Electrolyte drinks

Post-workout hydration drink

The one where the sugar is a feature, not an oversight.

A sports bottle of pale yellow drink on a bench beside a lemon half and a towel.
🤖 This image was generated with AI, not photographed. We're working on sourcing real photography for these recipes.
Jump to the recipe ↓ ⏱ 3 min · 🥛 one large bottle, about 500 ml

Every other recipe here treats sugar as something to minimise. This one does not, and that is deliberate: after a genuinely hard session you have burned through muscle glycogen as well as sweated out salt, and carbohydrate is how you put the first one back.

It is also not a coincidence that commercial sports drinks land around 6% carbohydrate. That concentration empties from the stomach fastest — thicker and it sits there, thinner and you are just drinking salty water.

If your workout was forty minutes of moderate effort, you do not need this. Have water.

How to make it

Hands on
3 min
Total
3 min
Makes
1 serving
Per glass
111 kcal

Ingredients

Method

  1. Dissolve the salts

    Put both salts and the syrup in the bottle with a splash of warm water and shake until completely clear. Undissolved salt sinks and you drink it all at the end.

  2. Add the citrus

    Lemon juice, then top up with cold water. The acid is not decoration — without it this tastes like sweetened seawater.

  3. Chill it properly

    Cold drinks empty from the stomach faster than warm ones and are far easier to get down after hard effort. Make it before you train and leave it in the fridge.

Worth knowing

What it actually does for you

Calories
111 kcal
Sugar
25 g
Sodium
595 mg
Potassium
509 mg
Magnesium
8 mg

The most calorie-dense drink here and the only one where that is the intention. At roughly 5% carbohydrate it sits in the range that empties from the stomach fastest, with sodium and potassium both at useful levels. Drinking this instead of water on a rest day is simply drinking 111 kcal you did not need.

How this was worked out: 1.5 g sea salt gives 590 mg sodium (salt is 39.3% sodium); 0.75 g potassium chloride gives 393 mg potassium (52.4% potassium). 40 g maple syrup adds about 104 kcal, 24 g sugar, 85 mg potassium and 8 mg magnesium; 30 ml lemon juice adds about 7 kcal and 31 mg potassium (USDA FoodData Central).

Variations

Honk the goose

Making it is the easy part

Remembering to drink it is the hard part. Honk watches your webcam with on-device AI and honks until you do, as gently or as loudly as you like.

Meet Honk → join the waitlist

Questions

Why not make it sugar-free?

Because the sugar is doing two jobs. It replaces muscle glycogen after hard effort, and glucose actively helps your gut co-transport sodium and water — which is the mechanism behind oral rehydration therapy. For a hard session both matter. If you want the sugar-free version for ordinary days, that is a different recipe on this hub.

How does this compare to a commercial sports drink?

Favourably on sodium and potassium, and it is roughly comparable on carbohydrate. A typical isotonic drink runs about 6% carbohydrate with 230 to 500 mg sodium per 500 ml; this lands at around 5% carbohydrate with 595 mg sodium and considerably more potassium. What you lose is the flavour engineering and the convenience.

Drink this next

← All hydration recipes