Travel Hydration Hub
The Science of Travel Dehydration & Fatigue
Travel fatigue is not just tiredness. From the pressurised, bone-dry air of an airliner to the warm-climate stasis of a cruise ship and the cognitive demand of a red-eye before a morning meeting, different transit environments stress the body in specific, measurable ways. Here is the environmental breakdown — and the TRAVELYTES™ formula designed for each.
Generic sports drinks are formulated for sweat replacement during exercise — heavy sugar loads, large serves, and often too much carbohydrate for a professional travel context. TRAVELYTES™ is a targeted travel toolkit: three low-sugar formulations, each engineered for a specific transit environment. Same 4 g stick format, TSA/CAA-compliant carry-on powder, no crash.
1. High-altitude cabin dryness
Flying — pressurised cabins, sub-20% humidity
The environmental threat
Aircraft cabins are pressurised to simulate roughly 6,000–8,000 ft. Relative humidity typically sits below 20% — drier than most deserts. Every breath you take at cruise altitude loses more moisture than the same breath on the ground.
The physical toll
Accelerated fluid loss through skin and respiratory tract, dry eyes and sinuses, sluggish circulation from prolonged sitting, and the "drained" feeling on arrival. Large volumes of plain water without sodium send you to the toilet without meaningfully improving cellular hydration.
The TRAVELYTES™ formula
TRAVELYTES™ FLIGHT is a low-sugar electrolyte stick formulated for the cabin environment — sodium, potassium, magnesium and B-vitamins in a 4 g sachet that mixes into any bottle of water bought airside. Suitable for all flights, short-haul and long-haul, no caffeine.
Explore TRAVELYTES™ FLIGHT2. Maritime stasis and rich dining
Cruising — warm climate, salt air, full-day excursions
The environmental threat
A cruise week combines subtle constant motion, extended periods of low activity, sodium-heavy dining, all-day beverage packages, and warm-climate port excursions that can run 15,000+ steps in 30°C heat.
The physical toll
Higher daily fluid demand than a normal week, sodium/potassium imbalance from rich food and alcohol, port-day dehydration compounded by reboard pressure, and the "day-six slump" that frequent cruisers know well.
The TRAVELYTES™ formula
TRAVELYTES™ CRUISE is a maritime-focused electrolyte stick with added ginger extract, designed for warm-climate port days and long sea-day stretches. Packs flat in an excursion bag, mixes into a bottle of water on the coach, tender or beach.
Explore TRAVELYTES™ CRUISE3. Red-eye performance demand
Time-zone crossings and same-day meetings
The environmental threat
Rapidly shifting time zones, disrupted sleep, and the expectation to perform on arrival — running to a connection, walking into a same-day board meeting, or hosting a client dinner within hours of landing.
The physical toll
Cognitive fatigue on top of dehydration. Reaching for a second or third lounge coffee spikes caffeine on top of an already dry cabin, then crashes an hour into the meeting.
The TRAVELYTES™ formula
TRAVELYTES™ MAX pairs the travel electrolyte matrix with 80 mg of natural caffeine — roughly a small coffee — in one sachet. Designed as the morning-flight or post-red-eye stick where hydration and caffeine are both needed without a second coffee cup on top.
Explore TRAVELYTES™ MAXTRAVELYTES™ FLIGHT, CRUISE and MAX are food supplements that support normal hydration. They are not medicines and are not treatments for flight tiredness, jet lag, motion sickness, altitude sickness or any other condition. Adults only.
Frequently Asked Questions
What actually causes travel fatigue?
Travel fatigue is the combined effect of low cabin humidity, prolonged sitting, disrupted sleep and diet changes. Dehydration is the single biggest lever a traveller can influence — the rest is largely circadian.
Is travel fatigue the same as jet lag?
No. Jet lag is a circadian mismatch caused by crossing time zones. Travel fatigue is the broader physical toll of transit — dehydration, stasis, dry air, disrupted sleep. Hydration supports how you feel but does not treat jet lag.
Why is plain water not enough on a long flight?
Cabin humidity below 20% accelerates fluid loss. Drinking large volumes of plain water without sodium can dilute your electrolyte balance and send you to the toilet without meaningfully improving cellular hydration. Sodium, potassium and magnesium help your body retain and use the water you drink.
What is different about a cruise vs a flight, for hydration?
A flight is a dry-air, low-movement, short-duration event. A cruise is a longer, warmer, higher-sodium event with alcohol available all day and full-day port excursions in the sun. The daily fluid demand is higher on a cruise week than on a flight day.
Which TRAVELYTES™ product suits a red-eye flight before a morning meeting?
TRAVELYTES™ MAX pairs travel electrolytes with 80mg natural caffeine — comparable to a small coffee. It suits the morning-after-red-eye slot without a second lounge coffee on top of an already dry cabin.
Can I use all three formulas on one trip?
Yes. Frequent travellers commonly pack MAX for the outbound morning flight, FLIGHT for the return sector and cabin sleep, and CRUISE for a port-day excursion or a warm-climate stopover. All three sticks are TSA/CAA-compliant carry-on powder.