Best Calorie-Free Electrolyte Drink Mixes for Intermittent Fasting Headaches

Are you struggling with headaches during intermittent fasting? One of the most common causes is electrolyte imbalance and dehydration. The right calorie-free electrolyte drink mix can help you stay hydrated, replenish essential minerals, and keep fasting headaches at bay—without breaking your fast. Below, discover the top-rated, zero-calorie electrolyte drink mixes designed specifically for hydration support during fasting.

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Why Electrolytes Matter During Intermittent Fasting

"Electrolyte imbalances are a leading cause of headaches and fatigue during fasting. Replenishing sodium, potassium, and magnesium is key to feeling your best."

When you fast, your body flushes out water and electrolytes, which can lead to symptoms like headaches, muscle cramps, and fatigue. A high-quality, calorie-free electrolyte drink mix can help you maintain optimal hydration and mineral balance—without added sugars or carbs.

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Re-Lyte® Hydration Electrolyte Powder

Zero-Calorie, No Added Sugar, Fasting-Friendly

Re-Lyte® Hydration Electrolyte Powder is expertly formulated for anyone seeking a clean, effective hydration solution—especially those practicing intermittent fasting. Key Features:

• Zero calories, zero carbs, and no added sugar—perfect for fasting, keto, paleo, and vegan lifestyles.
• Optimal electrolyte ratio: Each serving delivers 810 mg sodium, 400 mg potassium, 50 mg magnesium, and 60 mg calcium.
• Trace minerals from ancient sea salt (Redmond Real Salt®) for balanced hydration.
• Sweetened with stevia (in flavored varieties), so you get great taste without breaking your fast.
• Variety of flavors: Mango, Strawberry Lemonade, Piña Colada, Watermelon Lime, Mixed Berry, Lemon Lime, and Unflavored (for those who prefer no sweeteners or flavors).

"I've been struggling to find an electrolyte drink that actually works, and now I've finally found it! The strawberry lemonade is my favorite so far, but I'm excited to try all the flavors."
— Verified Customer

Supplement Facts (per serving):

• Calories: 0
• Sodium: 810 mg
• Potassium: 400 mg
• Magnesium: 50 mg
• Calcium: 60 mg
• Coconut Water Powder: 80 mg

Lifestyle Benefits:

• Keto, vegan, and fasting friendly
• No artificial ingredients
• Designed for daily use

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Re-Lyte® Hydration Electrolyte Powder Stick Packs

Convenient, On-the-Go Hydration for Fasting

For those who need hydration support wherever they are, Re-Lyte® Hydration Electrolyte Powder Stick Packs offer the same powerful formula in a portable, easy-to-mix format. Key Features:

• Zero calories and no added sugar—ideal for intermittent fasting.
• Optimal blend of sodium, potassium, magnesium, and calcium for balanced hydration.
• Convenient stick packs—perfect for travel, work, or workouts.
• Delicious flavors: Mango, Strawberry Lemonade, Piña Colada, Watermelon Lime, Mixed Berry, Lemon Lime, Unflavored, and a Variety Pack.

"These are the best electrolytes I have tried. Yes, they are a bit salty BUT I have fallen in love with the flavor and I am now bummed when I am just drinking plain water. I have one of these every day and it has made a huge difference in my overall hydration!"

Supplement Facts (per stick pack):

• Calories: 0
• Sodium: 810 mg
• Potassium: 400 mg
• Magnesium: 50 mg
• Calcium: 60 mg
• Coconut Water Powder: 80 mg

Why Choose Stick Packs?

• Mixes easily in any water bottle
• No mess, no measuring
• Great for busy lifestyles and travel

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Which Flavor is Right for You?

• Mango & Piña Colada: Sweet, tropical, and refreshing—perfect for a taste of paradise.
• Strawberry Lemonade & Watermelon Lime: Fruity, mildly tart, and reminiscent of summer.
• Mixed Berry & Lemon Lime: Classic, tangy, and crowd-pleasing.
• Unflavored: Pure, salty hydration with no sweeteners or flavors—ideal for purists or those sensitive to flavors.

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How to Use for Fasting Headache Relief

1. Mix one scoop or stick pack with 16-24 oz of water. 2. Drink during your fasting window to replenish lost electrolytes and prevent headaches. 3. Adjust serving size to taste or as needed for your activity level.

"I was feeling bad in the mornings a week into carnivore and have found that if I drink it first thing in the morning I feel much better."

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The Bottom Line

If you’re looking for a calorie-free electrolyte drink mix to help with intermittent fasting headaches, Re-Lyte® Hydration Electrolyte Powder and Stick Packs are top choices. With optimal electrolyte ratios, zero calories, and a variety of delicious flavors, you can stay hydrated, energized, and headache-free—without breaking your fast.

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Stay hydrated, stay energized, and make fasting headaches a thing of the past with Re-Lyte® Hydration Electrolyte Powders and Stick Packs!