Coffee, alcohol, sweat: the everyday things draining your minerals
on July 17, 2026

Coffee, Alcohol, and Sweat: The Everyday Things Draining Your Minerals

Mineral loss is not just an athlete problem. Three ordinary parts of daily life, your morning coffee, an evening drink, and everyday sweat, each pull minerals out of your body. None of them is dramatic on its own. Together, day after day, they add up to a steady drain most people never account for.

Coffee

Caffeine has a mild diuretic effect, which means it nudges your body to release more fluid, and some minerals go with it. The effect of a cup or two is modest, and regular coffee drinkers adapt somewhat. But if your day runs on several cups, the losses accumulate, and caffeine can also modestly interfere with how much magnesium you hold onto. It is not a reason to quit coffee. It is a reason to replace what it costs.

Alcohol

Alcohol is the more aggressive of the two. It is a stronger diuretic, so it increases fluid and electrolyte loss, and it specifically increases the excretion of magnesium. This is part of why a rough morning after drinking feels the way it does: you are dehydrated and down on minerals at the same time. Even moderate, regular drinking keeps a low-level drain running.

Sweat

You lose minerals through sweat whether or not you are exercising. A hot day, a warm office, a physical job, or a sauna all pull out sodium and potassium, and to a lesser degree magnesium. People in hot climates or physical trades can lose meaningful amounts without ever setting foot in a gym. Exercise adds to this, but it is not the only source.

The compounding problem

Here is why this matters more than any single factor suggests. Most people already start low, since national surveys find roughly half of Americans short on magnesium before any of this. Layer daily coffee, regular drinks, and everyday sweat on top of an already-thin baseline, and you can spend most of your life mildly under-mineralized without any obvious cause. The tiredness, the occasional cramp, the afternoon fog get blamed on everything except the quiet, cumulative drain.

Everyday drain Main minerals affected
Coffee and caffeine Fluid, some magnesium
Alcohol Fluid, magnesium, electrolytes
Everyday sweat and heat Sodium, potassium, some magnesium

Staying ahead of it

You do not have to give up coffee or move to a cold climate. The practical move is to replace minerals at the same steady pace you lose them, which is the argument for a daily habit rather than occasional catch-up. A daily serving with electrolytes, well-absorbed magnesium, and trace minerals offsets the ordinary drain without added sugar riding along. That is what Tune Current is built for: a daily foundation that keeps pace with the everyday things pulling your minerals down. Pairing it with your morning coffee is a natural fit, since it offsets exactly what the coffee costs. For more on why volume of water alone does not fix this, see why drinking more water isn't fixing your hydration.

FAQ

Does coffee dehydrate you?

Caffeine has a mild diuretic effect, so it contributes to fluid and some mineral loss, though the effect of moderate coffee is modest and regular drinkers partly adapt.

Does alcohol deplete magnesium?

Yes. Alcohol increases magnesium excretion and acts as a diuretic, which is part of why heavy drinking leaves you dehydrated and low on minerals.

Do I lose electrolytes even without exercising?

Yes. Heat and everyday sweat pull out sodium and potassium regardless of whether you work out.

Current is a dietary supplement. These statements have not been evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease.