific Ingredients
The ingredient choices are backed by sports science, aiming to provide a functional benefit to athletes. For instance, maltodextrin is used over simple sugars in the isotonic gels because it allows for rapid gastric emptying, preventing stomach discomfort common with high-sugar drinks. The specific electrolyte balance in the Hydro tablets is calibrated to match the levels lost in sweat, optimizing rehydration. By offering a range of products with tailored ingredients, SiS enables athletes to choose the right fuel for their specific training needs, whether it's a quick burst of carb energy, calorie-free hydration, or a combined approach for longer efforts.
Conclusion
Ultimately, what are the ingredients in SiS is a question with a multifaceted answer, depending on the specific product. At their core, SiS's flagship products rely on maltodextrin for energy and a precise blend of electrolytes for hydration. The company's commitment to research and its wide range of product formulations, including those with caffeine and added electrolytes, allow athletes to customize their fueling strategies with scientifically-backed nutrition. For more on their research, visit the official Science in Sport's science page.