10 Best Electrolytes For Fasting Zero Calories of 2026

Last updated on 04/02/2026
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Best Choice
1
9.8
Exceptional
Keppi Electrolytes Powder – Raspberry Lemonade Flavor 50 Servings – No Sugar Hydration Supplement with Magnesium, Potassium, Sodium – Keto, Vegan, Fasting-Friendly, Zero Calorie Electrolyte Drink
Keppi

Keppi Electrolytes Powder – Raspberry Lemonade Flavor 50 Servings – No Sugar Hydration Supplement with Magnesium, Potassium, Sodium – Keto, Vegan, Fasting-Friendly, Zero Calorie Electrolyte Drink

Why we love it
  • Confidence in every sip.
  • Unbelievably delicious flavor combination.
  • Rigorously tested for purity.
Main Highlights
  • Sugar Free Electrolytes Powder for Hydration & Keto Support - This clean electrolyte drink mix supports hydration with zero sugar, zero calories, and no artificial ingredients. Designed for keto electrolytes needs, intermittent fasting, and low carb diets—no sugar, no salty aftertaste. A refreshing raspberry lemonade electrolyte powder for daily hydration.
  • Complete Electrolyte Powder With High Potassium & Low Sodium - Keppi electrolyte powder includes potassium, magnesium, calcium, and sodium for full hydration and electrolyte balance. Our low sodium electrolytes help support energy levels and replace lost electrolytes during workouts, heat, or low-carb diets.
  • Fast-Dissolving Electrolyte Drink Mix with No Fillers or Dyes - Quick dissolve formula in a clean label electrolyte supplement— no fillers, no caffeine, no artificial dyes. A smooth-tasting hydration powder that works anywhere on the go. Great for at home or travel hydration and daily electrolyte needs.
  • Great for Intermittent Fasting and Workouts- This sugar free electrolyte mix supports hydration and energy for fasting, keto, and OMAD. Use during long workouts, hot days, or when feeling low energy from electrolyte loss. Trusted by runners, athletes, and everyday users looking for electrolyte balance.
  • 50 Servings Per Tub – Better Value Electrolyte Drink Mix - Get 50 servings of hydration powder per tub—more than most electrolyte supplements. Zero sugar, paleo, vegan, and keto friendly. Perfect for daily hydration routines, travel, or gym bags. Mixes easily with water for clean electrolyte support.
9.8
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.6
Superb
Ultima Replenisher Daily Electrolyte Powder Drink Mix – Sugar Free – Lemonade, 90 Servings – Hydration Powder with 6 Key Electrolytes and Trace Minerals – Keto Friendly, Vegan, Non-GMO
Ultima Replenisher

Ultima Replenisher Daily Electrolyte Powder Drink Mix – Sugar Free – Lemonade, 90 Servings – Hydration Powder with 6 Key Electrolytes and Trace Minerals – Keto Friendly, Vegan, Non-GMO

Why we love it
  • Packed with essential electrolytes.
  • Naturally sweetened with real flavors.
  • Sugar-free and keto-friendly option.
Main Highlights
  • 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: Our daily electrolyte drink mix replenishes your electrolyte levels without the sugar, calories or artificial sweeteners; sugar free, gluten free, vegan, keto friendly and Non-GMO
  • Stock up on your favorites: This 90-serving canister is perfect for conveniently storing at home for your daily hydration; simply add 1 scoop 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
9.6
Superb
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3
9.5
Superb
LMNT Zero Sugar Electrolytes - Raw Unflavored Salt | Drink Mix | 30-Count
Drink LMNT

LMNT Zero Sugar Electrolytes - Raw Unflavored Salt | Drink Mix | 30-Count

Why we love it
  • Delicious and effective hydration.
  • Optimal sodium level support.
  • Convenient for active lifestyles.
Main Highlights
  • 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.
9.5
Superb
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4
9.3
Superb
Fast Lyte Fasting Electrolyte Supplement Powder | No Sugar Unflavored Raw Electrolytes | 25% RDI Magnesium and Potassium with Trace Minerals | Carnivore & Keto Friendly | Sugar Free Fasting Salts
FAST LYTE

Fast Lyte Fasting Electrolyte Supplement Powder | No Sugar Unflavored Raw Electrolytes | 25% RDI Magnesium and Potassium with Trace Minerals | Carnivore & Keto Friendly | Sugar Free Fasting Salts

Why we love it
  • High concentration of essential minerals.
  • Supports various dietary lifestyles.
  • Natural sources ensure superior quality.
Main Highlights
  • Fasting supplement powder with 1175mg Potassium, 575mg Sodium, 100mg Magnesium, 25mg Calcium, and over 74 trace minerals and co-factors.
  • High concentration mineral source from naturally occurring minerals to supplement any diet or electrolyte need. No fillers or sweeteners; unflavored, raw mineral powder. Great for Keto, Vegan, Paleo, Carnivore, and Intermittent Fasting diets, and as a general electrolyte supplement
  • Our updated serving size reflects refined dosing guidance for overall fasting needs, while maintaining the same formula, total product quantity, and value in every bag, as always. Since 2019, Fast Lyte has been committed to making electrolytes from natures most pristine mineral sources.
  • Now with marine sourced magnesium - Extracted from north Atlantic seawater, more bioactive than other forms of magnesium thanks to its rich mineral matrix containing over 74 trace minerals and co-factors
  • Our fasting salts now include multimineral support - From plant based red algae, this rich in calcium, magnesium, and trace mineral profile source has been studied for decades with studies showing increases in bone mass density due to its complex and rich mineral composition like that of human bone
9.3
Superb
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5
9.1
Superb
LMNT Zero Sugar Electrolytes - Watermelon Salt | Drink Mix | 30-Count
Drink LMNT

