The Sun is beaming in the UK this week which means Hydrate! It also brings electrolytes into focus. And for good reason. As temperatures rise, our bodies lose more fluids through sweat, making it easier to become dehydrated without even realising it.
Whether you’re exercising, travelling, spending time in the sun, or simply trying to stay energised through busy summer days, hydration plays a vital role in everything from physical performance to concentration and recovery. While drinking enough water is important, electrolytes can help take hydration to the next level by replacing essential minerals lost through sweat and supporting optimal fluid balance. If you’re looking to stay on top of your hydration this summer, we’ve rounded up some of our favourite electrolyte products.
Tone Favourite Products for Summer Hydration
1) Truefuels
What: Truefuels Electrolytes is the latest innovation in sports nutrition, created by Olympic champion Alistair Brownlee and rooted in the real-world demands of elite endurance sport. Crafted with clean, high-quality ingredients — including coconut water powder, Himalayan rock salt, potassium and magnesium citrate, and stevia — the formula delivers science-backed hydration without added sugar or artificial fillers. Its sodium-dominant profile helps maintain plasma volume and prevent hyponatremia, while balanced potassium and magnesium support muscle function and reduce cramp risk. Available in Mint and Watermelon, Truefuels’ electrolytes are designed for use before, during, and after exercise, offering a natural, gut-friendly solution for endurance athletes, gym-goers, and anyone serious about performance and recovery.
Where: Online
2) Humantra
What: Selling a sachet every two seconds in the UK, Humantra is fast becoming one of the go-to brands for functional hydration. Designed for daily use, its clean, science-backed formula delivers the key electrolytes and minerals your body needs to maintain fluid balance, energy, and focus — without added sugar or artificial ingredients. Perfect for pre- and post-workout recovery, travel, festivals, or long days in the sun when dehydration can sneak in, Humantra keeps performance and wellbeing in check all summer long. Keep an eye out for limited-edition flavours throughout the year, including its popular Apricot release during Ramadan.
Where: Online
3) SALTE
What:SALTE, the clean Scandinavian electrolyte brand, has expanded its range with two new flavours, Watermelon and Pineapple, bringing even more refreshing options to its science-backed hydration line-up. Designed to support both performance and everyday wellbeing, the new additions deliver the same balanced electrolyte formula in lighter, fruit-forward flavours. Watermelon offers a clean, subtly sweet finish ideal for daily hydration, while Pineapple provides a brighter, more energising taste. Whether you’re training, travelling or simply looking to stay hydrated throughout the day, SALTE’s latest launches are designed to make consistent hydration simple and enjoyable.
Where: Online
4) Good Salt
What: Mode Mix is redefining hydration this summer with a world-first range of functional electrolyte blends designed to support how you feel throughout the day. Available in three targeted formulas Focus, Chill and Move each sachet combines electrolytes with vitamins, minerals and botanicals to help boost concentration, encourage relaxation or aid recovery after exercise. Compact enough for a work bag, gym kit or travel luggage, the single-serve sachets make staying hydrated effortless, with flavours including Raspberry Lemonade, Peach, Strawberry Watermelon and Tropical Punch. A six-sachet selection box is available for £8.99, while full boxes of 26 sachets retail for £29.99.
Where: Online
5) Hiro
What:
Designed with simplicity and effectiveness in mind, Hiro offers a convenient way to support hydration throughout the day. Its electrolyte blends help replenish essential minerals lost through exercise, heat, travel and everyday activity, making it an easy addition to your summer wellness routine. With a focus on clean ingredients and great-tasting flavours, Hiro is ideal for anyone looking to maintain energy levels, improve recovery and stay hydrated during active summer months.
Where: Online
6) Swiss Mountain Rescue Hydration
What: Inspired by the demanding conditions faced by mountain rescue teams, Swiss Mountain Rescue Hydration is formulated to support hydration when performance matters most. Developed with a balance of key electrolytes to aid fluid absorption and recovery, it’s designed for everything from endurance training and outdoor adventures to busy summer days on the go. Whether you’re tackling a hike, travelling abroad, or simply looking to stay refreshed in the heat, Swiss Mountain Rescue Hydration delivers practical, performance-led hydration support.
Where: Online
Why Electrolytes Matter in Summer
During hot weather, the body loses not only water but also important minerals such as sodium, potassium and magnesium through sweat. These electrolytes help regulate fluid balance, support muscle function and maintain energy levels. Replenishing them can be especially beneficial after exercise, long days outdoors, travel, festivals, or any time you’re spending extended periods in the heat.
While water should always be your first hydration priority, electrolyte supplements can be a useful addition when your body needs extra support to stay balanced and performing at its best.
For more recommendations, visit TONE Magazine LDN
