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10 Best Electrolytes for Fasting: Top Picks for 2025
Fasting has become a popular method for improving health and wellness, with many individuals seeking to enhance their experiences through supplemental aids. Among those aids, electrolytes play a pivotal role. The best electrolytes for fasting help maintain hydration, support muscle function, and aid mental clarity during fasts. In this article, we explore the top 10 products available on Amazon to assist you during your fasting periods.
1. Dr. Berg’s Electrolyte Powder
Best for: Comprehensive Mineral Support
Dr. Berg’s Electrolyte Powder is a popular choice for those fasting, as it offers a blend of essential minerals designed to replenish what is lost during fasting. This product contains potassium, magnesium, and sodium, which together help to mitigate fatigue and cramping.
- ELECTROLYTE POWDER NO SUGAR – Each serving contains 1000 mg of potassium and 40 mg of sodium from pink Himalayan salt. Ideal for replenishing electrolytes during physical activity or exposure to heat. Additionally, this electrolyte powder offers a very unique blend of calcium, magnesium, and trace mineral complex. This refreshing and delicious Strawberry Lemonade flavor includes 50 servings.
- POWERFUL HYDRATION SUPPORT – Our sugar-free electrolyte formula features a complete profile of key electrolytes plus a premium trace mineral complex to support peak hydration. Add one scoop to 16 oz of water. Shake or stir the electrolyte mix well. Allow 5–10 minutes for full dissolution, as no dissolving agents are used.
- CLEAN FORMULA – Our zero-sugar electrolyte powder stands out with a clean, premium quality blend you can feel with every sip. No junk fillers, no unnecessary sugars—just a powerhouse blend of essential electrolytes. Feel the difference in your endurance, performance, and recovery.
- KETO-FRIENDLY, SUGAR-FREE ELECTROLYTES – Designed by Dr. Eric Berg, “The Knowledge Doc,” this sugar free electrolyte powder supports energy, hydration, and muscle function—without sugar, carbs, or gluten.
- 𝟯𝟬-𝗗𝗔𝗬 𝗚𝘂𝗮𝗿𝗮𝗻𝘁𝗲𝗲 - If for any reason you're not happy with the results you experience within the first 30 days, we're happy to give you a full refund! Send us a message, and the refund will be processed as long as it's requested within 30 days of purchase.
Product Review
This electrolyte powder is unique due to its high concentration of potassium compared to other available options. It is keto-friendly, sugar-free, and contains no artificial flavors or colors. Many users appreciate the clean, refreshing taste, making it easy to integrate into daily fasting routines. The formula dissolves well in water, making it convenient for on-the-go hydration.
Pros
- High potassium content
- Keto-friendly and sugar-free
- Easy to mix and enjoy
Cons
- Flavor variety may be limited
- Higher price point compared to some competitors
2. Ultima Replenisher Electrolyte Powder
Best for: All-Natural Ingredients
Ultima Replenisher is praised for being a clean, all-natural electrolyte solution that is free from artificial ingredients. This powder is suitable for a variety of diets, including vegan and gluten-free, making it popular among those who are health-conscious.
- Refresh and replenish: Ultima electrolytes powder delivers everyday hydration packed with 6 key electrolytes, vitamin C, zinc and delicious plant-based flavors; Ultima electrolytes provide enhanced hydration with 0 sugar, calories or carbs
- Naturally delicious: Electrolyte drink mix made with 6 key electrolytes - magnesium, calcium, potassium, chloride, phosphorus and sodium, as well as vitamin C and zinc; naturally sweetened with organic stevia leaf and infused with real fruit flavors
- What’s inside: Variety pack with Lemonade, Grape, Raspberry, Cherry Pomegranate and Orange; electrolyte drink mix replenishes electrolyte levels without sugar, calories or artificial sweeteners; sugar free, gluten free, vegan, keto friendly, Non-GMO
- Take it with you: This 20-serving Variety pack of our electrolyte powder packets is perfect for on the go and exploring different flavors; simply add 1 stickpack to 16 ounces of water and shake or stir well, then add ice if you’d like it cold
- The Ultima difference: We’ve spent over 25 years taking electrolyte hydration to a delicious new level; you deserve balanced hydration to replenish your body while you’re living your ultimate life, every day
Product Review
With a blend of six electrolytes sourced from organic ingredients, Ultima Replenisher is both refreshing and effective. Users rave about its pleasant flavors, which come naturally from fruit extracts. It’s an excellent choice for maintaining hydration levels, especially during extended fasting periods. Moreover, it comes in a convenient travel-size package, making it easy to take along anywhere.
