AJ

American Journal of Clinical Nutrition

The American Journal of Clinical Nutrition is a peer-reviewed primary research journal in nutrition and dietetics and an official monthly publication of the American Society for Nutrition. It publishes research relevant to human and clinical nutrition, including obesity, vitamins and minerals, nutrition and disease, energy metabolism, well-controlled clinical studies of dietary interventions, public health and epidemiologic studies, and innovative work using epigenetic, genomic, proteomic, and metabolomic approaches.

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Subject Nutrition & Dietetics
Impact Factor 6.9
Quartile Q1
Open Access Type Hybrid
ISSN 0002-9165
eISSN 1938-3207
Invitation Only No
Cost Range Open Access APC: USD 5,310 excluding taxes; subscription publication: no publication fee charged to authors

Submission Instructions

American Journal of Clinical Nutrition accepts the following article types. Click on an article type to view submission instructions.

Original Research Articles

Cover Letter Cover Letter requirements are not specified.
Abstract Original Research Articles must include a structured abstract written in complete sentences. Abstract must not exceed 300 words. Abstract must be structured with the headings Background, Objective, Methods, Results, and Conclusions. Abstract must include the headings Background, Objective, Methods, Results, and Conclusions, and if applicable it must include the clinical trial registry number and website link or the registry and registry number for systematic reviews or meta-analyses.
Manuscript Manuscript should include the sections Title Page, Abstract, Introduction, Methods, Results, Discussion, Acknowledgments with statement of authors’ contributions to manuscript and data sharing plan, and References. Manuscript must indicate who is responsible for design, writing, and final content, include a statement that all authors have read and approved the manuscript, and include a Declaration of Generative AI and AI assisted technologies in the writing process section before the references.
References References must be numbered consecutively in order of first mention and cited in the text as Arabic numerals in parentheses before punctuation, listing the first 6 authors followed by 'et al.' for works with more than 6 authors and all authors when there are 6 or fewer.
Figures & Tables Tables must be included in the text file following the references and not uploaded separately, whereas each figure must be submitted as a separate file with legends provided in the manuscript text file. Tables and figures must be cited sequentially in the text, and each table and figure legend must contain enough detail to be understood without referring to the text.
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Reviews

Cover Letter Cover Letter requirements are not specified.
Abstract An abstract is required for Reviews. Abstract must not exceed 300 words. Abstract must be unstructured. Abstract must state the purpose of the article and emphasize the major concepts and conclusions.
Manuscript Include 5–10 keywords below the abstract, an authors’ contribution statement identifying responsibility for design, writing, and final content and affirming that all authors have read and approved the manuscript, and a Declaration of Generative AI and AI assisted technologies in the writing process before the references.
References References must be numbered consecutively in order of first mention in the text and cited as Arabic numerals in parentheses before punctuation, listing all authors when there are 6 or fewer and the first 6 authors followed by 'et al.' when there are more than 6.
Figures & Tables Tables must be included in the text file following the references, whereas each figure must be submitted in a separate file with legends compiled in the manuscript text file. Tables and figures must be cited sequentially in the text.
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Systematic Reviews

Cover Letter Cover Letter requirements are not specified.
Abstract An abstract is required. Abstract must not exceed 300 words. Abstract must be unstructured.
Manuscript Include 5–10 keywords below the abstract, an authors’ contribution statement identifying who is responsible for design, writing, and final content and affirming that all authors have read and approved the manuscript, and a declaration of generative AI and AI-assisted technologies in the writing process before the References list.
References References must be numbered consecutively in order of first mention in the text, cited as Arabic numerals in parentheses before punctuation, and for journal articles list all authors if there are 6 or fewer or the first 6 authors followed by 'et al.' if there are more than 6.
Figures & Tables Tables must be included in the manuscript text file following the references and not uploaded separately, while each figure must be uploaded as a separate file with legends provided in the manuscript text file. Tables and figures must be cited sequentially in the text, and each table and figure legend must contain enough detail to be understood without reference to the text.
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Meta-Analyses

