SiS – Science-Backed Energy for Endurance Athletes

Looking for reliable sports supplements for running, cycling, or endurance training? SiS (Science in Sport) offers a wide range of scientifically developed nutrition products – from energy gels to electrolyte drinks. Since 1992, SiS has been working alongside top athletes and scientists to create solutions that support preparation, enhance performance, and speed up recovery after intense efforts.

All SiS products are HFL certified, meaning every batch is tested for banned substances – ensuring absolute trust among amateur and professional athletes alike.

What Makes SiS Supplements Stand Out?

SiS supplements are distinguished by decades of experience, research-driven innovation, and a deep understanding of endurance athletes' needs. Here’s why athletes worldwide trust SiS:

• Global leadership – Trusted by elite sports teams and world champions.
• First-ever isotonic gels – SiS GO Isotonic Gel allows easy carbohydrate intake without the need for additional water, reducing digestive discomfort.
• HFL certification – Each product batch is rigorously tested for banned substances to ensure maximum safety.
• Advanced hydration formulas – SiS GO Hydro tablets provide essential electrolytes without unnecessary calories.
• No added sugars – Most SiS products are free from artificial sweeteners, making them gentle on the stomach.
• Research-based development – All products are crafted based on the latest advancements in endurance sports nutrition.

Thanks to these qualities, SiS supplements are the preferred choice for both amateur enthusiasts and Olympic-level athletes seeking trusted, high-performance solutions.

What Products Does SiS Offer?

The SiS product line is designed to support energy, hydration, and faster recovery throughout endurance training and competitions.

One of their flagship products is the SiS GO Isotonic Gel – the world’s first true isotonic energy gel that provides rapid carbohydrate replenishment without needing extra water.

For maintaining hydration in hot conditions, SiS offers SiS GO Hydro – a low-calorie electrolyte drink that quickly replaces lost minerals.

If you need both energy and hydration, SiS GO Electrolyte combines carbohydrates and electrolytes in one powerful formula.

For longer sessions and races, SiS provides natural SiS GO Energy Bars, made from real fruits and designed for quick, efficient energy delivery.

When you need an extra mental and physical boost, SiS GO + Caffeine Gels deliver energy enhanced with caffeine for sharper focus and increased intensity.

After tough sessions or competitions, SiS REGO Rapid Recovery offers a balanced recovery drink rich in protein and carbohydrates to restore glycogen stores and support muscle repair – perfect for athletes aiming to speed up their recovery and be ready for the next challenge.

Why Are Electrolytes and Energy Important in Endurance Sports?

During exercise, the body loses not just water but vital electrolytes such as sodium, potassium, and magnesium. These minerals are critical for maintaining muscle function, nerve transmission, and overall endurance.

Electrolyte drinks and energy gels help maintain hydration, prevent cramps, and sustain peak performance for longer durations.

SiS supplements empower athletes to train harder, recover faster, and perform better.

Where to Buy SiS Supplements?

Explore a full range of SiS energy gels, electrolyte powders, energy bars, and more at Sportpoint.lt. Discover science-backed solutions to fuel your endurance journey and enjoy sustainable progress with every step!