5 Best electrolyte supplements for fasting in 2024

Have you ever wondered why you sometimes feel fatigued or dehydrated despite maintaining a balanced diet, especially during fasting? 

Recent findings suggest that the imbalance of electrolytes in your body might be the culprit behind these unsettling symptoms [1]. 

Electrolytes, such as sodium, potassium, and magnesium, are vital for numerous bodily functions, including maintaining hydration levels, nerve signaling, and muscle contractions. 

When food and fluid intake is reduced, maintaining an optimal electrolyte balance becomes even more crucial during fasting.

Selecting the right electrolyte supplement can be a game-changer for enhancing your fasting experience and ensuring that your body functions efficiently without food. 

This article aims to guide you through the top electrolyte supplements available in 2024, tailored to support your fasting routine. 

You’ll find detailed insights on why these picks stand out, focusing on their benefits, key ingredients, and suitability for various needs.

What are the best electrolyte supplements for fasting?

1. Elm & Rye Electrolyte Supplements

Ever found yourself feeling unusually fatigued or dehydrated, even when you’re careful about your water intake? 

This could signal an imbalance in your body’s electrolytes—essential minerals that are critical in hydrating your body, ensuring nerve and muscle function, and much more [2]. 

Elm & Rye Electrolyte Supplements are designed to tackle this very issue, providing a quick and efficient way to replenish 5 essential vitamins and minerals crucial for your wellbeing, especially when fasting.

Good forNot for
Individuals seeking to hydrate more effectively.People with hyperkalemia (high potassium levels).
Those looking to support muscle and nerve function.Those who are allergic to any of the ingredients.
Pregnant or nursing women without doctor’s approval.
People interested in boosting their energy levels.Individuals with a medical condition without consulting a physician.
Anyone wanting to enhance their skin’s health.Children under the age of 18
People engaging in fasting or intense physical activities

Why should you buy it?

Elm & Rye Electrolyte Supplements are a must-buy for those looking to enhance hydration, energy levels, and overall health, especially during fasting or physical activity. 

Packed with essential vitamins and minerals like potassium, vitamin C, and B vitamins, they support hydration, muscle and nerve function, and energy metabolism. The antioxidant properties of vitamin C also boost skin health and immune support.

Convenient gummy form ensures easy daily intake, making these supplements a simple yet effective way to maintain electrolyte balance and support a range of bodily functions for a healthier lifestyle.

Key ingredients

  • Potassium – vital for maintaining normal fluid levels inside cells, which supports muscle and nerve function and is crucial for the synthesis of protein and metabolism of carbohydrates.
  • Vitamins B6 and B12 – play a significant role in converting food into energy and aiding in the transport of oxygen throughout the body.
  • Vitamin C – contributes to skin health by acting as an antioxidant and strengthening the skin’s barriers.
  • Pantothenic Acid (Vitamin B5) – supports the body in using fats and carbohydrates for energy and is essential in the production of red blood cells [3].
woman wearing eyeglasses drinking from pink water bottle

2. LMNT Zero-Sugar Electrolytes

LMNT Zero-Sugar Electrolytes offers a refreshing boost with its Citrus Salt flavor, perfect for everyone, not just those on a low-carb or keto diet

This energizing, lemon-lime blend is sugar-free, gluten-free, vegan-friendly, and devoid of any dodgy ingredients, making it a staple for hydration and electrolyte replenishment.

Good forNot for
Anyone seeking sugar-free electrolyte replenishment.Individuals looking for high sugar content drinks.
People following low-carb or keto diets.Those who prefer electrolyte sources solely from food.
Those needing hydration pre or post intense activities.People sensitive to stevia or specific natural flavors.
Individuals seeking mental clarity or energy boost.
Vegan, paleo, and keto diet followers.

Why should you buy it?

LMNT Zero-Sugar Electrolytes meets hydration and electrolyte needs without unnecessary sugars or additives. 

