General Information

Revista Mexicana de Endocrinología, Metabolism & Nutrition is the official journal of the Sociedad Mexicana de Nutrición y Endocrinología. The journal publishes peer-reviewed articles in endocrinology, metabolism, and nutrition. Starting on may 2026, all articles will be accepted only in English. 

All manuscripts undergo double-blind peer review and must be submitted through the online system: http://publisher.revistamexicanadeendocrinologiaynutricion.permanyer.com

 

Manuscript Preparation

Language

Manuscripts must be written in clear, grammatically correct English. Authors are strongly encouraged to have the manuscript reviewed by a professional language editor if necessary.
 
 

Manuscript Format

All submissions must comply with the following format:

•    File format: Microsoft Word (.doc or .docx) 

•    Page size: Letter (21.5 × 28 cm) 

•    Margins: 2.5 cm on all sides 

•    Font: Times New Roman or Arial, 12-point 

•    Line spacing: Double-spaced throughout (including references, tables, and figure legends) 

•    Alignment: Justified 

•    Page numbering: Consecutive, upper right corner 
 

Files Required for Submission

1. Title Page (separate file)

Must include:

•    Full title (maximum 100 characters including spaces) 

•    Short running title (maximum 40 characters) 

•    Full names of all authors (no academic degrees) 

•    Institutional affiliations (Department / Institution / City / Country) 

•    Corresponding author (full name, email, address) 

•    ORCID for each author (recommended/required if available) 

•    Funding sources 

•    Acknowledgments 

•    Conflict of interest statement  

 

2. Blinded Manuscript (main document)

Must NOT contain identifying information.

Include text in the following order:

•    Title (without author information) 

•    Abstract (Spanish and English) 

•    Keywords 

o    Include 3–6 keywords. 

o    The editors suggest using the most recent MeSH (Medical Subject Headings) terms available. List available at: https://meshb.nlm.nih.gov

•    Main text 

•    References 

•    Tables 

•    Figure legends (NOT figures) 

 

3. Figures (separate files)

•    Must be submitted individually, not embedded in the manuscript 

•    Acceptable formats: JPG, TIFF, EPS, PDF, PowerPoint, Illustrator 

•    Minimum resolution: 600 dpi 

•    Must be editable when applicable (graphs preferred in Excel, PowerPoint, etc.) 

•    Figures must be prepared in a uniform style, preferably in black-and-white or grayscale, and with a plain white background, to ensure consistency and adequate reproduction quality. The use of color should be limited to cases where it is essential for scientific interpretation.

•    File names should match figure numbers (e.g., Figure1.tiff) 

 

4. Supplementary Files (if applicable)

•    Cover letter (mandatory) 

•    Ethical approval documents (if applicable) 

•    Reporting guideline checklists (CONSORT, STROBE, PRISMA, etc.) 

Supplementary materials may be requested as part of the peer-review process; however, they are not necessarily intended for publication on the journal’s website.
 

Abstract

The abstract must provide concise and relevant information that adequately summarizes the scientific content of the manuscript and encourages readers to access the full article. It should include the key elements necessary to clearly present the study and its main findings.

For case reports, the abstract must include the patient’s age, sex, and main presenting complaint. Relevant laboratory results should be reported with units and reference ranges in parentheses, when applicable.

Authors are expected to clearly state the principal results. Abstracts containing vague statements such as “results are described in the text” or similar expressions will not be accepted.

•    Maximum 200 words (100 for clinical cases/images) 

•    Structured for original articles: 

o    Objective 

o    Methods 

o    Results 

o    Conclusions 
 

Manuscript Structure

Original Articles

•    Introduction 

•    Materials and Methods 

•    Results 

•    Discussion 

•    Conclusions 

•    Acknowledgments (optional; included only in Title Page to preserve anonymity) 

•    References 

 

Clinical Cases

•    Abstract (≤100 words) 

•    Introduction 

•    Case Presentation 

•    Discussion 

•    References 

 

Review Articles,  positionings, consensus or guidelines. 

•    Should contain:  Introduction, Methods [systematic review, state of the art, consensus, Delphi methodology, etc], Discussion, Conclusions) 

Review articles should address a current topic of clinical or scientific relevance in the fields of endocrinology, metabolism, or nutrition. The manuscript should provide a comprehensive, critical, and well-structured analysis of the available evidence. The core of the Review — the critical discussion — should follow a logical flow, organized into major sections, each dedicated to a particular area of research, with sub-sections to help to structure the discussion.

The corresponding author or lead author is expected to have recognized expertise in the subject area. If the editors request it, authors must provide a list of their relevant publications that supports their experience and authority in the topic under review.

