Performance-tested, athlete-approvedSLT delivers 1080mg of sodium plus potassium, magnesium, and calcium to support hydration, reduce cramping, and keep you performing under pressure.Built on science and shaped by feedback from elite athletes and everyday endurance users. From gut tolerance to flavour, from dosing to mixability, every detail has been tested, refined, and rebuilt for real-world performance. Tested and certified by Informed Sport. SLT is screened for banned substances so you know exactly what you're putting in your body. Nothing hidden, nothing harmful, just clean, regulated, effective hydration, that you can trust.Years of testing for
demanding conditionsSLT is the result of years of testing and scientific refinement engineered for heavy sweat loss, tough conditions, and serious endurance.From the original SLT05 to SLT07 and now SLT , we’ve spent years adapting the formula to give you the best possible hydration, based on your training and racing conditions. Allowing you to choose the right level of hydration, when it matters most. What fuels every dose of SLT ? High dose, endurance ready Delivers 1080mg sodium per serving — one of the highest on the market — built for serious endurance athletes. Powerful hydration support Designed to help replace key electrolytes lost through sweat and reduce tiredness and fatigue. Backed by science Formulated using research-driven ratios to support energy, focus, and muscle function during endurance activity. Bold flavours, fast mix Fast-dissolving and light on the gut, with clean-tasting Berry & Lime and Orange flavour options. Vegan and gluten-free Vegan friendly and gluten-free so you never have to compromise your regime. Small but powerful Just 7.5g per sachet, easy to carry and delivers a performance-focused electrolyte hit.Four key electrolytes that help maintain hydrationSLT delivers a high-strength sodium dose (1080mg) alongside potassium, magnesium, and calcium - essential minerals that help the body perform under stress and recover efficiently Sodium (Chloride)Supports fluid balance, helps maintain normal blood pressure, and is essential for muscle and nerve function. Potassium (Chloride)Supports normal muscle and nerve function and helps maintain healthy blood pressure levels. Magnesium (Citrate)Helps reduce tiredness and fatigue while supporting energy release, muscle function, and electrolyte balance. Calcium (Malate)Essential for strong bones and teeth, supports muscle function, and plays a key role in energy metabolism.