Electrolytes, Exercise, and Staying Hydrated at AFAC Gym

Woman outside on a sunny day drinking from a clear blue plastic bottle

Now that we’re at the peak of summer, each day seems hotter than the last. And, with this relentless heat, staying hydrated is more important than ever.

While you may be drinking plenty of water, another essential part of maintaining hydration is consuming enough electrolytes. Found in many different foods, sports drinks, and powdered supplements, electrolytes play a vital role in keeping our bodies functioning optimally.

While athletes are often the primary audience for electrolyte products, anyone can benefit from them, especially when sweating at the gym. In this blog, we’ll explore what electrolytes are, why they’re so important, and how they can help you stay hydrated and healthy inside and outside AFAC gym in Thornton, Colorado.

Understanding the Importance of Electrolytes at the Gym

When you’re an avid gym member, it’s common to focus on the three main macronutrients: carbohydrates, protein, and fat. However, a truly supportive diet for physical activity and overall health goes beyond these. It’s crucial to also ensure your body receives the necessary micronutrients to function at its best. This is where electrolytes come into play.

But what exactly are electrolytes, and why are they important? What happens to them during exercise, and how can you replenish your levels effectively? These minerals are often overlooked, yet they play a key role in maintaining your body’s optimal performance, particularly when you’re breaking a sweat. Let’s dive deeper into the world of electrolytes and discover how to keep them balanced, especially during those intense gym sessions.

What Are Electrolytes?

Electrolytes are minerals that carry an electric charge when dissolved in liquid. The body’s automatic functions, which are necessary for survival, rely on a small electric current, and this is where electrolytes are a star player. The charge they generate supports proper nerve and muscle function, a steady heart rate and rhythm, the transportation of nutrients and waste across cell membranes, and the regulation of blood pressure. Additionally, electrolytes ensure optimal fluid balance and maintain the proper pH level (from 7.36 to 7.44) in tissues and bodily fluids. A healthy pH level is critical to maintain given that the human body is composed of about 60% water.

The primary electrolytes include:

  • Potassium
  • Magnesium
  • Calcium
  • Sodium
  • Phosphate
  • Chloride
  • Bicarbonates

They are present in various bodily fluids, such as blood, lymph, urine, sweat, and more.

Dehydration can lead to a loss of electrolyte minerals, causing illness and other adverse effects. It’s easy to become deficient in electrolytes after an intense workout at the gym or when experiencing illness with symptoms like vomiting and diarrhea.

Severe electrolyte imbalances can result in muscle cramps and twitches, weakness, heart arrhythmias, paralysis, and in extreme cases, cardiac arrest, which can be fatal.

Among the various electrolytes, sodium and potassium are particularly important. They play a significant role in regulating the fluid balance inside and outside of our cells, aiding in hydration.

When you sweat heavily during physical exertion at the gym or experience severe sickness, your body loses a considerable amount of sodium. Therefore, replenishing electrolytes is crucial to maintain balance and overall health.

What Do Electrolytes Do?

Achieving the right balance of electrolytes is required for the body’s optimal performance. Electrolyte balance supports several functions. A few are listed below.

  • Muscle Contraction: Electrolytes like calcium and magnesium are pivotal for muscle contractions. They trigger the process that allows muscles to contract and move, including the heart muscle, enabling it to beat.
  • Fluid Balance: Given that the human body is predominantly water, fluid balance is vital. Electrolytes help regulate this balance, influencing various bodily functions such as breathing, digestion, and temperature regulation. The electrolyte levels in your blood can prompt your kidneys to conserve water during dehydration, ensuring adequate hydration.
  • Nerve Impulse Conduction: The brain, as the control center, constantly sends signals throughout the body. Electrolytes facilitate the movement of electrons across cell membranes, creating a chain reaction that enables nerve impulses.

Each electrolyte plays a unique role in maintaining the body’s functions, and they all work in harmony to ensure you perform and feel your best. Their roles are critical not just for exercise at the gym but for all daily activities.

The Roles of Different Electrolytes

Sodium

  • Balances fluid levels inside and outside cells
  • Regulates blood pressure
  • Facilitates nerve signal transmission
  • Assists in muscle contraction

Potassium

  • Transports nutrients into cells
  • Supports nerve and muscle function, especially in the heart
  • Enhances metabolism

Calcium

  • Strengthens bones and teeth
  • Aids muscle contractions and nerve signaling
  • Stabilizes blood pressure

Magnesium

  • Supports muscle and nerve function
  • Strengthens bones and teeth

Phosphorus/Phosphate

  • Strengthens bones and teeth
  • Aids nerve and muscle function

Chloride

  • Balances fluids inside and outside cells
  • Regulates blood pressure

Bicarbonate

  • Helps maintain blood pH balance

Each of these electrolytes has a distinct and fundamental role, working together to keep your body functioning smoothly and efficiently. Maintaining proper electrolyte levels is essential for overall health and well-being.