Reviews should be based primarily on literature published within the last five years. Older references may be included only if they are considered highly relevant or foundational to the topic. Special interest should be paid to areas of conflict, limitations regarding the patient management in México or regions with similar conditions and conclude summarizing the key take-home messages and future directions for the field. 
In the case of position statements, the manuscript must clearly justify the need for issuing a formal statement on behalf of a working group or the Sociedad Mexicana de Nutrición y Endocrinología. The rationale, scope, and intended impact of the statement should be explicitly described. Also, special interest should be paid to local research data (or lack of it) and the experts opinions on matters where no information is available in Mexico or there are limited access to resources suggested by international guidelines or consensus. 
Individual position statements will not be accepted, unless they have been specifically requested by the Editors or the Scientific Committee.

Manuscripts titled as “consensus” or “guideline” must adhere to established methodological standards appropriate for such documents. These include, among others, a clearly defined process for evidence review, structured evaluation of the quality of evidence, and a transparent method for formulating and grading recommendations. These methodological elements must be explicitly described in the Methods section. Submissions that consist only of a narrative or non-systematic review of the literature do not meet these criteria and should be submitted as a “review article” instead. For further guidance on the development and reporting of consensus statements and clinical practice guidelines, authors are encouraged to consult internationally recognized frameworks such as GRADE (Grading of Recommendations Assessment, Development and Evaluation), the AGREE II instrument, and the RIGHT statement (Reporting Items for Practice Guidelines in Healthcare).

 

Reporting Guidelines (MANDATORY)

Authors must adhere to international reporting standards and explicitly state compliance in the Methods section:

•    Clinical trials: CONSORT 

•    Observational studies: STROBE 

•    Systematic reviews / meta-analyses: PRISMA 

•    Diagnostic studies: STARD 

•    Sex and gender reporting: SAGER 

•    Other designs: EQUATOR Network guidelines 

A completed checklist must be uploaded as a supplementary file. If not applicable, authors must provide a statement.

 

Ethical Requirements

Manuscripts must include:

•    Approval by an Institutional Ethics Committee 

•    Statement of informed consent (when applicable) 

•    Compliance with the Declaration of Helsinki 

•    Protection of patient identity 

Ethical statements should be included in the Methods section and also declared during submission.
The use of artificial intelligence (AI) tools for language editing, translation, or manuscript preparation is not prohibited; however, it must be clearly disclosed. Authors should specify the tool(s) used and the purpose of their use (e.g., translation, grammar correction) in an appropriate section of the manuscript (e.g., Acknowledgments or Methods). The authors remain fully responsible for the accuracy, integrity, and originalityof the content, as well as for ensuring that no confidential or sensitive information has been improperly processed. Editors will consider the suitability of the use outlined. This policy applies to all authors and contributors submitting content for publication in the RMEMN. It applies to all formats, including, without limitation, all text, audio, video and audio-visual material, abstracts, databases, tables, data, diagrams, photographs and other images or illustrative materials.
 
References

•    Must follow Vancouver style 

•    Numbered consecutively in order of appearance 

•    Use Arabic numerals in superscript 

 

Authors:

•    Up to 6 authors: list all 

•    More than 6: first 6 + et al. 

Example: Welt CK, Chan JL, Bullen J, Murphy R, Smith P, DePaoli AM, et al. Recombinant human leptin in women with hypothalamic amenorrhea. N Engl J Med. 2004;351:987–997.
 

Tables

Tables should be self-contained and interpretable independently of the main text. Each table must include all necessary information for proper understanding, including a clear and concise title, definitions of all abbreviations, units of measurement, and reference ranges where applicable. Any additional explanatory notes required for interpretation should be provided as footnotes.

Authors are encouraged to present information in a clear and concise manner, avoiding unnecessary text while ensuring completeness.

Tables summarizing data from previously published studies must include the corresponding citations, indicated under a separate heading as “References:”, followed by the appropriate reference numbers as listed in the manuscript.

•    Numbered consecutively using Arabic numerals 

•    Included at the end of the manuscript 

•    Title at top, notes below 

 

Figures

Authors are encouraged to present information in a clear and concise manner, avoiding unnecessary images or text in the image, while ensuring completeness.

Figures summarizing data from previously published studies must include the corresponding citations, indicated under a separate heading as “References:”, followed by the appropriate reference numbers as listed in the manuscript.

Authors are encouraged to create their own figures using freely available tools or software. If a figure has been created using software that requires copyright acknowledgment, or if it is derived, adapted, or reproduced from previously published material, this must be clearly stated in the figure legend, including the appropriate credit and permission information where applicable.
Multi-Panel Figures: Combine multiple images, graphs, and labels into a single file, ensuring consistent formatting, with a visible font size (usually Arial in contrast with the image), and labeling (A, B, C). 

Images must be: 

•    Numbered consecutively (Arabic numerals) 

•    Not embeded in the main text, but submitted as separate files.  