LMNT Zero Sugar Electrolytes - Watermelon Salt | Drink Mix | 30-Count

Why we love it
  • Delicious and effective hydration.
  • Optimal sodium levels boost performance.
  • Perfect for active lifestyles.
Main Highlights
  • 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.
9.1
Superb
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6
9.0
Superb
Dr. Berg Zero Sugar Hydration Keto Electrolyte Powder - Enhanced w/ 1000 mg of Potassium & Real Pink Himalayan Salt (NOT Table Salt) - Orange Flavor Hydration Drink Mix Supplement - 50 Servings
Dr. Berg Nutritionals

Dr. Berg Zero Sugar Hydration Keto Electrolyte Powder - Enhanced w/ 1000 mg of Potassium & Real Pink Himalayan Salt (NOT Table Salt) - Orange Flavor Hydration Drink Mix Supplement - 50 Servings

Why we love it
  • High potassium content boosts hydration.
  • GMP-certified for top-notch quality.
  • Unique blend of premium ingredients.
Main Highlights
  • 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 Orange 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.
  • 𝗧𝗥𝗬 𝗙𝗢𝗥 𝟯𝟬 𝗗𝗔𝗬𝗦 – If you are unhappy with this product reach out to us within 30 days of your purchase date and we will take care of you.
9.0
Superb
Amazon Logo
7
8.8
Excellent
FAST LYTE No Sugar Electrolytes Powder in the Raw | Mix in Coffee, Soup, Juice, Water, Smoothies, Broth, Anything | No Sweeteners or Flavorings | Keto & Sugar Free | Non-GMO & Vegan
FAST LYTE

FAST LYTE No Sugar Electrolytes Powder in the Raw | Mix in Coffee, Soup, Juice, Water, Smoothies, Broth, Anything | No Sweeteners or Flavorings | Keto & Sugar Free | Non-GMO & Vegan

Why we love it
  • Guilt-free hydration solution.
  • Versatile mixing options available.
  • Supports ketogenic lifestyle easily.
Main Highlights
  • Zero Calories: Fast Lyte offers a guilt-free hydration solution, with no added calories—perfect for those on a keto or low-carb diet.
  • Versatile Mixing: Go beyond the limitations of traditional hydration drinks and easily mix Fast Lyte in coffee, soup, juice, water, smoothies, broth, or any beverage of your choice.
  • Anytime Hydration: Packed with essential electrolytes, Elevate any beverage or meal and unlock the power of electrolytes with this flavor-free no sugar electrolyte mix.
  • Clean Electrolyte Boost: Say goodbye to artificial sweeteners—Fast Lyte's electrolyte mix is free from sweeteners, flavorings, and added carbs.
  • Keto-Friendly: Fast Lyte supports your ketogenic lifestyle while delivering essential electrolytes for optimal hydration.
8.8
Excellent
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8
8.7
Excellent
Save 15%
Nectar Hydration Packets - Electrolytes Powder Packets - Sugar Free & 0 Calorie - Organic Fruit Liquid Daily IV Electrolytes Powder for Dehydration Relief and Rehydration (Variety 30 Pack)
Nectar

Nectar Hydration Packets - Electrolytes Powder Packets - Sugar Free & 0 Calorie - Organic Fruit Liquid Daily IV Electrolytes Powder for Dehydration Relief and Rehydration (Variety 30 Pack)

15% OffLimited time deal
Why we love it
  • Rapid hydration with clean ingredients.
  • Scientifically developed for effectiveness.
  • Delicious organic fruit flavors.
Main Highlights
  • All Natural Rapid Hydration - A clean, daily electrolyte drink mix optimized to hydrate you rapidly. These rehydration powder packets are zero calorie and made with only the essentials helping you stay hydrated all day long
  • Developed by Scientists and Doctors - Nectar's proprietary formula hydrates your body more efficiently than water alone. With more than 4 times the electrolytes of traditional sports drinks, you'll feel instant dehydration relief
  • Light Refreshing Flavor – Our hydration powder packets are flavored with real Organic Fruit that will have your taste buds and body thanking you
  • No Sugar. No Calories. Refreshingly Simple - Made with only real food ingredients, each electrolyte pack will leave you feeling rejuvenated and craving more. Nectar hydration packets are vegan, non-gmo, keto, and paleo
  • Designed For Daily Usage - Nectar sugar-free electrolyte powder packets are low sodium and 0 calorie making them the perfect oral rehydration solution. Start your day off right with Nectar hydration packs for improved energy, focus, mood and immunity
8.7
Excellent
Save 15%
Limited time deal
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9
8.7
Excellent
LMNT Zero Sugar Electrolytes - Lemonade | Drink Mix | 18-Count
Drink LMNT

