Choosing the right energy gel is essential for your endurance training and racing. Two popular options are Lightning Endurance’s energy gels and the well-known SiS GO Isotonic Gel. Here’s an honest, practical comparison to help you decide which fits your fueling strategy best.
What is an isotonic gel?
Isotonic gels are designed to match the body’s natural fluid balance, so you can take them without needing to drink extra water. This makes them convenient for runners, cyclists, and triathletes who want quick energy without worrying about hydration timing.
SiS GO Isotonic Gel – what to expect
SiS is known for its GO Isotonic Gel, which offers:
- Water-like texture that’s easy to swallow without extra water
- Approximately 22g carbohydrates per gel
- Simple, mild flavours to reduce taste fatigue
- Wide availability in cycling and running shops
It’s a popular choice among athletes looking for a very light, drinkable gel during training and races.
Lightning Endurance Isotonic Energy Gel
Lightning Endurance’s isotonic energy gel is designed for similar ease-of-use, with its own unique approach:
- Isotonic formula for easy absorption without needing extra water
- Clear, honest ingredients without unnecessary colourings
- Balanced carbohydrate blend designed for consistent energy
- Tested and refined for natural flavours and smooth texture
Our focus is on transparency and a clean label, making it easy for athletes to know exactly what they're fueling with.
Key differences to consider
While both gels are isotonic and convenient on the move, here’s how they compare:
| Feature | Lightning Endurance Isotonic Gel | SiS GO Isotonic Gel |
|---|---|---|
| Texture | Smooth and easy to swallow without water | Very fluid, almost drinkable |
| Carbohydrate content | Balanced blend for steady energy | Approx. 22g carbs per gel |
| Ingredients | Natural flavours, no unnecessary colourings | Simple, minimal ingredient list |
| Flavour options | Developed for natural taste, tested with athletes | Wide range of classic flavours |
Which one is right for you?
It depends on your personal preferences and training needs. If you want a very light, almost drink-like gel, SiS GO Isotonic is a proven choice. If you prefer a clean label with natural ingredients and a balanced energy blend, Lightning Endurance Isotonic Gel is designed for you.
We recommend testing both in training to see which texture, flavour, and energy delivery works best for you on race day.
Our promise
Lightning Endurance is committed to clear, honest, and practical sports nutrition. Our gels are designed to make fueling simple, so you can focus on your goals.
Ready to try our isotonic gels for yourself?