Ideal for a wide range of dietary preferences, including vegan, paleo, and keto, LMNT ensures optimal electrolyte balance with a significant dose of sodium, potassium, and magnesium. 

It’s perfect for those seeking a mental or physical boost without compromising their diet or health goals. The variety of flavors, from Citrus Salt to Chocolate Caramel, ensures there’s a taste for every palate, making hydration a deliciously satisfying experience.

Key ingredients

  • Sodium (1,000 mg) – Essential for maintaining fluid balance, sodium is key to preventing dehydration during fasting.
  • Potassium (200 mg) – Supports nerve function and muscle health, crucial for those on fasting regimens.
  • Magnesium (60 mg) – Aids in energy production and muscle relaxation, beneficial for overall well-being during fasting.

3. Zeal Naturals Enhanced Electrolytes Powder

Zeal Naturals Enhanced Electrolytes Powder is the pinnacle of hydration and recovery, tailored for comprehensive wellness. 

With no sugar or calories and powered by Real Salt® for a full spectrum of minerals, this powder boosts muscle recovery and stamina with an impressive dose of potassium, sodium, BCAAs, and B vitamins, ensuring optimal hydration and daily fluid balance.

Good forNot for
Athletes seeking muscle recovery.Pregnant/nursing mothers without physician consent.
Individuals needing daily fluid balance.People with specific medical conditions without physician advice.
Keto, paleo, vegan, and gluten-free diets.Anyone with allergies to the ingredients.
Those wanting a zero-calorie hydration option.
People preferring natural sweeteners.

Why should you buy it?

Zeal Naturals Enhanced Electrolytes Powder is ideal for anyone looking to support hydration, muscle recovery, and stamina without the added sugars and calories found in traditional sports drinks. 

It’s manufactured in an FDA-approved facility, ensuring the highest quality and safety. The range of delicious natural flavors, from Lemon Berry to Cherry Limeade, makes meeting your electrolyte needs a tasty and enjoyable part of your daily routine, essential for those on fasting protocols or high-intensity workouts.

Key ingredients

  • Real Salt® (Sodium) – Provides a rich source of over 60 trace minerals and three times more sodium than leading sports drinks, aiding in hydration and nerve function during fasting.
  • Potassium citrate – Offers six times more potassium compared to competitors, which is vital for cell function and muscle health when regular food intake is limited.
  • Magnesium – Supports energy production, which is crucial during fasting when energy from food is reduced.
  • Zinc – Contributes to immune system health, especially important during fasting when the body is under stress.
  • BCAAs (L-Leucine & L-Valine)Aids in muscle recovery and reduces fatigue, supporting physical activity while fasting.
  • B-Vitamin Complex – Includes a range of B vitamins that assist in maintaining energy levels and metabolic function, compensating for the reduced calorie intake during fasting.

4. LyteShow Electrolyte Drops Sugar-Free for Hydration

LyteShow Electrolyte Drops is a powerful electrolyte-replenishing liquid concentrate designed for the health-conscious. 

Free from unnecessary additives, this non-GMO, vegan, and gluten-free formula seamlessly transforms water into an isotonic beverage that swiftly restores vital electrolytes lost through various physical activities.

Good forNot for
Health-conscious individuals avoiding additives.Those who prefer flavored drinks.
People needing electrolyte replenishment.Individuals looking for a nutrient source with calories.
Vegans and individuals on a Whole30 diet.
Those engaging in exercise, sweating, or fasting.
Persons seeking non-GMO, gluten-free hydration options.

Why should you buy it?

LyteShow Electrolyte Drops are the perfect choice for anyone needing a no-nonsense approach to hydration without extra calories or sweeteners. 

With a balanced ion formula emphasizing magnesium—a vital electrolyte often neglected in other products—LyteShow promotes efficient energy conversion, muscle function, and nerve conduction. 

Its commitment to quality and customer satisfaction is evident in its straightforward, health-oriented ethos, making it a trustworthy companion for hydration.

