IONTMAX
Hydration Drink HD 500 800 g

IONTMAX Hydration Drink HD 500 is a hypotonic isotonic powdered drink designed for effective replenishment of fluids and electrolytes during physical activity. Each serving (20 g / 500 ml) contains a complex of 4 electrolytes – sodium (250 mg), potassium, magnesium, and calcium – supplemented with vitamin C. With an osmolality of approximately 147 mOsm/kg, it supports rapid water absorption. It contains no artificial flavourings or sweeteners and is vegan-friendly, gluten-free, and lactose-free. It is recommended for runners, cyclists, triathletes, and hikers.

Preparation is simple: mix 1 scoop or 1 sachet (20 g) in 500 ml of water and consume as needed before, during, or after physical activity. We do not recommend increasing the dosage beyond the stated amount – a higher concentration would alter the drink's osmolality and reduce the speed of water absorption. The 800 g pack contains a total of 40 servings, which, at one serving per day, provides a supply for almost 6 weeks of regular training.

IONTMAX HD 500 is designed for hydration before, during, and after physical activity. It provides the greatest benefit during long-duration exertion, increased sweating, or hot weather, when the body loses large amounts of electrolytes. The hypotonic formula (osmolality ~147 mOsm/kg) ensures rapid absorption, making it particularly effective directly during training or racing. It is recommended to drink continuously in small sips throughout the activity.

A hypotonic drink has a lower concentration of dissolved substances than bodily fluids. IONTMAX HD 500 has an osmolality of ~147 mOsm/kg, which is significantly lower than blood plasma (~285–295 mOsm/kg). Consequently, water is absorbed from the intestinal tract more quickly than with isotonic drinks (~270–330 mOsm/kg). This makes it an ideal choice for long endurance efforts, where the priority is rapid hydration rather than primarily replenishing energy.

One serving (20 g / 500 ml) contains 250 mg of sodium, which is the most important electrolyte lost through sweat. The formula is supplemented with potassium (from potassium chloride), magnesium (from magnesium carbonate), and calcium (from calcium lactate). Magnesium contributes to normal muscle function and helps reduce tiredness, while calcium supports muscle function. The total salt content per serving is 0.64 g (it does not contain sodium chloride).

Yes, IONTMAX Hydration Drink HD 500 is fully suitable for vegans. It contains no animal ingredients or animal-derived by-products. In addition to being vegan-friendly, the product is gluten-free, lactose-free, and contains no dairy components, making it suitable for those with lactose intolerance or coeliac disease. All electrolyte and vitamin sources are of plant or mineral origin, making it a clean choice for vegan endurance athletes.

IONTMAX HD 500 contains no allergens. The product is gluten-free, lactose-free, and free of dairy components. The manufacturer declares that it contains no allergenic substances according to current European standards. It is therefore suitable for people with coeliac disease, lactose intolerance, and those avoiding dairy products. Its natural composition, free of artificial additives, also makes it a safe choice for people with increased sensitivity to synthetic additives.

The 800 g pack contains exactly 40 servings of 20 g each. The drink is available in three flavours: passion fruit, original lemon, and sweet citrus. All flavours are made from natural aromas – the product contains no artificial flavourings or artificial sweeteners. At one serving per day, the pack lasts almost 6 weeks, which represents a significantly lower cost per serving compared to ready-made bottled sports drinks.

One serving (20 g) contains 70 kcal and 17 g of carbohydrates, all of which are in the form of sugars (sucrose). In the prepared drink (500 ml), this represents approximately 3% carbohydrates, allowing the drink to remain hypotonic. It contains no fats or proteins. The energy content comes exclusively from sucrose, which, together with electrolytes, supports water absorption and provides a rapidly accessible energy source during physical activity.

Yes, IONTMAX HD 500 is specifically designed to replace plain water during prolonged physical activity – running, cycling, triathlon, or hiking. During intense sweating, plain water alone is insufficient because it does not replenish electrolytes, especially sodium, the loss of which can lead to hyponatraemia. The hypotonic formula with 250 mg of sodium per serving ensures rapid fluid absorption and maintains electrolyte balance, which is crucial during long-duration performance.

Standard supermarket sports drinks are usually isotonic or hypertonic and contain artificial flavourings, artificial sweeteners (e.g., aspartame, acesulfame K), and food colourings. IONTMAX HD 500 is hypotonic (osmolality ~147 mOsm/kg) with a natural composition free of artificial additives, meaning fluids are absorbed faster. Furthermore, the powder form reduces the cost per serving and minimises plastic waste compared to bottled ready-to-drink beverages.

IONTMAX HD 500 is well tolerated when dosed correctly (20 g / 500 ml of water). The hypotonic osmolality of ~147 mOsm/kg does not cause the digestive distress typical of hypertonic or overly sweet drinks. The product contains no caffeine, artificial sweeteners, or preservatives. Excessive consumption of multiple servings in a row may lead to an electrolyte imbalance, so it is advisable to follow the recommended dosage and not exceed it without reason.

IONTMAX HD 500 can be combined with energy gels during long-duration performances lasting over 90 minutes, such as a marathon, ultramarathon, or long-distance cycling. In such cases, we recommend washing down the gel with plain water or a drink without additional sugar to avoid increasing the total carbohydrate concentration in the digestive tract and altering the hypotonic nature of the drink. Consult a professional regarding the combination with other electrolyte preparations to avoid excessive sodium intake.