Recognizing Electrolyte Imbalance: Signs, Symptoms, and Solutions

Electrolytes are commonly lost through fluids such as sweat or through the gastrointestinal tract. During extended periods of exercise, sodium is a key electrolyte lost through sweat. Sodium and chloride work together to transport fluid throughout the body and stabilize pH levels, making hydration and electrolyte replenishment essential at the gym.

Both deficiencies and excesses in electrolytes can pose health risks. Conditions like hyperchloremia (excess chloride), hyperkalemia (excess potassium), and hypernatremia (excess sodium) can arise from dehydration, excessive sweating, gastrointestinal fluid loss, certain medications, and other health issues.

Symptoms of Electrolyte Imbalance

Electrolyte imbalances can range from mild to severe, depending on the specific nutrient deficiency or excess. Common symptoms include:

  • Fatigue
  • Confusion
  • Nausea or vomiting
  • Fast or irregular heartbeat
  • Dizziness
  • Muscle cramps, spasms, or weakness
  • Abdominal cramps
  • Irritability
  • Headaches
  • Diarrhea or constipation
  • Numbness or tingling in the extremities

Specific Electrolyte Deficiencies and Their Effects

Sodium

  • Dehydration
  • Muscle cramps
  • Fatigue
  • Confusion
  • Seizures
  • Coma

Potassium

  • Irregular heartbeat
  • Constipation
  • Fatigue
  • Muscle weakness or spasms
  • Numbness or tingling

Magnesium

  • Unusual eye movements
  • Fatigue
  • Convulsions
  • Muscle spasms, cramps, and weakness
  • Numbness

Calcium

  • Muscle cramps
  • Dry skin
  • Brittle nails
  • Memory problems
  • Confusion
  • Depression
  • Irritability

Phosphorus

  • Low appetite
  • Anxiety
  • Joint stiffness
  • Weakness
  • Bone pain
  • Breathing problems

Diagnosing and Treating Electrolyte Imbalance

If you suspect an electrolyte imbalance, an electrolyte panel—a blood test administered by your doctor—can measure your levels. Based on the results, your doctor may recommend treatments to restore balance.

The only definitive way to confirm an imbalance is through a blood test. Severe imbalances might require IV fluids, medications, or hemodialysis. For minor imbalances, dietary adjustments can help replenish electrolyte levels.

Electrolyte imbalances, whether due to excess or deficiency, can lead to various health problems. Severe imbalances can have significant mental and physical effects and may result in coma, seizures, or cardiac arrest.

How Does Exercise Impact Electrolyte Levels?

When you exercise, the primary factor influencing electrolyte loss is the amount you sweat. As your body regulates its temperature and functions, sweating not only depletes your body of fluids but also drains electrolytes that help keep you hydrated and balanced. Consequently, the more you sweat, the more electrolytes you lose.

Factors Influencing Water and Electrolyte Loss During Exercise

Various elements contribute to the loss of water and electrolytes. However, the exact amount lost varies from person to person, and intense sweating from exercise is just one of several factors.

Exercise Conditions

  • Exercising in hot or humid weather
  • High-intensity workouts
  • Extended periods of physical activity (typically longer than 60-90 minutes)
  • Wearing non-breathable clothing

Individual Considerations

  • Age
  • Gender
  • Hydration status
  • Diet
  • Body size/composition

Other Factors

  • Vomiting
  • Diarrhea
  • Spending extended time in hot or humid conditions (without exercising)
  • Individuals who naturally sweat excessively

An average person exercising for 60 minutes or less in cooler weather, with typical sweat levels, does lose electrolytes, but not to a degree that should cause significant concern. However, those engaging in prolonged physical activity, exercising in hot conditions, or who tend to sweat more heavily should be more mindful of their electrolyte loss. Regardless of the scenario, always stay hydrated with water.

Electrolyte imbalances frequently occur in older adults and individuals with conditions such as kidney disease, heart failure, acute pancreatitis, respiratory failure, eating disorders, and burns. If you’re prone to electrolyte imbalances, make sure to replenish these minerals by consuming foods and beverages that contain sodium, chloride, potassium, calcium, and magnesium.

What Can I Eat to Get More Electrolytes?

