Diluted Apple Juice Isotonic Drink
By the QuiteRecipes team (Jamy & Kaïna) | Food Service Professional, Early Childhood Expert & Parents
Half apple juice, half water, a pinch of sea salt — that's your homemade isotonic drink, no label needed. Cheap, clean, and the post-game rehydration that beats any store-bought bottle.
Half apple juice, half water, a pinch of sea salt — that's your homemade isotonic drink, no label needed. Cheap, clean, and the post-game rehydration that beats any store-bought bottle.
🥄 Ingredients
- 🫗 1 cup (250ml) unsweetened apple juice
- 🫗 1 cup (250ml) cold water
- 🫗 1/4 teaspoon fine sea salt
- 🫗 Optional: a squeeze of lemon juice
Nutrition Facts*
*Nutritional information is an estimate and may vary based on ingredients, brands and portion sizes. Values are provided per serving.
👨🍳 Instructions
Warm a small splash of the water and dissolve the salt in it.
Combine the apple juice with the remaining water in a bottle.
Stir in the salted water and lemon juice if using.
Chill and shake before drinking.
⚠️ Common Mistakes
- ✕
Drinking full-strength juice, which is hypertonic and can cause stomach trouble.
- ✕
Skipping the salt, which leaves the drink without any electrolyte value.
- ✕
Forgetting to shake, leaving the salt concentrated at the bottom.
🔄 Variations
Use pear or white grape juice for a change.
Add a pinch of a commercial electrolyte powder for extra minerals.
Serve over ice with a squeeze of lemon.
🧊 Storage
- 📦
Best fresh, but keep refrigerated for up to 24 hours.
- 📦
Give the bottle a good shake before each sip.
💡 Chef Tips
Tip 1: Always dilute 50/50, keeping the drink near-isotonic and easy on the stomach.
Tip 2: Dissolve the salt in warm water first for an even distribution.
Tip 3: Choose unsweetened apple juice and control the sweetness yourself.
❓ FAQ
Why dilute the juice? Half-and-half brings the sugar concentration close to isotonic, absorbing faster and gentler on the gut.
How much sodium does it hold? Roughly 320mg per bottle, thanks to that quarter teaspoon of salt.
Is this safe for young athletes? Yes, it is milder than most store-bought energy drinks.
How many calories are in it? Around 115kcal per 500ml bottle.
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About the Authors
This recipe and guide was developed, tested, and approved in our home kitchen and daily life. Jamy is a retired Food Service District Manager and Early Childhood Program Manager who spent his career overseeing multi-site restaurant operations, large-scale culinary production, and daycare menu management. Kaïna brings the ultimate real-world test: making sure it brings ease and joy to our kids on a busy weeknight.
Read more about our professional background and philosophy →