The Heat Index
Notes from
the heat.
Plain, useful writing on hydration, electrolytes and living in the heat. No hype, no health drama — just what we know, and what we leave off the label.
2 Jun 2026 · 3 min read
What you actually lose when you sweat
In the heat, your body loses more than water. Here's what leaves the bottle with it — and why sodium tops the list.
Read4 Jun 2026 · 4 min read
How much should you really drink in a UAE summer?
Thirst is a late signal. Here's a sane way to think about water when it's 42°C outside — without turning it into a science project.
Read9 Jun 2026 · 4 min read
Why three electrolytes, not twenty ingredients
The back of most hydration packs reads like a vitamin aisle. We went the other way — and left things off on purpose.
Read16 Jun 2026 · 4 min read
Electrolytes for padel, golf and running in the heat
The sports we actually play here are long, outdoor and sweaty. Here's where a sachet fits into them.
Read23 Jun 2026 · 5 min read
How to read an electrolyte label
Two powders can look identical on the front and be completely different on the back. Here's what to actually check.
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