Pros
- All-natural, organic ingredients
- Variety of flavors available
- Hypoallergenic and vegan-friendly
Cons
- Some users may prefer more intense flavors
- Requires multiple servings for optimal electrolyte balance
3. Electrolyte Powder by LyteShow
Best for: Rapid Hydration
LyteShow’s Electrolyte Powder is designed for rapid hydration, making it a perfect choice for those who need a quick electrolyte boost. This product is packed with electrolytes and minerals directly from nature.
- Whole30 Approved & Clean Hydration – Certified by Whole30, this sugar-free, zero-calorie concentrate supports hydration with no additives or artificial ingredients.
- Support for Fatigue, Dizziness & Cramps – Helps replenish key electrolytes lost through fasting, low-carb diets, intense exercise, or hot environments.
- Keto & Fasting Friendly – Optimized for hydration support during intermittent fasting, ketogenic diets, or anytime your mineral intake is limited.
- Concentrated & Travel-Ready – 40 servings per 4 oz bottle. Easy to mix with water for electrolyte support at the gym, on a hike, or while traveling.
- Backed by Science – Made with ionic sea minerals from the Great Salt Lake, clinically shown to improve hydration better than water alone.
Product Review
LyteShow stands out due to its no-sugar formulation, which makes it an excellent fit for fasting. Its convenient liquid concentrate format allows users to easily add the desired amount to their water. The focus on hydration without extra calories or sugars is a significant selling point. Reviewers especially appreciate the product’s versatility, whether during workouts or while fasting.
Pros
- Sugar-free and calorie-free
- Easy to use liquid concentrate
- High-quality sources for hydration
Cons
- Some may find the flavor too salty
- Less traditional than powder formats
4. Nuun Sport Electrolyte Tablets
Best for: On-the-Go Convenience
Nuun Sport offers convenient electrolyte tablets designed specifically for athletes and active individuals. Formulated to replenish lost fluids and electrolytes, these tablets are perfect for those who need something quick and portable.
- HYDRATION MADE FOR YOUR ACTIVE LIFE: Nuun Sport electrolyte tablets offer a perfect sports drink for daily use, including 5 essential electrolytes and 1g of sugar
- 5 ESSENTIAL ELECTROLYTES: Nuun Sport replaces the electrolytes your body sweats out during exercise to help you stay hydrated; electrolytes included are Sodium, Potassium, Chloride, Magnesium, and Calcium
- VEGAN, NON-GMO, AND 1g OF SUGAR: These hydration tablets are made with clean*, plant-based ingredients, are gluten free, vegan, kosher, and non-GMO; and each tablet contains 1g of sugar
- ON THE GO HYDRATION: Nuun electrolyte tablets enhance your work out; keep a tube in your gym bag, car, purse or anywhere you'll want to mix up an electrolyte solution
- 6 REFRESHING FLAVORS: This 6 pack contains one tube (10 tablets each) each of popular Nuun flavors Fruit Punch, Grape, Strawberry Lemonade, Tropical, Lemon Lime, and Tri-Berry for a total of 60 servings
Product Review
These effervescent tablets dissolve in water quickly, creating a refreshing and hydrating drink. With a balance of electrolytes, including sodium, potassium, and magnesium, they work well during fasting or post-exercise. The array of flavors offered—from berry to citrus—ensures there are options for everyone. Many fast-paced users appreciate the convenience these tablets provide, fitting easily into pockets or bags.
Pros
- Highly portable and convenient
- Variety of delicious flavors
- Fast-acting hydration
Cons
- Could be too sweet for some
- Higher price per serving compared to powders
5. LMNT Recharge Electrolyte Drink Mix
Best for: Low-Carb Diets
LMNT Recharge is tailored for those following low-carb or ketogenic diets, offering an electrolyte mix that provides higher sodium levels than many competitors. This product promotes hydration without the carbohydrates.
- THE BEST ELECTROLYTE DRINK MIX EVER: LMNT is a tasty electrolyte drink mix with everything you need and nothing you don't — perfect for training, low-carb or keto diets, fasting, and those leading active lifestyles.
- MORE SALT, NOT LESS: A growing body of research reveals that optimal health outcomes occur at sodium levels 2-3x government recommendations. That’s why we say, More Salt, Not Less.
