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Several possible studies

Story checked

Supplements for Longer-Lasting Erections: What Works and What Doesn't (opens in a new tab)

menshealth.com · 2026-10-16

Short answerEvidenceSource

Short answer

Several possible studies

No confirmed study match.

Several papers could fit this story, but none could be confirmed as its source. The claims remain unverified.

19 candidate papersExplore the search results

These papers were considered as possible sources, but none could be confirmed as the study behind this story.

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NewsLink checks it

Several studies could be the source of this story.

More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.

Open claim evidence
3

Search result

Several studies could fit.

More than one paper fits the article's details, and none fits well enough to single out. Checking claims against the wrong study would be worse than not checking them at all.

Source paper

Source layer

The 5 papers the story cites

Source study separated from background citations.

The research anchor for the report.

The literature search

19 candidate papers

Papers surfaced in our search

These papers appeared in the search for the story’s source. None was confirmed as a direct match. Inclusion here does not mean a paper supports or contradicts the story, or that its full text was reviewed.

Show 15 more search results
Then inspect each claim

Evidence layer

Claim by claim

What the story asserts. With no source study, there is nothing to check these against.

Claim 1 of 7Not checkedL-arginine may benefit heart health and erectile function, and one study found that men with severe or complete erectile dysfunction had significantly lower L-arginine levels than men with milder ED.View evidenceHide evidence

As statedsignificantly lower levels

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 2 of 7Not checkedIn men with mild-to-moderate ED, three months of L-arginine supplementation significantly increased penile blood-flow speed and improved erectile function, but it was not as effective in men with severe ED.View evidenceHide evidence

As statedthree months

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 3 of 7Not checkedAn 8-week trial found that L-arginine plus sildenafil worked better for erectile function than sildenafil alone in men ages 50 and older.View evidenceHide evidence

As stated8-week

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 4 of 7Not checkedL-citrulline is often recommended for stronger erections because it is converted in the body to L-arginine, and one review found it raised blood levels of L-arginine more effectively than L-arginine supplements did.View evidenceHide evidence

As statedone review

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 5 of 7Not checkedOmega-3 fatty acids are presented as a possible maybe for erections because they may improve heart and blood-vessel health, reduce inflammation, and reduce clotting, but the article says the research is mixed.View evidenceHide evidence

As statedmixed

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 6 of 7Not checkedSome research suggests that men with severe vitamin D deficiency have a greater risk of erectile dysfunction, but a five-year trial in men ages 60 to 84 who were not vitamin D deficient found no improvement or prevention of ED at the three-year analysis.View evidenceHide evidence

As statedfive-year trial; three-year mark

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Claim 7 of 7Not checkedSome research has linked folic acid supplementation with improved sexual performance and lower homocysteine levels.View evidenceHide evidence

As statedsome research

Not checked

NewsLink could not identify one source study, so this claim was not compared against a paper.

Finally, the search trail

Method layer

No single source study was found.

The search results are available for you to inspect. Without a confirmed source study, they cannot establish whether the story’s claims are supported or contradicted.

Search results

Candidate papers, not confirmed sources.

Crossref, PubMed, Europe PMC · 19 candidate papers

Explore all search results