Making your own electrolyte powder takes about five minutes and requires only a few inexpensive ingredients you can find at any grocery store. The basic formula combines salt (for sodium), a potassium source, and something sweet, mixed in proportions that help your body absorb water efficiently. Once you understand the ratios and the role each ingredient plays, you can customize flavors and adjust the balance to suit your needs.
What Goes Into Electrolyte Powder
Every electrolyte drink, commercial or homemade, delivers the same core minerals: sodium, potassium, and usually a small amount of magnesium. Sodium and potassium are the two your body loses most through sweat, and they’re the ones that matter most for hydration. A small amount of sugar isn’t just for taste. It activates a transport mechanism in your intestines that pulls sodium and water into your bloodstream faster than water alone.
Here’s what you need:
- Table salt or sea salt: Your sodium source. One quarter teaspoon contains roughly 575 mg of sodium.
- Lite salt (potassium chloride blend): Sold under brand names like Morton Lite Salt, this is a 50/50 mix of regular salt and potassium chloride. It’s the easiest food-grade potassium source available. Most people can’t taste the difference from regular salt when potassium chloride makes up 30% or less of the blend.
- Sugar, honey, or dextrose: A small amount helps with absorption. Too much makes the drink harder to absorb, not easier.
- Citric acid (optional): Adds tartness and acts as a mild preservative. You can find it in the baking or canning aisle.
- Flavoring (optional): Freeze-dried fruit powder, powdered lemon or lime juice, or powdered coconut water all work well and stay shelf-stable.
A Basic Recipe for One Serving
This recipe makes a single serving you dissolve in about 16 ounces (500 ml) of water. It lands in the range that sports scientists call hypotonic, meaning it has a lower concentration of dissolved particles than your blood. Hypotonic drinks (below 275 mOsm/kg) are absorbed faster than isotonic ones, making them a good choice for general hydration and light to moderate exercise.
- 1/4 teaspoon table salt (~575 mg sodium)
- 1/4 teaspoon lite salt (~290 mg sodium + ~350 mg potassium)
- 1 tablespoon sugar or honey (~12 g carbohydrate)
- 1/8 teaspoon citric acid (for tartness)
- Flavoring to taste (a squeeze of lemon juice, a pinch of freeze-dried berry powder, etc.)
Stir everything into cold or room-temperature water until dissolved. That’s it. You’ll get roughly 865 mg of sodium and 350 mg of potassium per serving, which is a solid rehydration profile for a sweaty workout or a hot day. For comparison, a standard Pedialyte serving contains about 490 mg sodium and 370 mg potassium per 500 ml.
Making a Bulk Batch
If you want a jar of powder ready to scoop, scale the recipe up. A batch of 30 servings keeps the math simple:
- 2.5 tablespoons table salt
- 2.5 tablespoons lite salt
- 1.5 cups granulated sugar (or substitute dextrose powder for faster absorption)
- 1 teaspoon citric acid
- 2 tablespoons powdered lemon juice, freeze-dried fruit powder, or powdered coconut water
Combine everything in a bowl and whisk thoroughly so the salt distributes evenly. Transfer it to an airtight jar or container. To use, add one level tablespoon plus one teaspoon of the mix to 16 ounces of water. Weighing your ingredients with a kitchen scale gives you the most consistent results, especially for the salts.
How to Adjust the Flavor
The biggest obstacle with homemade electrolyte drinks is taste. Salt water isn’t pleasant, and the more sodium you add, the harder it is to mask. A few strategies help.
Citric acid is the single most effective flavor tool. It creates the sour punch that makes commercial mixes taste like a sports drink rather than ocean water. Start with 1/8 teaspoon per serving and increase from there. Freeze-dried berry powder (strawberry, blueberry, or raspberry) adds natural color and flavor without significant sugar. Powdered lemon and lime juice work well and dissolve cleanly. A pinch of cayenne pepper with lemon powder creates a surprisingly good “spicy lemonade” profile. Peppermint extract, about 1/4 teaspoon per batch, is another option if you prefer something cooling.
If you want to reduce sugar further, you can replace some or all of it with a non-nutritive sweetener like stevia or monk fruit powder. Just know that cutting sugar entirely removes the absorption benefit. Even a small amount, around 5 to 6 grams per serving, is enough to activate the sodium-glucose transport pathway in your gut.
Sodium and Potassium Safety
The recommended daily sodium limit for adults is less than 2,300 mg, which is about one teaspoon of table salt. A single serving of the recipe above provides roughly 865 mg, so drinking two or three servings a day on top of a normal diet could push you past that threshold. If you’re using this for everyday hydration rather than heavy exercise recovery, consider cutting the salt amounts in half.
Potassium is generally safe at high dietary intakes for healthy adults with normal kidney function. The adequate intake recommendation is 3,400 mg per day for adult men and 2,600 mg for adult women. At 350 mg per serving, this recipe contributes a modest amount. However, people with chronic kidney disease, diabetes, severe heart failure, adrenal insufficiency, or anyone taking medications that affect potassium excretion should be cautious with added potassium from lite salt. In those groups, excess potassium can build up in the blood and cause dangerous heart rhythm changes.
Keeping Your Powder Fresh
Dry electrolyte powder is inherently shelf-stable because bacteria need moisture to grow. The enemy is humidity. Salt and sugar are both hygroscopic, meaning they pull water out of the air, which causes clumping and can eventually degrade the mix. Store your powder in a tightly sealed container in a cool, dark place like a pantry or cupboard. Avoid spots near the stove or windows where heat and light fluctuate.
A properly stored dry mix will last for months without losing potency. If you’ve mixed it with water, drink it within one to two days and keep it refrigerated in the meantime. Adding a food-safe silica gel packet to your storage jar helps absorb stray moisture and prevents the powder from caking into a solid block.
When to Use More or Less
The recipe above is designed for moderate activity, warm weather, or mild dehydration. You can adjust the ratio depending on the situation. Endurance athletes or people working outdoors in extreme heat often need more sodium, closer to 1,000 to 1,500 mg per hour of sustained effort. For that, increase the table salt to 1/2 teaspoon per serving and sip throughout the activity rather than drinking it all at once.
For light daily hydration, where you just want something more effective than plain water, halve the salt and keep the potassium and flavoring the same. This gives you a lightly mineralized drink similar to what you’d get from a coconut water, without the price tag. If you’re recovering from a stomach illness with vomiting or diarrhea, stick closer to the full-strength recipe. Isotonic solutions, which match your body’s own concentration (275 to 295 mOsm/kg), are the standard for medical rehydration and require slightly more sugar and salt than the basic recipe provides.