- OUR FORMULATION: Each stick pack contains 1000 mg sodium, 200 mg potassium, 60 mg magnesium — a truly meaningful serving of electrolytes in a science-backed ratio.
- FEEL THE DIFFERENCE: All-day energy starts with optimal hydration. More energy. No brain fog or cramps. You feel the difference when you get it right.
- HOW TO #STAYSALTY: Mix one stick pack with 16–32 ounces of water, sparkling water, tea, smoothie, or more.
Product Review
LMNT emphasizes the benefits of higher sodium intake, especially when fasting. Users report improved muscle function and less cramping while using this product. The flavors are bold and straightforward, providing a refreshing drink that stands out in the electrolyte market. With its unique blend of minerals, LMNT is favored by those looking to maintain energy levels during fasting.
Pros
- High sodium content beneficial for hydration
- Suited for keto and low-carb diets
- Unique flavor profiles
Cons
- May be too salty for some users
- Limited flavor variety
6. Hi-Lyte Electrolyte Concentrate
Best for: Customizable Hydration
Hi-Lyte is an electrolyte concentrate that allows users to control their intake. With no added sugars or artificial flavors, it’s compatible with many diets, including paleo and keto.
- CONVENIENT TRAVEL SIZE HYDRATION – Whether you are dealing with electrolytes lost due to sweat, exercise, day-to-day activities, sickness or any other situation our hydration drops have you covered. Formulated to perfection for a Keto diet as well, this 4.06 oz bottle offers 48 servings and effortlessly fits into backpacks, purses, gym bags, or the palm of your hand. Perfect for on-the-go situations and exercise and morning routines.
- EASY CLEAN HYDRATION – Transform a 16 oz glass of water into a replenishing sports drink with just 1/4 tsp (or 12 drops per 8 oz) of Hi-Lyte electrolyte concentrate. One Hi-Lyte Liquid Electrolyte supplement bottle equates to a whopping 96 sports electrolyte drinks (one serving = 3 electrolyte drinks), providing both superior hydration and savings for your wallet. Shake well before use. Use as directed.
- HYDRATION BENEFITS – Hi-Lyte isn't just about replenishing electrolytes; increased hydration also supports energy levels, muscle recovery and growth, and endurance. Crafted to meet the rigorous demands of endurance athletes, including Cyclists, Runners, Swimmers, Triathletes, Cross-fitters, and Yogis, Hi-Lyte Concentrate Electrolyte Supplement is your trusted hydration sidekick for peak performance.
- POTASSIUM, ZINC, MAGNESIUM & SEA SALT – Our formulation harnesses the power of ionic liquid sea minerals for effortless absorption. This zero-sugar, zero-carb, and zero-calorie electrolyte concentrate is tailored for active lifestyles, Keto dieters, and anyone in need of essential electrolyte support. Your perfect sidekick for immunity during peak sickness season.
- NATURAL MINERAL TASTE – This unflavored concentrate imparts a mild, salty mineral taste to water. If you're sensitive to the mineral flavor, consider adding a squeeze of lemon or incorporating it into juice, a smoothie, or sparkling water. With zero calories, zero sugar, and zero carbs, it seamlessly integrates into your daily routine.
Product Review
This product’s unique selling point is its ability to customize your hydration experience. Users can adjust the concentration based on their needs. Hi-Lyte is effective for those fasting, as it promotes rapid fluid absorption and replenishes essential minerals lost through sweat. Reviewers appreciate its clean taste, which isn’t too overpowering, making it easy to hydrate frequently throughout the day.
Pros
- Customizable intake levels
- No artificial additives
- Good for various diets
Cons
- Requires dilution, may be inconvenient for some
- Limited flavor options
7. Vega Sport Electrolyte Hydrator
Best for: Plant-Based Athletes
Vega Sport Electrolyte Hydrator is an excellent choice for vegan athletes or anyone seeking plant-based hydration. Formulated with five key electrolytes, this product is perfect for replenishing essential minerals.
−$6.36
- Packaging may vary - You may receive our fresh new label, but it's still the great taste you love.
- HYDRATION. Replenish electrolytes that you lose while you sweat with 240-250mg sodium, 120-130mg potassium, 20mg magnesium, and 50mg calcium. Only five calories per serving.
- 100% DV OF VITAMIN C from acerola cherry extract in each serving to help support your immune system.
