Do you need to drink electrolytes this summer?

Summer brings sunshine, outdoor activities, gardening, walks, bike rides, sports, and family vacations. It also brings something else: sweat.

Because electrolytes are everywhere in the health and fitness world right now, many people wonder whether they should be drinking electrolyte beverages every day.

The answer may surprise you.

What Are Electrolytes?

Electrolytes are minerals that carry an electrical charge. They help control fluid balance, muscle function, nerve signals, and heart rhythm. These are tightly controlled in the body.

Some of the most important electrolytes include:

  • Sodium

  • Potassium

  • Magnesium

  • Calcium

When you sweat, you lose water along with some of these minerals, especially sodium.

Does Everyone Need Electrolyte Drinks?

For most healthy adults, the answer is no.

If you're doing normal daily activities, even on a warm day, drinking water regularly is usually enough to maintain hydration.

Most people also get electrolytes from food. Fruits, vegetables, dairy products, beans, nuts, and balanced meals naturally provide the minerals your body needs.

When Electrolytes Become More Important

Electrolytes become more helpful when fluid losses are higher.

This is most likely when:

  • Temperatures are above 25°C

  • Humidity is above 60%

  • Exercise is intense

  • Activity lasts longer than 60–90 minutes

  • Sweating is heavy

People participating in long runs, cycling events, competitive sports, hiking, or physically demanding outdoor work are more likely to benefit from electrolyte replacement.

Water is still the star

Water remains the most important tool for preventing dehydration.

During long periods of exercise lasting more than 90–120 minutes, experts generally recommend continuing to drink water regularly throughout the activity.

Even when electrolytes are needed, they work best alongside adequate water intake.

What About Sports Drinks?

Sports drinks can help replace fluids and electrolytes, but many contain more sugar than most people need.

A small amount of sugar can improve the absorption of water and electrolytes, but more isn't always better.

For casual exercise, water is usually the simpler and healthier choice.

Signs You May Be Dehydrated

Pay attention to how your body feels.

Common signs of dehydration include:

  • Increased thirst

  • Dry mouth

  • Headache

  • Fatigue

  • Weakness

  • Muscle cramps

  • Nausea

  • Heart palpitations

Some people also notice dried salt crystals on their skin or clothing after heavy sweating.

If you notice these symptoms after being active in the heat, increase your fluid intake and consider replacing electrolytes, especially if you've been sweating heavily.

A Quick Take-Home Message

Electrolytes are important, but they are not something everyone needs to worry about every day.

For most people, water and a healthy diet provide everything needed for proper hydration.

Electrolyte beverages become more useful during long periods of exercise, heavy sweating, and hot, humid conditions.

This summer, keep hydration simple:

Drink water regularly, eat balanced meals, pay attention to thirst, and save the electrolyte drinks for the times your body truly needs them.

Electrolyte Myths We See in Clinic

Myth #1

Everyone needs electrolytes every day (said some influencer on Tik tok)

Nope! Most healthy people get enough electrolytes from food and don't need supplements every day. Water is usually enough for routine hydration. Electrolyte supplements are most helpful during prolonged exercise, heavy sweating, illness with vomiting/diarrhea, or significant heat exposure.

Myth #2

Just add a pinch of sea salt/Himalayan salt/salt blessed by a shaman to your water every day!

Sodium helps your body absorb water, but more is not always better. Most people already consume plenty of sodium through food. Excess sodium can be a risk for increased blood pressure, cardiovascular disease and water retention (I'm looking at you, premenstrual puffiness!)

Myth #3

Plain water just dehydrates you.

Who is trying to sell you their electrolyte powder now?! Water is gold standard for hydration. Claims that tap water or plain water is somehow inadequate are not supported by evidence for healthy adults. Sure, add some fruit, mint, cucumber slices to it, filter it how you like but drink it!

Myth #4

Electrolytes will give you energy. And we need all the energy to do all the things, so drink all the electrolytes!

Electrolytes don't provide energy the way calories do. You may feel better after correcting dehydration, but electrolyte powders themselves are not energy supplements. The "energy boost" is often from improved hydration, caffeine, or simply feeling refreshed. 

Sure - if you add a powder or drops to make your water taste more interesting, you will drink more, and then likely feel better because you are hydrated. But this may not be because of the sodium/potassium/magnesium/calcium component... it's likely something else.

Need help navigating the conflicting health advice online to find out what really matters for you?

Book a Health Discovery consult to see if our evidence-based, compassionate no BS approach is a good fit for you.