Should You Take Electrolytes?
Should You Take Electrolytes? An Honest Answer.
Electrolytes have had quite a moment. Brightly coloured sachets, bold health claims, sodium counts that would make a sports nutritionist raise an eyebrow. If you've looked at what's out there and wondered whether any of it is actually necessary for someone living a normal, active life - that's a reasonable question, and one that deserves a straight answer.
Not a New Idea
Before electrolytes became as widely talked about as they are today, they were simply minerals. Sodium, potassium, magnesium, calcium - each carrying an electrical charge in the body, each playing a specific role in keeping things working properly. They regulate fluid balance, support muscle contraction, and help the nervous system communicate. You lose them through sweat, urination, and breathing. You replenish them, ideally, through food and drink.
Water rehydrates. What electrolytes do is help the body absorb and retain that hydration effectively, and replace the minerals that water alone cannot restore. That mechanism isn't new or invented by a supplement brand - it's basic physiology. The question worth asking is whether the products built around it are designed for the way most people actually live.
Where the Scepticism Is Justified
A significant proportion of electrolyte products on the market were formulated specifically for endurance performance - and for that purpose, they make sense. People logging serious mileage, sweating heavily for hours, operating at the edge of physical capacity have genuinely different needs. The doses in many of them reflect that reality.
The question is whether those formulations are equally relevant for everyone they're marketed to. Products designed for endurance performance serve a specific and legitimate purpose. For someone whose exercise looks like a run, a gym session, or a cycle followed by a full working day - a formulation built around those demands and the recovery that follows may serve them better.
It's also worth being clear about what the research shows. The case for electrolyte supplementation is strongest in two contexts - longer or more intense sessions where sweat losses are significant, and consistent daily training where proper recovery between sessions compounds over time. For people who exercise regularly and care about performing well day after day, replacing what you lose and recovering properly is where the evidence genuinely points.
Where the Evidence Is Strongest
The clearest and most well-evidenced case for electrolyte supplementation is post-exercise recovery - particularly for people who train consistently, day after day.
A 2023 study published in the Journal of the International Society of Sports Nutrition found that electrolyte-containing beverages produced meaningfully better fluid retention compared to water alone after exercise-induced dehydration. Athletes rehydrating with electrolyte solutions were significantly closer to full hydration than those drinking water only. For someone training daily - whose ability to perform well tomorrow depends on how completely they recover today - that difference matters considerably.
The minerals lost through sweat are real, even at moderate exercise intensities. Research has documented average sweat sodium concentrations of around 35 mmol/L, potassium around 5 mmol/L, and magnesium around 0.8 mmol/L. These losses are not dramatic for a single session. Accumulated across daily training over weeks and months, and in the context of a diet that isn't always as consistent as it could be, they are worth addressing properly.
Why What Goes In Matters
Not all electrolyte products are built with the same logic.
Sodium is widely available in most diets and research suggests that daily dietary intake is generally adequate to offset normal sweat losses for most people. The stronger case for a balanced electrolyte formulation rests on the full mineral picture rather than any single ingredient. Potassium plays an important role alongside sodium in regulating fluid balance - the relationship between the two matters as much as either in isolation. Magnesium is involved in muscle contraction, energy metabolism, and sleep quality, and maintaining adequate levels as part of a consistent daily routine supports overall physiological function.
Neither potassium nor magnesium is impossible to obtain through food. Potassium is found in bananas, sweet potatoes and leafy greens. Magnesium in nuts, seeds and wholegrains. Both are easier to fall short on when diet becomes less consistent - which for most busy people, training daily and eating on the move, it periodically does. A balanced formulation that addresses the full electrolyte profile makes practical sense in that context - not as a replacement for good nutrition, but as a sensible complement to it.
The right question to ask of any electrolyte product is not whether electrolytes matter. They do. The question is whether the doses were designed for your life, or someone else's entirely.
Where Electrolytes+ Fits Into This
Electrolytes+ was built for people who move consistently and need to recover well - whether that's a daily gym session, a run before work, or the kind of regular training that asks something of your body every day.
Formulated with biochemists, it takes a balanced approach across the full electrolyte profile - thoughtfully dosed to support daily recovery and performance rather than peak endurance events. Lower sodium, because for most people dietary intake already covers daily needs. Potassium and magnesium at levels that reflect what consistent training actually depletes over time, and what a busy diet doesn't always reliably replace. A vitamin blend to support the recovery that regular exercise and demanding days both require.
It also goes further than electrolytes alone. L-Theanine - an amino acid found naturally in green tea and the subject of our first Journal article - is included for focus and mental clarity, because the cognitive demands of a full working day don't pause because you've finished your run. Proper hydration and calm, clear focus aren't separate problems. They rarely arrive separately either.
A considered daily supplement for active people - for body and mind, and for days that ask quite a lot of both. Whether you're maintaining a consistent training routine, working toward an event, or simply someone who moves a lot and wants to recover well, it's designed to support the recovery and focus that daily performance demands.
Formulated with biochemists. Manufactured in the UK. Made for everyday performance.
— Ollie B, Co-Founder, GOMO
References
The following studies informed the claims made in this article. Where the evidence is limited or mixed, this is reflected in the language used above.
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Ganio MS, Armstrong LE, Casa DJ, et al. Mild dehydration impairs cognitive performance and mood of men. British Journal of Nutrition. 2011;106(10):1535-1543. - The one to two percent dehydration threshold and measurable effects on concentration and mood.
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Sawka MN, Montain SJ. Fluid and electrolyte supplementation for exercise heat stress. American Journal of Clinical Nutrition. 2000;72(2 Suppl):564S-572S. - Electrolyte losses through sweat and the conditions under which supplementation is and isn't warranted.
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Shirreffs SM, Sawka MN. Fluid and electrolyte needs for training, competition, and recovery. Journal of Sports Sciences. 2011;29 Suppl 1:S39-46. - Electrolyte replacement in the context of training and recovery.
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Kerksick CM, Wilborn CD, Roberts MD, et al. ISSN exercise and sports nutrition review update: research and recommendations. Journal of the International Society of Sports Nutrition. 2018;15(1):38. - Post-exercise rehydration and the role of electrolyte-containing beverages versus water alone.
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Rosanoff A, Weaver CM, Rude RK. Suboptimal magnesium status in the United States: are the health consequences underestimated? *Nutrition Reviews.- 2012;70(3):153-164. - Magnesium intake and dietary shortfalls in Western populations.
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He FJ, MacGregor GA. Beneficial effects of potassium on human health. Physiologia Plantarum. 2008;133(4):725-735. - Potassium's role in fluid balance and physiological function.
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Popkin BM, D'Anci KE, Rosenberg IH. Water, hydration and health. Nutrition Reviews. 2010;68(8):439-458. - The relationship between hydration, electrolyte balance and cognitive and physical performance.