- EASY TO MIX HYDRATION POWDER that tastes delicious. To enjoy, mix one pack of Vega Sport Hydration into 2 cups (16 fl. oz) of ice-cold water. Use during and after workouts, running, or other activities to help prevent dehydration.
- MADE FOR ATHLETES, vegan, gluten free, and Non-GMO Project Certified. Vega Sport Hydrator is an excellent source of Antioxidant Vitamin C to help support the immune system.
Product Review
This product combines coconut water powder with electrolytes, delivering hydration that’s both effective and enjoyable. Users find it particularly refreshing during fasting, while also enjoying its plant-based ingredients. With no added sugar and an array of flavors, it suits various taste preferences. Many have noted improvements in hydration and energy levels while using Vega Sport.
Pros
- Plant-based ingredients
- No added sugars
- Bright and refreshing flavors
Cons
- Price point may be higher than traditional options
- Flavor options could expand
8. Pedialyte Electrolyte Powder Packs
Best for: Replenishment After Illness
Pedialyte has gained reputation due to its ability to rapidly rehydrate. While often marketed for children, many adults find it effective during fasting or after physical exertion.
−$6.99
- 3X THE ELECTROLYTES: Pedialyte AdvancedCare Plus electrolytes powder packets have 3x the electrolytes and 50% less sugar vs the leading sports drink
- PREBIOTICS HELP SUPPORT DIGESTIVE HEALTH: Pedialyte AdvancedCare Plus electrolytes powder has PreActiv Prebiotics to help promote digestive health
- #1 DOCTOR-RECOMMENDED BRAND: Pedialyte is the #1 doctor-recommended brand for hydration in the US
- REHYDRATES BETTER THAN WATER: Pedialyte is scientifically designed to work better than water for rehydration
- GREAT FOR KIDS AND ADULTS: Pedialyte has an optimal balance of electrolytes and glucose for fast rehydration in kids and adults. Electrolyte powder packets offer convenient, on-the-go hydration
Product Review
Pedialyte’s formula is crafted to quickly restore electrolytes. These powdered packs are convenient to carry and easy to mix, especially useful for those who need a quick rehydration solution. Users appreciate its effectiveness and mild taste. Although marketed towards children, it is widely recognized as beneficial for adults during fasting or after intense exercise.
Pros
- Proven effectiveness for hydration
- Convenient packaging
- Neutral flavor
Cons
- May contain artificial flavors
- Higher sugar content than some prefer
9. Drinking Buddy Electrolyte Tablets
Best for: Everyday Hydration
Drinking Buddy offers a straightforward electrolyte tablet that emphasizes simplicity and efficiency, perfect for daily hydration needs, especially during fasting.
- Celebrate Without Worry: Don’t hesitate to seize the moment and celebrate until dawn from fear of having a bad day because Booze Buddy has got you covered! Our liver support supplement contains many nutrients that help you wake up refreshed and happy after a fun night!
- Complex Liver Support Formula: Our after drinking recovery supplement has a complex formula that combines vitamins, minerals such as magnesium, zinc and potassium, antioxidants and plant extracts to help replenish lost nutrients, restore hydration and boost your vitality!
- Restore Electrolyte Balance: This liver support supplement contains amazing, nourishing nutrients that can help restore the electrolyte balance and support liver function, promoting a comfortable recovery.
- Boost Hydration: Our electrolyte supplement can help rehydrate your body and restore hydration levels by replenishing lost vitamins, minerals, and nutrients. This can boost your energy and make you feel fresh.
- Convenient Intake: The Booze Buddy after party supplement arrives in a convenient pack of 48 pills, easy to swallow and fast absorbing!
Product Review
These tablets dissolve easily in water and provide a functional balance of electrolytes necessary for staying hydrated. Users appreciate their no-nonsense approach to hydration. With a focus on quality, they are suitable for those who want something simple and effective. Reviewers have praised their mild flavor and ease of use, making it a favorite for everyday hydration.
Pros
- Simple and straightforward
- Mild flavor
- Easily portable
Cons
- Lacks variety in flavor
- Limited nutritional profile compared to powders
10. KetoneX Electrolyte Powder
Best for: Ketogenic Lifestyle
KetoneX Electrolyte Powder is designed explicitly for those on a ketogenic diet. Packed with essential electrolytes, this product supports energy levels and hydration.
- ✔ Enjoy our Keto Electrolytes Powder in all different flavors!
- ✔ Natural hydration booster! Energy replenisher! Freedom from muscle cramps with our electrolyte powder keto!
