Journal metric profile

FREE RADICAL BIOLOGY AND MEDICINE Impact Factor 2025

FREE RADICAL BIOLOGY AND MEDICINE has a 2025 Journal Impact Factor of 8.2 and is listed in Q1 with a JCR category rank of 14/191.

JCR-based Impact Factor 8.2 2025 metric year
5-Year Impact Factor 8.6 Longer citation window
JCR Quartile Q1 Subject-category quartile
JCR Category Rank 14/191 Recorded category rank

FREE RADICAL BIOLOGY AND MEDICINE impact factor and ranking

This profile summarizes the journal metrics and publication information available in the current directory record.

Page reviewed August 6, 2026

FREE RADICAL BIOLOGY AND MEDICINE metric snapshot

FREE RADICAL BIOLOGY AND MEDICINE has a bibliometric profile in this directory for 2025. The publisher recorded for the journal is ELSEVIER SCIENCE INC. Its listed Clarivate Journal Citation Reports (JCR)-based Journal Impact Factor is 8.2. The five-year Journal Impact Factor is 8.6, giving a second citation window for comparison. The journal is recorded in quartile Q1 for its listed JCR category.

Category position and quartile

The recorded JCR category position is 14 out of 191 journals. Based on that rank position, the journal sits within approximately the top 7.3% of the listed category. Its listed quartile is Q1. Category ranks and quartiles are field-specific and are not measures of the quality of an individual article.

How the citation indicators compare

The five-year Journal Impact Factor (8.6) is 0.4 points higher than the standard Journal Impact Factor (8.2). Without journal self-citations, the Impact Factor is 7.9, a difference of 0.3 points from the listed standard value. The Journal Citation Indicator (JCI) is recorded as 1.71. These measures use different definitions or citation windows, so they are most useful when read together rather than treated as interchangeable scores.

Citation and publication counts

For 2025, the directory record for FREE RADICAL BIOLOGY AND MEDICINE lists total cites: 53,590; total articles: 488; citable items: 507. These fields describe different parts of the JCR record and should not be combined into an article-level quality score.

Citation half-life profile

The cited half-life is 8.8 years, indicating the median age of items that contributed citations to the journal in the reporting framework. The citing half-life is 7 years, indicating the median age of references used by the journal’s articles.

Identifiers and verification

FREE RADICAL BIOLOGY AND MEDICINE is identified in this directory by print ISSN 0891-5849 and electronic ISSN 1873-4596. The publisher is recorded as ELSEVIER SCIENCE INC. When making submission, library, or research-evaluation decisions, verify the title and identifiers against the journal publisher and the official Clarivate Journal Citation Reports record.

Complete journal information

Use this table to verify the individual metric values, identifiers and publication details stored for this journal.

Journal nameFREE RADICAL BIOLOGY AND MEDICINE
Abbreviated journalFREE RADICAL BIO MED
PublisherELSEVIER SCIENCE INC
Metric year2025
Overall rank815
ISSN0891-5849
eISSN1873-4596
Total cites53,590
Total articles488
Citable items507
Cited half-life8.8 years
Citing half-life7 years
JCR-based Journal Impact Factor8.2
5-Year Impact Factor8.6
Impact Factor without journal self-cites7.9
Journal Citation Indicator1.71
JCR Impact Factor quartileQ1
JCR category rank14/191
Database record updated

Frequently asked questions

What is the 2025 JCR-based Journal Impact Factor of FREE RADICAL BIOLOGY AND MEDICINE?

The Journal Impact Factor recorded in this directory as a Clarivate Journal Citation Reports (JCR)-based value for FREE RADICAL BIOLOGY AND MEDICINE is 8.2 for the 2025 metric year.

What are the JCR quartile and category rank of FREE RADICAL BIOLOGY AND MEDICINE?

FREE RADICAL BIOLOGY AND MEDICINE is listed with quartile Q1 and category rank 14/191. These values are category-specific and should be verified against the official JCR record when used for formal assessment.

What is the five-year Journal Impact Factor of FREE RADICAL BIOLOGY AND MEDICINE?

The five-year Journal Impact Factor recorded for FREE RADICAL BIOLOGY AND MEDICINE is 8.6. It uses a longer citation window than the standard Journal Impact Factor.

Who publishes FREE RADICAL BIOLOGY AND MEDICINE?

FREE RADICAL BIOLOGY AND MEDICINE is listed in this directory as being published by ELSEVIER SCIENCE INC.

Journals in the same approved specialty or subject are shown first, followed by same-publisher or similar-metric records when needed.

Research Area

Subject: Medicine
Specialty: Internal & General Medicine

Subject assignments on this website are used for navigation and are separate from official Journal Citation Reports categories.