Best Electrolyte Supplements (2025): LMNT vs Drip Drop vs Others

Electrolyte supplements help with hydration, fasting, low-carb diets, and performance. Here’s what to buy.

For all supplement guides, see: Best Greens Powder.

Top Electrolyte Products

Product	Sodium (mg)	Potassium (mg)	Price/serving
LMNT	1000	200	~$1.50
Drip Drop	330	185	~$1.00
Liquid IV	500	370	~$1.50
Nuun Sport	300	150	~$0.70
DIY (salt + lite salt)	Variable	Variable	~$0.05

LMNT (Top Pick for Keto/Fasting)

High-sodium formula designed for low-carb and fasting.

• Sodium: 1000mg (higher than competitors)
• Potassium: 200mg
• Magnesium: 60mg
• Sugar: Zero

Drip Drop (Best for Illness/Recovery)

Medical-grade oral rehydration solution.

• Designed for: Dehydration treatment
• Contains: Sugar (aids absorption via SGLT1)
• Best for: Illness, hangovers, post-exercise

DIY Electrolyte Mix (Budget Option)

Make your own for pennies:

• ½ tsp salt: ~1000mg sodium
• ¼ tsp “lite salt” (potassium chloride): ~350mg potassium
• Natural flavoring: Lemon, lime, Mio

Total cost: ~$0.05 per serving vs $1.50 for branded.

When You Need Electrolytes

• Keto/low-carb: Lower insulin = more sodium excretion
• Fasting: No food = no electrolytes coming in
• Heavy exercise: Sweat loss
• Hot weather: Increased sweating
• Illness: Vomiting, diarrhea

Signs of Electrolyte Deficiency

• Headaches
• Fatigue
• Muscle cramps
• Brain fog
• Dizziness

Often called “keto flu”—usually just low sodium.

Comparison by Use Case

Use Case	Best Choice
Keto/fasting	LMNT (or DIY)
Illness/recovery	Drip Drop
General exercise	Nuun or Liquid IV
Budget	DIY salt mix

Verdict

For keto/fasting: LMNT or DIY (high sodium, zero sugar).

For illness: Drip Drop (medical-grade).

For budget: DIY with salt + lite salt.

For all supplement guides, see: Best Greens Powder.