Some of the more common forms of research supplementary materials include charts and graphs describing different aspect of the research, multimedia files like video or audio files, visuals used to analyze results from imaging systems, supplementary datasets and large complicated data that is not practical to include in the original manuscript itself.

Supplementary material is used to add detail, background, or context to an article by providing, for example, multimedia objects such as audio and video clips, tables or figures, raw data in a spreadsheet, or a separate PDF file containing additional information.

In brief, supplementary material includes anything that is relevant to your study or paper but is not included in the paper itself. The most common forms of supplementary material are as follows: Supplementary datasets Additional materials and methods information Charts and graphs describing any aspect of the study