Key ingredients

  • Magnesium (45 mg) – Essential for energy conversion and muscle and nerve function; often underrepresented in diets.
  • Sodium (125 mg) – Helps maintain fluid balance and is crucial for muscle and nerve operations.
  • Chloride (390 mg) – Works with other electrolytes to balance body fluids and facilitate oxygen exchange [4].
  • Potassium (130 mg) – Key in cell function, heart rhythm stability, and preventing muscle cramps.
  • Zinc (2 mg) – Supports immune health and enzyme function, which is essential during fasting when the body’s needs are heightened.
woman standing with bicycle outside, drinking from blue water bottle

5. Keto Chow Electrolyte Drops or Capsules

Keto Chow Electrolyte Drops or Capsules offer a harmonious blend of vital minerals straight from Utah’s Great Salt Lake. 

These electrolyte supplements, free from sugars and artificial additives, provide the necessary ionic minerals to support your body’s needs, making them a perfect fit for individuals following keto diets or anyone requiring mineral replenishment.

Good forNot for
Good forNot for
Keto, paleo, and low-carb dieters.Those who dislike the taste of mineral water.
Anyone needing balanced electrolyte supplementation.People with specific dietary mineral restrictions.
Individuals seeking clean, pure mineral intake.Anyone who prefers flavored supplements.
Active people post-workout or experiencing fatigue.
Travelers needing to maintain hydration.

Why should you buy it?

Keto Chow Electrolytes are ideal for anyone seeking a straightforward approach to electrolyte supplementation with zero calories, sugars, or artificial ingredients. 

Doctor-approved and GRAS-certified, these supplements provide a balanced mix of essential electrolytes—sodium, potassium, magnesium, and chloride—without leaving residue in hydration packs. 

Perfect for those on the go, they easily integrate into any drink, offering flexible dosing to suit individual needs.

Key ingredients

  • Sodium – Aids hydration and nerve and muscle function, especially when fasting might cause an imbalance.
  • Potassium – Regulates heart rhythm and muscle health, vital during carb restriction and fasting periods.
  • Magnesium – Supports muscle and nerve function and helps generate energy, which is essential when food intake is low.
  • Chloride – Helps maintain proper blood volume, pressure, and pH balance, crucial for overall bodily function.

Closing thoughts

Choosing the right electrolyte supplement can be a game-changer for those committed to fasting or engaging in strenuous activities. 

The products we’ve reviewed offer unique blends of minerals and vitamins essential for maintaining hydration, energy levels, and overall well-being.

Whether you opt for the convenience of Elm & Rye gummies or the pure mineral content of Keto Chow drops or capsules, ensuring your body’s electrolyte balance is crucial for your health. 

Tailor your choice to your lifestyle and listen to your body—it will thank you for the added support during your fasting endeavors.


How can I get electrolytes fast?

To quickly replenish electrolytes, consume a balanced electrolyte drink or supplement with key minerals like sodium, potassium, and magnesium. Opt for a sugar-free, zero-calorie option if possible.

Do you need electrolytes while fasting?

Yes, during fasting, maintaining electrolyte balance is crucial to support vital functions and prevent dehydration. Electrolyte-rich drinks or supplements can help replenish these essential minerals.

Is it OK to drink electrolytes everyday?

Drinking electrolytes daily is generally safe if you choose supplements without excessive sugars and align with your dietary needs, especially when active or in hot climates.

Can I just add salt to water for electrolytes?

Adding salt to water does provide sodium, one of the primary electrolytes, but for a complete electrolyte blend, the inclusion of potassium and magnesium is also important.

[1] https://www.ncbi.nlm.nih.gov/books/NBK541123/
[2] https://healthyhumanlife.com/pages/rehydrate
[3] https://www.mountsinai.org/health-library/supplement/vitamin-b5-pantothenic-acid
[4] https://www.hsph.harvard.edu/nutritionsource/chloride

Photograph: vadymvdrobot/Envato
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