•    Figure legends must be included at the end of the manuscript including the figure number

All images containing patient information (including clinical photographs, imaging studies, and pathology slides) must be fully anonymized to protect patient identity and confidentiality.

•    Any identifying information (e.g., patient name, hospital name, medical record numbers, dates of birth, or institutional identifiers) must be completely removed or obscured.

•    In clinical photographs, facial features that may allow patient recognition should be concealed. When not essential for scientific interpretation, the eye region should be masked.

•    Any other potentially identifying marks (e.g., tattoos, scars, or unique features) should be concealed unless they are directly relevant to the clinical findings.

•    For radiological or pathology images, all labels containing patient or institutional identifiers must be removed or obscured prior to submission.

•    Image editing for anonymization must not alter or obscure relevant clinical or scientific information.

Measurement scales, calibration markers, and anatomical or pathological features necessary for interpretation must remain clearly visible.

When indicators such as arrows, symbols, or markers are used within a figure, the figure legend must clearly describe what each indicator represents. All symbols, arrows, or labels included in the image should be explicitly defined to ensure accurate interpretation without referring to the main text.

Authors are responsible for ensuring that all submitted images comply with patient privacy regulations and ethical standards. When applicable, written informed consent for publication of images must be obtained.
 
Article Types and Limits

Original Articles

•    Max: 10 pages 

•    7 figures or tables (combined)

•    References: 45 

 

Review Articles or Positionings 

•    Max: 20–22 pages 

•    6 figures or tables (combined)

•    References: 50 

 

Clinical Cases

•    Max: 10 pages 

•    6 figures or tables (combined)

•    References: 30 

 

Image in Endocrinology

•    Max: 2 figures 

•    Text: ≤100 words 

•    References: ≤3 
 

Copyright and Cover Letter

All submissions must include a cover letter stating:

•    The manuscript is original and not under consideration elsewhere 

•    All authors approve submission 

•    Disclosure of conflicts of interest 

•    Agreement to transfer copyright upon acceptance 
 

Proofs

Authors will receive PDF proofs for final review. Only minor corrections are allowed at this stage. Substantial changes require editorial approval.
 

Editorial Process

1.    Initial technical check 

2.    Editorial screening 

3.    Peer review 

4.    Decision (accept / minor / major / reject) 

5.    Production (editing, DOI, layout) 

6.    Ahead-of-print publication 

 

The initial technical check is conducted by the editorial office to ensure that all required files have been properly uploaded and that the manuscript includes the basic sections required by the journal. Passing this stage does not guarantee acceptance and does not preclude the need for further modifications in structure, format, or content during the editorial and peer-review process.

Once the initial technical check has been completed, the Editors will conduct a preliminary scientific evaluation and, if appropriate, send the manuscript for external peer review. Final acceptance will depend on the reviewers’ assessments, and manuscripts will be accepted only if they are considered relevant to the journal’s scope and of sufficient scientific quality for publication.

The time for the final decision may change according to the availability of the reviewers. 
Reviewers are invited to provide constructive, objective, and respectful evaluations, focusing on the scientific quality, methodological rigor, and clarity of the manuscript, with the aim of improving the work. Reviewers must also declare any potential conflicts of interest and decline participation if these could affect their impartiality.

The use of Artificial Intelligence (AI) for peer review is acceptable as long as the reviewers state the use given to this technology and the software (s) used.  Editors will consider the suitability of the use outlined. The use of tools for plagiarism detection, grammar review, or language assessment is permitted as support for the evaluation process. However, reviewers must ensure that any tools used comply with confidentiality standards and do not involve uploading manuscript content to platforms that may store, reuse, or disclose the information.

The use of artificial intelligence tools to generate or substantially draft peer-review reports is discouraged. If such tools are used for language assistance, this should be limited, and reviewers remain fully responsible for the content, accuracy, and judgment expressed in their review.

Reviewers may decide if the manuscript has been accepted as is, rejected or if it requires revisions. Minor or major revisions do not guarantee that the manuscript will be accepted. 

Only when the article has been accepted, the Editorial will start the final editing, including the review of the galleys. As the article will already have been edited according to the journal’s internal editorial guidelines, style corrections will not be accepted. Only minor changes (syntax, grammar, etc.) can be done at this point and the review is responsibility of the authors. This PDF article will be sent via e-mail to the corresponding author and the comments must be added to the format and sent back to the editorial. Alternatively, authors may list their corrections and submit them via email. Any major changes at this stage will be subject to the approval of the Editor. Authors should make sure to include all changes in a single email, as we cannot guarantee the inclusion of subsequent corrections.
 

Final Note

Manuscripts not compliant with these instructions will be returned prior to peer review.
 

 

Relevant links

Committee on Publication Ethics. Ethical Guidelines for Peer Reviewers

International Committee of Medical Journal Editors. Responsibilities in the Submission and Peer-Review Process