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract must not exceed 300 words. Abstract must be unstructured.
Manuscript Methods section must describe detailed statistical approaches for data combination, sensitivity analyses, and testing for potential bias. Manuscript must state who is responsible for design, writing, and final content, affirm that all authors have read and approved the manuscript, and include a Declaration of Generative AI and AI assisted technologies in the writing process before the references list.
References References must be numbered consecutively in order of first mention in the text, cited as Arabic numerals in parentheses before punctuation, and for journal articles must list all authors if there are 6 or fewer or the first 6 followed by 'et al.' if there are more than 6.
Figures & Tables Tables must be included in the text file following the references and not uploaded separately, while each figure must be submitted as a separate file with legends compiled in the manuscript text file. Tables and figures must be cited sequentially in the text and each table and figure legend must contain enough detail to be understood without referring to the main text.
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Scoping Reviews

Cover Letter Cover Letter requirements are not specified.
Abstract An abstract is required. Abstract must not exceed 300 words. Abstract must be unstructured.
Manuscript Include 5–10 keywords below the abstract, an authors’ contribution statement identifying who is responsible for design, writing, and final content, a statement affirming that all authors have read and approved the manuscript, and a Declaration of Generative AI and AI assisted technologies in the writing process before the references.
References References must follow a numbered citation style. References must be numbered consecutively in first-mention order, cited in the text as Arabic numerals in parentheses before punctuation, and journal article author lists must include all authors if there are 6 or fewer or the first 6 authors followed by 'et al.' if there are more than 6.
Figures & Tables Tables must be included in the manuscript text file following the references, while each figure must be uploaded as a separate file and its title and legend included in the manuscript text file. Tables and figures must be cited sequentially in the text.
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Umbrella Reviews

Cover Letter Cover Letter requirements are not specified.
Abstract An abstract is required. Abstract must not exceed 300 words. Abstract must be unstructured.
Manuscript Manuscript must indicate who is responsible for design, writing, and final content, affirm that all authors have read and approved the manuscript, include 5–10 keywords below the abstract, and include an AI declaration section before the references.
References References must be numbered consecutively in order of first mention and cited in the text as Arabic numerals in parentheses before punctuation, with journal articles listing all authors if there are 6 or fewer and the first 6 authors followed by 'et al.' if there are more than 6.
Figures & Tables Tables must be included in the manuscript text file following the references and not uploaded separately, whereas each figure must be uploaded as a separate file with legends compiled in the manuscript text file. Tables and figures must be cited sequentially in the text, and each legend must provide enough detail to be understood without reference to the text.
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Letters To The Editor

Cover Letter Cover Letter requirements are not specified.
Abstract Abstract requirements are not specified.
Manuscript Letters to the Editor must not exceed 1000 words. The title must begin with 'Letter to the Editor…' or 'Reply to [AUTHOR(S)].' Letters to the Editor must upload a Declaration of Interests statement and must list sources of funding.
References Letters to the Editor may include up to 10 references. References must be numbered consecutively in the order first mentioned in the text, and journal articles with more than 6 authors should list the first 6 authors followed by 'et al.' while articles with 6 or fewer authors should list all authors.
Figures & Tables Figures & Tables requirements are not specified.
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Frequently asked questions

How long does it take to publish?

6 days from submission to first decision; 59 days from submission to decision after review; 137 days from submission to acceptance.

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Is a cover letter required?

Cover letters are optional. Corresponding authors may submit a cover letter in the Comments field, and editors encourage authors to use it to indicate the novelty or noteworthy features of the submission.

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What are the publication costs?

Open access APC is USD 5,310 excluding taxes. Subscription publication has no publication fee for authors.

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Research Topics

Nutritional Studies and Diet Diet and metabolism studies Obesity, Physical Activity, Diet Fatty Acid Research and Health Nutrition and Health in Aging Folate and B Vitamins Research Muscle metabolism and nutrition Child Nutrition and Water Access Antioxidant Activity and Oxidative Stress Body Composition Measurement Techniques Iron Metabolism and Disorders Diverse Scientific and Economic Studies Birth, Development, and Health Diet, Metabolism, and Disease Clinical Nutrition and Gastroenterology Metabolism and Genetic Disorders Vitamin D Research Studies Trace Elements in Health Vitamin C and Antioxidants Research Infant Nutrition and Health Food composition and properties Nutrition, Genetics, and Disease Ferroelectric and Negative Capacitance Devices Big Data and Digital Economy Diabetes, Cardiovascular Risks, and Lipoproteins

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