{"id": 1103684, "name": "Number of clinical trials with dietary supplement interventions", "unit": "trials", "createdAt": "2025-08-18T15:51:54.000Z", "updatedAt": "2025-08-18T15:51:54.000Z", "coverage": "", "timespan": "1918-2031", "datasetId": 7190, "shortUnit": "", "columnOrder": 0, "shortName": "dietary_supplement", "catalogPath": "grapher/health/2025-07-28/clinical_trials/interventions_per_year#dietary_supplement", "descriptionShort": "Annual number of completed clinical trials registered in the [ClinicalTrials.gov](#dod:clinical-trials-gov) database that involve dietary supplements. These interventions include giving patients vitamins, minerals, or other nutritional supplements.\n", "type": "int", "grapherConfigIdETL": "0198bde1-491c-74f0-8803-a2223d5ff360", "datasetName": "Clinical Trials (ClinicalTrials.gov)", "updatePeriodDays": 365, "datasetVersion": "2025-07-28", "nonRedistributable": false, "display": {"unit": "trials", "numDecimalPlaces": 0}, "schemaVersion": 2, "processingLevel": "major", "presentation": {"topicTagsLinks": ["Medicine & Biotechnology"]}, "descriptionKey": ["Dietary supplement interventions involve giving participants vitamins, minerals, or other nutritional supplements.", "If multiple interventions are given, the study is counted towards all interventions listed.", "This data comes from the [ClinicalTrials.gov](#dod:clinical-trials-gov) database. It only includes [interventional](#dod:interventional-trial) or [observational](#dod:observational-trial) clinical trials that are marked as \"completed\" and have a valid \"completion date\". [Expanded access studies](#dod:expanded-access), which provide access to investigational drugs or devices for patients with serious conditions, are not included in this data.\n", "Registration in the ClinicalTrials.gov database is mandatory for trials in the United States and for treatments that seek FDA approval, but voluntary for other trials conducted in other countries."], "dimensions": {"years": {"values": [{"id": 1918}, {"id": 1972}, {"id": 1976}, {"id": 1979}, {"id": 1980}, {"id": 1981}, {"id": 1982}, {"id": 1983}, {"id": 1985}, {"id": 1986}, {"id": 1987}, {"id": 1988}, {"id": 1989}, {"id": 1990}, {"id": 1991}, {"id": 1992}, {"id": 1993}, {"id": 1994}, {"id": 1995}, {"id": 1996}, {"id": 1997}, {"id": 1998}, {"id": 1999}, {"id": 2000}, {"id": 2001}, {"id": 2002}, {"id": 2003}, {"id": 2004}, {"id": 2005}, {"id": 2006}, {"id": 2007}, {"id": 2008}, {"id": 2009}, {"id": 2010}, {"id": 2011}, {"id": 2012}, {"id": 2013}, {"id": 2014}, {"id": 2015}, {"id": 2016}, {"id": 2017}, {"id": 2018}, {"id": 2019}, {"id": 2020}, {"id": 2021}, {"id": 2022}, {"id": 2023}, {"id": 2024}, {"id": 2025}, {"id": 2031}]}, "entities": {"values": [{"id": 355, "name": "World", "code": "OWID_WRL"}]}}, "origins": [{"id": 7011, "title": "Clinical Trials (ClinicalTrials.gov)", "description": "ClinicalTrials.gov is a website and online database of clinical research studies and information about their results. The purpose of ClinicalTrials.gov is to provide information about clinical research studies to the public, researchers, and health care professionals.", "producer": "ClinicalTrials.gov", "citationFull": "National Library of Medicine (US), National Center for Biotechnology Information, ClinicalTrials.gov. U.S. National Institutes of Health, https://clinicaltrials.gov/ (2025)", "attributionShort": "NIH", "urlMain": "https://clinicaltrials.gov/about-site/trends-charts", "urlDownload": "https://clinicaltrials.gov/data-api/api", "dateAccessed": "2025-07-28", "datePublished": "2025", "license": {"url": "https://clinicaltrials.gov/about-site/terms-conditions", "name": "ClinicalTrials.gov Terms and Conditions"}}]}