LMNT Zero Sugar Electrolytes - Lemonade | Drink Mix | 18-Count

Why we love it
  • Delicious and effective electrolyte mix.
  • Optimal sodium levels for health.
  • Improves hydration and energy levels.
Main Highlights
  • 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.
8.7
Excellent
Amazon Logo
10
8.7
Excellent
VERUS NUTRITION Electrolytes Powder No Sugar- Zero Calorie Hydration Powder | Sugar Free Electrolytes for Fasting, Keto & Vegan | Natural Ingredients Electrolyte Mix, 60 Servings
VERUS NUTRITION

VERUS NUTRITION Electrolytes Powder No Sugar- Zero Calorie Hydration Powder | Sugar Free Electrolytes for Fasting, Keto & Vegan | Natural Ingredients Electrolyte Mix, 60 Servings

Why we love it
  • Delicious flavors for hydration.
  • Supports keto and vegan diets.
  • Eco-friendly and sustainable packaging.
Main Highlights
  • MIAMI VICE: Dive into the tropical escape of Miami Vice keto electrolytes electrolytes no sugar, where the sweet allure of strawberry meets a zesty daiquiri twist, quenching thirst with a hydrating rush of flavor.
  • COMPLETE ELECTROLYTE BLEND: Expertly formulated to reflect the natural balance lost in sweat, our electrolyte drink mix features Calcium, Magnesium, Potassium, Sodium, and Chloride. The precise mix enhances hydration, supports bone health, and optimizes muscle function for peak performance and vitality in every sip.
  • SUPPORTS HEALTHY DIETS: Our hydrate electrolyte powder is meticulously formulated to align with keto, fasting, and vegan lifestyles. With zero sugar and zero calories, our keto electrolytes powder is crafted to fit your health-conscious diet without compromising taste or quality.
  • GREAT TASTE, GREAT VALUE: Experience the joy of premium hydration at an affordable price. Our zero sugar electrolyte powder comes in exciting flavors like Strawberry Lemonade, Miami Vice, Lemon Lime, and Mixed Berry, offering a cost-effective solution for delicious and healthy hydration.
  • ENVIRONMENTALLY FRIENDLY: Choose a fasting electrolytes that cares for the planet as much as it does for your health. Our recyclable HDPE bottles minimize environmental impact, making every sip of our hydrating electrolytes powder sugar free mix a step towards a greener future.
8.7
Excellent
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Related Deals You Might Like for Electrolytes For Fasting Zero Calories

📊We scanned 1425 products
🔍
We reviewed the most relevant Electrolytes For Fasting Zero Calories offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Keppi, Ultima Replenisher, Drink LMNT, FAST LYTE, Dr. Berg Nutritionals, Nectar, VERUS NUTRITION, known for dependable quality and smart design.
⭐
To determine today's best Electrolytes For Fasting Zero Calories, we analyzed 7126 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

Here's what we found:

🏆 #1
Keppi Electrolytes Powder – Raspberry Lemonade Flavor 50 Servings – No Sugar Hydration Supplement with Magnesium, Potassium, Sodium – Keto, Vegan, Fasting-Friendly, Zero Calorie Electrolyte Drink

Our overall winner is Keppi Electrolytes Powder – Raspberry Lemonade Flavor 50 Servings – No Sugar Hydration Supplement with Magnesium, Potassium, Sodium – Keto, Vegan, Fasting-Friendly, Zero Calorie Electrolyte Drink by Keppi. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Confidence in every sip.
✓Unbelievably delicious flavor combination.
✓Rigorously tested for purity.
💎 Best Value
Ultima Replenisher Daily Electrolyte Powder Drink Mix – Sugar Free – Lemonade, 90 Servings – Hydration Powder with 6 Key Electrolytes and Trace Minerals – Keto Friendly, Vegan, Non-GMO

The best value for most shoppers is Ultima Replenisher Daily Electrolyte Powder Drink Mix – Sugar Free – Lemonade, 90 Servings – Hydration Powder with 6 Key Electrolytes and Trace Minerals – Keto Friendly, Vegan, Non-GMO by Ultima Replenisher, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Nectar Hydration Packets - Electrolytes Powder Packets - Sugar Free & 0 Calorie - Organic Fruit Liquid Daily IV Electrolytes Powder for Dehydration Relief and Rehydration (Variety 30 Pack)

The strongest deal right now for Electrolytes For Fasting Zero Calories is Nectar Hydration Packets - Electrolytes Powder Packets - Sugar Free & 0 Calorie - Organic Fruit Liquid Daily IV Electrolytes Powder for Dehydration Relief and Rehydration (Variety 30 Pack) at Nectar, currently at 15% off.

🔄Our Electrolytes For Fasting Zero Calories ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.