Seriously: if you only need electrolytes today , you can make them at home with kitchen items.
Homemade Saltz (only "homemade" ingredients, no sugar)
Objective: To replenish sodium in a simple, quick-fix way for training.
“Saltz 500” version (≈ 500–600 mg of sodium)
For 500 ml of water:
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Table salt (NaCl): ¼ teaspoon (~1.5 g of salt → ~600 mg of sodium)
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Lemon juice: ½–1 teaspoon (just to lessen the salty taste)
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Mix until dissolved. Drink throughout your workout.
Tip: If it becomes too salty, increase the water volume to 600–750 ml .
If you have a sodium restriction/kidney condition , do not use this preparation.
“Saltz 1000” version (≈ 950–1,150 mg of sodium)
For 750–1000 ml of water:
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Table salt (NaCl): “almost” ½ teaspoon (~2.5–3.0 g → ~1,000–1,150 mg of sodium)
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Lemon juice: 1 tablespoon
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Mix until dissolved. Use on hot days and for long workouts.
Taste tip: more water = less salt on the tongue . Avoid making 1000 mg in only 500 ml — it will taste like "seawater".
Optional (homemade):
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A tiny pinch of "light salt" (the kind used for cooking with potassium) can add potassium , but it changes the taste (it becomes more bitter). Use sparingly.
Complete transparency: it's homemade, works like "fast sodium," and has no standardization or purity/contamination controls . Make it on the day and test it first with light workouts.
Transfer to a bottle. We even have 3 bottles for this at Z2. The rigid one , the flexible one , and the ELITE one . If you're interested in buying these, use the coupon code blogvcb.
SO... WHY DOES SALTZ EXIST?
Because true endurance isn't just about throwing salt in the water.
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The right dose, in the right sachet: 500 mg or 1000 mg of actual sodium (NaCl) — ready to be diluted to the ideal volume.
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Magnesium in the right amount (no homemade label lottery).
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No sugar (it won't become dessert in the heat).
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Carefully crafted palatability : flavors designed to avoid becoming tiresome at kilometer 30.
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Stable texture and osmolarity : dissolves easily, doesn't "stick" in the mouth.
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Tablets and sachets for the test/pocket/backpack — zero mess.
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Quality and safety : batch tested, Z2 standard. You train; we take care of the rest.
If you enjoy making your own electrolyte at home, here's the recipe.
If you don't want to go to all that trouble (and want the convenience, flavor, and consistency that matter when the sun breaks), SALTZ is here for you.
Choose your SALTZ (500 or 1000) or subscribe to a Z2 Pack and never run out of hydration on your long run again.
