Jet Lag

About Jet Lag — General Health.

Circadian disruption from rapid travel across time zones. Affects sleep, digestion, and cognition.

4studies analysed

1compounds with evidence

Systematic reviewstrongest evidence

Where research is strongest

Melatonin 42

1linked compounds

10linked studies

0published community reports

On this pageBy the numbers Community outcomes Research Compounds

Evidence analytics

Where the evidence is concentrated.

Audited published research per compound. Drill into a pair for the breakdown.

Bar length counts published studies — green marks studies reporting at least one benefit, slate the other studies (no benefit, unclear or harm); labels read benefit studies / all studies.

Studies reporting a benefit
Other studies
◆ Research score (0-100)

◆ marks each compound's research score (0-100): how consistently published studies reported a benefit, weighted by study design. It summarises the research, not how well a compound will work for you.

Degree of benefit: what studies found for JET LAG

Compounds with published trial evidence for this condition, ranked by strength of evidence. Each result is put in plain terms and comes from the study itself — open “Exact figures” for the published statistics, or follow the study link to read the paper.

Compound	Evidence strength	What studies found
MelatoninResearch score 42/100 · Limited	3 systematic reviews/meta-analyses + 1 randomised trial — 4 studies	5/9 outcomes showed benefit Jet lag symptoms after crossing five or more time zonesFor every 2 people treated, 1 more improved than with the comparisonbenefit2002 study ↗ Exact figures 2 NNT · PMID 12076414 Jet lag symptoms after crossing five or more time zonesFor every 2 people treated, 1 more improved than with the comparisonbenefit2001 study ↗ Exact figures 2 NNT · PMID 11279722 Symptoms associated with jet lag syndromeReported a benefit — measurement not reported

Community outcomes

No community reports published yet.

We publish community results for jet lag only once at least 10 people have reported on the same compound — so no individual report is ever shown. Until then, here is the research side on its own.

Melatonin
Research saysResearch score 42/100 · Limited4 of 4 studies reported at least one benefit
People reportNot published yet — needs 10 or more reports

Used something for jet lag? Sharing how it went for you helps the next person — it is only ever published as part of a group of 10 or more.

Add your outcome

Peer-reviewed research

Keep evidence in the room.

Open the original papers, check their methods, and discuss what is relevant with a qualified professional.

Every study behind the numbers above is linked next to its result.

6 more papers on jet lag not summarised above

Ordered by strength of evidence, then result direction.

01Evening wear of blue-blocking glasses for sleep and mood disorders: a systematic reviewHester L, et al. · Chronobiology international · 2021