Eating a nutritious diet with plenty of whole foods generally provides most of the electrolytes you need. Fruits and vegetables, such as spinach, citrus fruits, watermelon, and leafy greens, are rich in electrolytes.

Many people believe that replenishing electrolytes and water means drinking a sports drink. However, the human body can synthesize some electrolytes, and you can boost electrolyte levels by consuming high-mineral foods. Here are some excellent food sources of electrolytes:

Fruits

  • Avocado
  • Bananas
  • Olives
  • Oranges
  • Strawberries
  • Watermelon
  • Pomegranates

Vegetables

  • Beet greens
  • Broccoli
  • Chard
  • Kale
  • Mushrooms
  • Potatoes
  • Spinach
  • Sweet potatoes
  • Tomatoes
  • Zucchini
  • Acorn squash

Beans and Legumes

  • Black beans
  • Kidney beans
  • Lima beans
  • Soybeans
  • White beans

Nuts and Seeds

  • Almonds
  • Cashews
  • Chia seeds
  • Peanuts
  • Pumpkin seeds
  • Sunflower seeds
  • Quinoa

Meat and Alternatives

  • Chicken
  • Tofu
  • Turkey
  • Veal

Seafood

  • Cod
  • Halibut
  • Salmon
  • Tuna
  • Trout
  • Clams

Dairy

  • Buttermilk
  • Milk
  • Yogurt
  • Cheese

Other Foods

  • Canned soup
  • Dark chocolate
  • Fortified cereal
  • Pickles and pickle juice
  • Pretzels
  • Raisins
  • Whole grains
  • Brown rice

What Can I Drink to Get More Electrolytes?

For a quick boost, consider drinking electrolyte-infused waters, coconut water, sports drinks, Pedialyte, or mixing electrolyte tablets or powders with water. If you choose a sports drink, be mindful of its sugar content, as a standard 12-ounce bottle can contain over 20 grams of added sugar, exceeding half of the recommended daily intake.

Although sports drinks like Gatorade are often marketed to athletes, electrolyte supplements are usually lower in sugar and packed with minerals, possibly making them better alternatives. If you are sensitive to caffeine, check the label, as some products may contain caffeine or other energy-boosting ingredients.

These beverages are convenient for quickly replenishing electrolytes, especially when you don’t have access to food:

  • Electrolyte water
  • Tap or bottled water with lemon juice
  • Coconut water
  • Sports drinks (watch for added sugar)
  • Fruit juice (watch for added sugar)
  • Green tea
  • Bone broth
  • Regular milk or non-dairy milk

If your workouts last 60 minutes or longer, consuming a sports drink or another electrolyte-rich beverage can help maintain electrolyte levels. These fluids are also beneficial when electrolytes are lost due to illness, such as the flu.

What to Do for Severe Electrolyte Imbalances

While foods, beverages, and supplements can help correct minor electrolyte imbalances, severe imbalances may require more intensive interventions, such as IV fluids, medications, or hemodialysis. Always consult a dietitian or healthcare provider to determine the best approach based on the level and cause of the imbalance.

Electrify Your Workouts at AFAC Gym

Maintaining proper electrolyte balance is required for overall health and optimal physical performance, especially during intense exercise or in hot weather. Electrolytes play a vital role in muscle function, fluid balance, and nerve impulse transmission, making them indispensable for both athletes and everyday individuals.

A nutritious diet rich in fruits, vegetables, nuts, seeds, dairy, and lean proteins can provide most of the electrolytes your body needs. However, during periods of intense physical activity or when experiencing illness, supplementing with electrolyte-infused beverages or supplements can help quickly restore balance.

Whether you’re a professional athlete or someone looking to stay healthy, paying attention to your electrolyte intake can make a significant difference in how you feel and perform. Stay hydrated, consume a balanced diet, and consider electrolyte supplements when necessary to keep your body functioning at its best.

If you’ve been searching for the perfect local gym, we hope you’ll stop by AFAC to take a tour of our gym and speak to our team about our affordable memberships. AFAC gym is committed to supporting your health and wellness efforts, so you’ll see the results you’re working so hard for. That’s why we were voted the best gym in Thornton, Colorado, and have hundreds of 5-star reviews.

To learn more about our top-rated gym and our incredible array of strength training and cardio equipment — as well as our unique offerings and amenities like daily group classes, cryotherapy, InBody 770 assessments, hydro massage, and our rock climbing wall and cave — we hope you will contact us or visit for a personalized tour. Our team will be happy to help you. For more information and assistance, you can also contact our gym owner, Susan, at 720-849-0245 or susan@adventurefitness.club.