Analysis Version
v1
History
Back to Study: Ingested hyaluronan moisturizes dry skin...
correlational
Analysis v1
1
Pro
0
Against

Taking hyaluronan by mouth might help your skin make more of its own hyaluronan and boost skin cell growth, according to lab and animal studies.

Claim Language

Language Strength

association

Uses association language (linked to, correlated with)

The claim uses the phrase 'is associated with', which indicates a statistical or observational link rather than a direct cause-and-effect relationship, placing it in the 'association' category.

Context Details

Domain

medicine

Population

human

Subject

Oral hyaluronan

Action

is associated with

Target

increased hyaluronan synthesis and fibroblast proliferation in human skin

Intervention Details

Type: supplement

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)

1
1

Ingested hyaluronan moisturizes dry skin

Narrative Review
2014 Jul 11

This study found that when people took hyaluronan pills, their skin got moister because their skin cells made more hyaluronan and multiplied more — exactly what the claim says.

Contradicting (0)

0
No contradicting evidence found

Source Study

Ingested hyaluronan moisturizes dry skin

Score: 1
DOI: 10.1186/1475-2891-13-70

Similar Assertions

When mice eat hyaluronan, it’s probably not the whole molecule that helps their skin and joints—it’s the smaller pieces it breaks down into that do the work.

6
0
80%

Taking hyaluronic acid by mouth might help keep your skin more hydrated, especially if you're Chinese or have mixed heritage, but the studies so far aren't very reliable.

1
0
76%

People who swallow hyaluronic acid supplements—whether they’re big or small molecules—tend to have moister skin, which suggests the size of the molecule doesn’t matter for this effect.

0
0
74%

Taking hyaluronic acid pills might trick your skin cells into making more of their own hyaluronic acid and collagen by sending signals from your gut, which could help your skin look healthier.

0
0
73%

When mice swallow hyaluronan, almost none of it gets into their bloodstream whole—just a tiny bit—so any effects they feel probably come from gut bacteria breaking it down, not from the original substance.

9
0
73%