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Performance & Athletic Optimization
October 24, 2025

Should I Take Electrolytes? Here's What You Need to Know

Electrolytes do more than hydrate you — they improve energy, muscle recovery, and fat loss. Learn how DEXA Scan helps measure real hydration impact.

Author
5 min read
Should I Take Electrolytes? Here's What You Need to Know

If you’ve ever felt sluggish during a workout, struggled with hydration on hot days, or noticed headaches after long training sessions, electrolytes might be the missing piece. These essential minerals play a major role in energy, hydration, and muscle performance — yet most people don’t get the balance right.

At Kalos, we help clients optimize both training and recovery with precise, data-driven insights from DEXA Scan results. But proper hydration and electrolyte balance are equally important to maintaining the lean mass, energy, and performance that body composition data reflects.

What Are Electrolytes?

Electrolytes are minerals that carry an electrical charge, allowing your body to function properly. The main electrolytes include:

  • Sodium: Regulates fluid balance and muscle contractions.
  • Potassium: Supports muscle function and heart rhythm.
  • Magnesium: Essential for energy production and muscle recovery.
  • Calcium: Helps with nerve signaling and bone health.
  • Chloride: Works with sodium to maintain fluid balance.

These minerals are lost through sweat and urine, which means active individuals — especially those who train in heat — need to replenish them regularly.

Signs You Might Need More Electrolytes

  • Fatigue or dizziness during workouts
  • Muscle cramps or spasms
  • Headaches or brain fog
  • Unusual thirst or dehydration
  • Weakened performance despite consistent training

Even mild electrolyte imbalances can impact how your muscles contract, recover, and grow.

Why Electrolytes Matter for Body Composition

Proper hydration directly affects how your body builds muscle and burns fat. Here’s how:

  • Performance and Endurance: Dehydration reduces training intensity, making it harder to stimulate muscle growth.
  • Recovery and Protein Synthesis: Electrolytes support cellular hydration, which helps muscles repair more efficiently.
  • Water Retention and Weight Fluctuation: Sodium and potassium imbalances can cause bloating, masking actual body composition progress.

When you pair optimal hydration with regular DEXA Scans, you can distinguish between real fat changes and temporary water weight shifts — helping you stay accurate and informed.

How to Use Electrolytes Effectively

1. Replenish Daily if You’re Active

If you sweat regularly, consider supplementing with an electrolyte mix that includes sodium, potassium, and magnesium.

2. Start Simple

A pinch of high-quality sea salt in your water can help balance electrolytes naturally.

3. Avoid Excess Sugar

Many sports drinks are loaded with sugar. Look for low-calorie or sugar-free options instead.

4. Balance with Whole Foods

Include electrolyte-rich foods like bananas, avocados, leafy greens, Greek yogurt, and nuts.

5. Track Body Changes Over Time

A DEXA Scan can help you see if better hydration improves lean mass, reduces fatigue, and stabilizes your fat-to-muscle ratio.

Real-World Example

A Kalos client training for a triathlon noticed extreme fatigue and leg cramps despite eating well. Their DEXA scan showed great lean mass, but hydration markers indicated fluid imbalance. After adding electrolytes daily and adjusting sodium intake around workouts, they reported better endurance and faster recovery — with follow-up scans confirming a leaner, more stable body composition.

Hydration Is More Than Just Water

Water alone isn’t enough if your electrolyte levels are off. Balancing sodium, potassium, and magnesium ensures your body performs at its best, supports muscle recovery, and maintains accurate body composition. With DEXA Scantracking, you can connect improved hydration to real, measurable changes in your physique.

Book Your DEXA Scan with Kalos Today in Downtown San Francisco or Palo Alto!

If you’re ready to take control of your health with the most accurate body composition analysis available, it’s time to book your DEXA scan at Kalos. Whether you’re looking to get lean, build muscle, improve performance, or optimize longevity, our advanced technology and expert guidance will help you get there.

Schedule your scan today at Kalos, your journey to data-driven fitness starts now.

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