The connected field guide · Nutrient or compound

Vitamin a

A familiar starting point. A wider world of research.

Follow vitamin a through source-linked records, connected to Skin ageing and Vision ageing. Explore the connections, then open the original evidence.

Explore the evidence
An unexpected connectionvitamin acarotenoidsMentioned in the same record · inspect the source ↗
Object familyNutrient or compound
Initial selectionOpen the selected records 24More available
In the initial selection22 publications · 2 registrations
Recent source year2026
01 / Follow your curiosity

Unexpected company.

A selection of other objects mentioned in these records. Inspect the shared source to see the connection; a shared mention does not mean the same effect.

vitamin a
More connections in this selection
02 / Follow the bigger question

Where the research leads.

Published topic links attached to the selected records. Each dossier opens a wider field, including its own research ecosystem.

Meet the wider research ecosystem.

Follow a connected field into its universities, funding and patent activity.

University, grant and patent activity in a topic dossier concerns that wider field; it is not a vitamin a-specific total.

03 / Understand the evidence

Different records. Different questions.

This is the composition of the initial 24-record selection, not the entire collection. Open a group to inspect its supporting records. Publication types and existing automated evidence labels describe records, not their quality or conclusions. Unclassified records remain in “Other research records”.

Reviews & syntheses 4Other research records 16Randomized human studies 1Trial registrations 2Other human studies 1
04 / Keep exploring

The recent trail.

Recent sources in this selection: publication months for publications, registry update months for registrations.

  1. Reviews & syntheses

    Vitamins and skin aging.

05 / A little useful context

Good questions to bring along.

What can I learn about vitamin a here?

See which permitted records mention this object, follow the topics and other objects connected through those records, and inspect the sources. Whole foods, preparations, extracts and isolated compounds keep separate identities.

Do these records establish a benefit?

A mention is a starting point for discovery. Open each original source to assess the study design, population, findings and limitations. A trial registration describes planned or registered work; it is not itself a result.

How can I compare related objects?

Open a connected object and compare the actual records, preparations and research settings. “Mentioned in the same record” explains a navigation link; it does not establish equivalence, composition or causality.

How complete is this picture?

This is the current eligible selection from the immortal.life index; use Show more records to continue browsing. Missing records or classifications do not prove that research is absent. Source permissions and corrections can change the selection.

Open the evidence.

24 records shown · more available

About this collection: scope and limitations

Nutrient or compound · Compound identity, formulation and the studied outcome matter. A record about a related substance, a product or a mechanism does not automatically apply to this identity.

Questions to check in the original studies

  • Which compound and formulation does the source identify?
  • Which population and outcome were studied?
  • Is an observation about a measured outcome being distinguished from a claim about ageing or lifespan?

What the displayed selection contains

22 research metadata records and 2 trial registrations were returned in the initial selection. More records can be loaded above. This is not a complete worldwide evidence review. These counts do not measure benefit, safety or evidence certainty.

Interpretation remains unassessed

Open the original sources to assess study design, findings and applicability. A trial registration is not a result; a metadata mention is not a scientific conclusion. Missing matches do not establish that research is absent.

Index snapshot: . This is the index projection timestamp, not the date of a discovery or expert review.

Cite this research-navigation view

immortal.life. vitamin a: research mentions. https://www.immortal.life/explore/vitamin-a. Projection snapshot: 2026-10-15T11:58:00.196Z.

Include your access date. This citation identifies an automated navigation view, not a clinical conclusion. The live selection can change with corrections and source permissions.

Matching, coverage and vocabulary provenance

This automated index uses permitted minimal bibliographic metadata and checks current source and record eligibility. Literal title or controlled-term matches are discovery relationships, not scientific findings. Retained metadata coverage is bounded; historical completeness of external sources is not certified.

Foods, preparations, extracts and compounds retain distinct identities. Ambiguous labels require a choice. Source AI processing, model training and raw redistribution are disabled for this search.

Vocabulary attribution: FoodOn contributors, CC BY 4.0, filtered own-namespace labels/IDs and references; courtesy of the U.S. National Library of Medicine, 2026 MeSH vocabulary terms, filtered labels/entry terms; USDA FoodData Central, Foundation Foods April 2026, CC0, filtered identifiers/descriptions. No source endorsement. Navigation spelling/plural changes are separately attributed.

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