Best Keto Electrolyte Supplements (2026)

Electrolyte depletion is one of the most common challenges on a ketogenic diet. As the body shifts to burning fat for fuel and excretes more water, essential minerals like sodium, potassium, and magnesium are flushed out at an accelerated rate. This electrolyte imbalance is the primary driver behind “keto flu” symptoms including fatigue, headaches, muscle cramps, and brain fog. A quality keto electrolyte supplement replenishes these minerals without added sugars or carbs that could disrupt ketosis.

Quick Comparison

Product	Key Electrolytes	Form	Best For	Rating
Real Ketones Electrolyte Packets	Sodium, Potassium, Magnesium, Calcium + BHB	Powder Packets	Best Overall	9.4/10
Supersmart Potassium Bicarbonate	5400mg Potassium	Capsules	Best for Potassium	9.2/10
Keto Vitals Electrolyte Powder	Potassium, Magnesium, Sodium, Calcium	Powder	Best Flavored Powder	9.1/10
Zeal Naturals Keto Electrolytes	Sodium, Magnesium, Potassium, Calcium + B Vitamins	Capsules	Best Capsule	9.0/10
Left Coast Performance Electrolytes	Magnesium, Calcium, Potassium, Sodium	Capsules	Best Value	8.9/10
Vitamin Bounty Recover On Keto	Sodium, Potassium, Magnesium	Capsules	Best for Recovery	8.7/10
Codeage Keto Electrolytes	Magnesium, Calcium, Potassium, Sodium	Capsules	Best 3-Month Supply	8.6/10

1. Real Ketones BHB Electrolyte Packets – Best Overall

Real Ketones combines all four essential fasting electrolytes with patented BHB ketones in convenient drink mix packets, making it the most comprehensive keto electrolyte option available.

Each packet delivers sodium, potassium, magnesium, and calcium alongside patented goBHB exogenous ketones. This dual-action approach replenishes electrolytes while simultaneously supporting ketone levels, which can help maintain energy and mental clarity during ketosis. The sugar-free formula comes in a variety pack of flavors, and the single-serve packets are ideal for on-the-go use. The addition of BHB separates this from standard electrolyte supplements by actively supporting the ketogenic state.

• Pros:
• Combines electrolytes with patented BHB ketones
• Convenient single-serve packets
• Sugar-free with multiple flavor options

• Cons:
• Higher price per serving than capsule options
• BHB may cause mild GI discomfort in some users

Best for: Keto dieters who want electrolyte replenishment and ketone support in one convenient product

2. Supersmart Potassium Bicarbonate – Best for Potassium

Supersmart delivers 5400mg of potassium bicarbonate per day, addressing the most commonly deficient electrolyte on a ketogenic diet with a high-dose, targeted formula.

Potassium is the electrolyte most dramatically affected by carbohydrate restriction, and most keto electrolyte products underdose it significantly. Supersmart fills that gap with a high-potency potassium bicarbonate formula that supports healthy blood pressure, proper muscle function, and fluid balance. The bicarbonate form also helps maintain healthy pH levels, which can become more acidic during ketosis.

• Pros:
• High-dose potassium specifically for keto needs
• Bicarbonate form supports pH balance
• Targeted single-mineral approach for stacking

• Cons:
• Only provides potassium, not a full electrolyte spectrum
• Requires separate magnesium and sodium supplementation

Best for: Keto dieters who need high-dose potassium to complement their existing supplement routine

3. Keto Vitals Antioxidant Electrolyte Powder – Best Flavored Powder

Keto Vitals offers a zero-sugar electrolyte powder in eight fruity flavors with a balanced blend of potassium, magnesium, sodium, and calcium designed specifically for ketogenic lifestyles.

Each serving delivers a balanced electrolyte profile tailored to the specific mineral losses that occur during ketosis. The powder dissolves easily in water, creating a flavored electrolyte drink that replaces sugary sports drinks without breaking ketosis. With 60 servings per container and eight flavor options including blackberry, mango, and raspberry lemonade, it offers variety that keeps daily supplementation enjoyable.

• Pros:
• Eight great-tasting flavor options
• 60 servings per container
• Zero sugar, zero carbs

• Cons:
• Uses stevia which some find has an aftertaste
• Lower sodium content than some competitors

Best for: Those who prefer a flavored drink format and want variety in their daily electrolyte supplementation

4. Zeal Naturals Maximum Keto Electrolytes – Best Capsule

Zeal Naturals packs sodium, potassium, magnesium, calcium, zinc, and B vitamins into 120 capsules, offering a premium keto electrolyte formula with added energy support.

This formula stands out by using Pink Himalayan Salt for sodium (instead of cheap sodium citrate) and includes B vitamins for additional energy metabolism support. The capsules provide magnesium in a form designed for proper muscle hydration, avoiding the low-quality magnesium oxide found in many competitors. The 120-count bottle provides a full month of supplementation at the recommended dose of four capsules daily.

• Pros:
• Pink Himalayan Salt for quality sodium
• Added B vitamins and zinc for energy
• No mixing or flavoring required

• Cons:
• Requires 4 capsules per serving
• Some users report capsules are large

Best for: Anyone who prefers capsules over powder and wants added B-vitamin support for energy

5. Left Coast Performance Keto Electrolytes – Best Value

Left Coast Performance delivers a no-filler electrolyte formula with 180 capsules per bottle at a price point that beats most competitors, focusing purely on the essential minerals without extras.

The formulation zeroes in on the four minerals keto dieters need most: magnesium, calcium, potassium, and sodium. Unlike many competitors who pad their capsules with cheap fillers, Left Coast Performance focuses on ingredient quality and quantity. The 180-capsule bottle provides significantly more servings than the typical 100-120 count bottles from other brands, stretching value over a longer period.

