Taking a specific type of hyaluronic acid pill every day for 3 months can noticeably reduce the wrinkles around your eyes, according to a study where people who took it had 22% fewer wrinkles than those who took a fake pill.
Claim Language
Language Strength
definitive
Uses definitive language (causes, prevents, cures)
The claim uses 'significantly reduces' and 'suggesting a direct causal effect', which imply a deterministic outcome rather than a probabilistic or associative relationship. 'Significantly' paired with 'p < 0.05' and 'direct causal effect' reinforces definitive language.
Context Details
Domain
medicine
Population
human
Subject
Healthy Japanese adults aged 22–59
Action
significantly reduces
Target
crow’s feet wrinkles
Intervention Details
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.
Evidence from Studies
Supporting (1)
Oral hyaluronan relieves wrinkles: a double-blinded, placebo-controlled study over a 12-week period
This study gave people 120 mg of a specific type of hyaluronic acid every day for 12 weeks and found their crow’s feet wrinkles got noticeably smaller — just like the claim says.