- ✔ Formula has Potassium, Magnesium Citrate, Sodium (Salts) and Calcium to bring your body into balance! Our Sugar Free Electrolytes Powder is a great addition to your daily routine!
- ✔ These keto friendly electrolytes will let you enjoy the natural calm of magnesium and thrive!
Product Review
With a focus on providing hydration tailored for keto lifestyles, KetoneX stands out due to its effective balance of sodium, potassium, and magnesium. Users have reported improved overall hydration and vitality while fasting. The product has a flavor profile that resonates well with the target demographic, making fasting a more pleasant experience. The formulation is specialized for those looking to maximize their keto benefits.
Pros
- Tailored for ketogenic dieters
- Effective hydration and energy support
- Flavors cater to keto preferences
Cons
- May not appeal to those outside keto lifestyles
- Slightly higher price for specialized formulations
This comprehensive overview of the best electrolytes for fasting will help you make informed decisions about your hydration needs. As you embark on your fasting journey, selecting the right electrolyte product can significantly improve your experience.
Buying Guide: Best Electrolytes for Fasting
When fasting, maintaining electrolyte balance is crucial for hydration, energy levels, and overall well-being. Whether you’re engaging in intermittent fasting, extended fasting, or a ketogenic diet, the right electrolytes can help support your body’s needs. Here’s a comprehensive buying guide to help you choose the best electrolytes for fasting.
1. Understand the Essential Electrolytes
Electrolytes are minerals that carry an electric charge and are vital for various bodily functions. The key electrolytes to consider during fasting include:
- Sodium: Helps regulate fluid balance and is essential for nerve and muscle function.
- Potassium: Crucial for heart health, muscle contractions, and maintaining fluid balance.
- Magnesium: Important for muscle and nerve function, as well as energy production.
- Calcium: Vital for bone health, muscle function, and nerve signaling.
2. Types of Electrolyte Supplements
When shopping for electrolytes, you’ll find several forms:
- Powders: Mix with water for a customizable flavor and concentration. Often best for those who want to control their dosage.
- Tablets or Capsules: Convenient, portable, and easy to take but may require water for consumption.
- Ready-to-Drink (RTD) Formulas: Pre-mixed solutions that are convenient but may contain sugars and other additives.
- Electrolyte Drops: Concentrated solutions that can be added to water, offering flexibility in hydration.
3. Ingredients to Look For
Quality matters! Here are some ingredients you want in your electrolyte supplement:
- Low Sugar: Avoid products loaded with sugars or artificial sweeteners, especially if you’re fasting.
- Natural Ingredients: Look for products free from artificial colorings, preservatives, and GMO ingredients.
- Balanced Electrolyte Profile: Ensure a good balance of sodium, potassium, magnesium, and calcium.
- Additives: Consider if you want additional ingredients, such as vitamins or herbal extracts, but avoid unnecessary fillers.
4. Check for Keto and Fasting Compatibility
If you’re following a keto diet or intermittent fasting:
- Zero Calories: Ensure that the product contains no calories to maintain your fasting state.
- Fasting-Friendly: Look for brands specifically labeled as fasting-friendly or keto-friendly.
5. Consider Flavor and Taste
If you’re mixing electrolytes with water:
- Variety of Flavors: Choose a product with multiple flavor options to prevent taste fatigue.
- Taste Profile: Read reviews to see if users find the taste pleasant or overwhelming.
6. Reputation and Reviews
Research the brand and product:
- Brand Reputation: Look for trusted brands with a history of quality and good customer service.
- Customer Reviews: Read user feedback to gauge effectiveness, taste, and any potential side effects.
7. Price and Value
- Cost Per Serving: Compare the price relative to the number of servings. Sometimes a higher initial cost can provide better value over time.
- Quality vs. Price: Don’t just choose the cheapest option; focus on quality and ingredients.
8. Consult a Healthcare Professional
Before starting any new supplement, especially if you have underlying health conditions or are pregnant, it’s always wise to consult a healthcare professional.
9. Recommended Brands to Consider
- Ultima Replenisher
- Electrolyte Powder by Dr. Berg
- LMNT
- Nuun
- Hydrate Electrolytes by Key Nutrients
Conclusion
Choosing the right electrolytes for fasting can significantly enhance your experience and well-being. By focusing on quality, ingredients, and your specific needs, you can maintain hydration and energy while fasting. Always start with small doses to assess how your body responds, and stay mindful of your overall dietary habits. Happy fasting!