• Pros:
• 180 capsules per bottle for extended value
• No cheap fillers or unnecessary additives
• Focuses on essential keto electrolytes only

• Cons:
• Capsules can be difficult to swallow for some
• No added vitamins or ketone support

Best for: Budget-conscious keto dieters who want a large supply of quality electrolytes without paying for extras

6. Vitamin Bounty Recover On Keto Electrolytes – Best for Recovery

Vitamin Bounty’s Recover On formula is specifically designed for post-workout and daily recovery on a ketogenic diet, replenishing the electrolytes lost through both exercise and carbohydrate restriction.

This keto-specific electrolyte pill provides sodium, potassium, and magnesium in ratios optimized for recovery from both exercise-induced and keto-related electrolyte depletion. The formula is designed to address muscle cramps, fatigue, and the general sluggishness that can accompany the transition to ketosis or follow intense physical activity on a low-carb diet.

• Pros:
• Formulated specifically for keto recovery
• Balanced sodium-potassium-magnesium ratio
• Easy capsule format

• Cons:
• Smaller serving count than some competitors
• No calcium included

Best for: Active keto dieters who need electrolyte recovery support after workouts

7. Codeage Keto Electrolytes – Best 3-Month Supply

Codeage provides a full three-month supply of vegan keto electrolytes in 180 capsules, combining magnesium, calcium, potassium, and sodium chloride in a clean, zero-carb formula.

Each bottle contains 90 servings (two capsules per serving) for a full three months of daily electrolyte support. The formula is vegan, non-GMO, dairy-free, soy-free, and gluten-free, manufactured in a cGMP-certified USA facility. The sugar-free, zero-carb formula ensures no interference with ketosis, and the capsule format makes it easy to integrate into any supplement routine.

• Pros:
• Full 3-month supply per bottle
• Vegan, non-GMO, and allergen-free
• cGMP-certified USA manufacturing

• Cons:
• Lower individual mineral doses per serving
• May need to supplement with additional sodium

Best for: Those who want a long-lasting, clean electrolyte supplement they can set and forget

How to Choose the Best Keto Electrolyte Supplement

The three electrolytes most impacted by a ketogenic diet are sodium, potassium, and magnesium. Look for a supplement that addresses all three in meaningful doses. General keto electrolyte recommendations are 3000-5000mg sodium, 1000-3500mg potassium, and 300-500mg magnesium daily from all sources (food and supplements combined). Many keto electrolyte products underdose potassium due to FDA labeling restrictions, so you may need to supplement it separately.

Form matters based on your lifestyle. Powders dissolve in water and provide a flavored drink that can replace sugary beverages, but they require mixing. Capsules are more convenient and portable, with no taste to deal with, but typically deliver lower mineral doses per serving. Drink mix packets offer the best of both worlds with pre-measured single servings.

Avoid products with added sugars, maltodextrin, or high-glycemic fillers that could spike insulin and interfere with ketosis. Look for sweeteners like stevia, monk fruit, or erythritol in flavored products. Check that magnesium is provided in a bioavailable form like magnesium citrate or glycinate rather than the poorly absorbed magnesium oxide.

If you experience persistent keto flu symptoms beyond the first two weeks, your electrolyte supplement may not be providing sufficient doses. Consider stacking a general keto electrolyte with a separate potassium or magnesium supplement for more targeted support. Products that combine electrolytes with BHB ketones offer additional ketosis support but typically cost more per serving.

Frequently Asked Questions

Why do I need extra electrolytes on keto?

When carbohydrate intake drops below approximately 50 grams daily, insulin levels decrease and the kidneys begin excreting more sodium and water. This increased fluid loss pulls potassium and magnesium along with it. Without adequate electrolyte replacement, this imbalance causes symptoms collectively known as “keto flu,” including headaches, fatigue, muscle cramps, dizziness, and irritability.

How many electrolytes should I take on keto?

General guidelines for keto dieters suggest 3000-5000mg of sodium, 1000-3500mg of potassium, and 300-500mg of magnesium daily from food and supplements combined. Individual needs vary based on activity level, climate, body size, and how long you have been in ketosis. Athletes and those in hot climates typically need higher amounts.

When should I take keto electrolytes?

Spread electrolyte intake throughout the day rather than taking everything at once. Many people take a serving in the morning, another in the afternoon, and potentially a third serving before or after exercise. Taking large doses of magnesium at once can cause digestive discomfort, so splitting doses is advisable.

Can I get enough electrolytes from food on keto?

Keto-friendly foods like avocados, leafy greens, nuts, and bone broth provide electrolytes, but most people in active ketosis still need supplementation, especially during the first few weeks. Salting food liberally with quality sea salt or Himalayan pink salt helps with sodium, but potassium and magnesium are harder to get in sufficient quantities from food alone on a restricted diet.

What are signs of electrolyte deficiency on keto?

Common signs include muscle cramps (especially in the legs at night), persistent headaches, fatigue despite adequate sleep, heart palpitations, dizziness when standing, brain fog, and irritability. If these symptoms appear or worsen after starting keto, electrolyte depletion is the most likely cause and typically resolves within 24-48 hours of proper supplementation.

Will electrolyte supplements break ketosis?

Pure electrolyte supplements with zero carbs and no added sugars will not break ketosis. Check labels carefully for maltodextrin, dextrose, or other hidden carbs that some flavored products include. Most quality keto electrolyte supplements are specifically formulated to be carb-free and ketosis-safe.