{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement%2FVitamins",
    "query": {
      "intervention": "Dietary Supplement/Vitamins"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 373,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement%2FVitamins&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T00:39:07.409Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02088307",
      "title": "Study of the Cardiovascular Vitamin, CardioLife",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "CardioLife",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 21,
      "start_date": "2013-06",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-03-22",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02088307"
    },
    {
      "nct_id": "NCT06790771",
      "title": "Effect of Supplement on Appetite and GLP-1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hunger"
      ],
      "interventions": [
        {
          "name": "High Dose Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Low Dose Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas Christian University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 25,
      "start_date": "2025-01-15",
      "completion_date": "2026-03-15",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06790771"
    },
    {
      "nct_id": "NCT00571285",
      "title": "Clinical Effects of Vitamin D Repletion in Patients With Parkinson's Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Parkinson's Disease"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D3 - high dose",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 31,
      "start_date": "2007-06",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00571285"
    },
    {
      "nct_id": "NCT01968590",
      "title": "Vitamin D Supplementation for Adults With Neurofibromatosis Type 1 (NF1)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Neurofibromatosis Type 1 (NF1)"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "25 Years to 40 Years"
      },
      "enrollment_count": 26,
      "start_date": "2017-08-16",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2022-05-25",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01968590"
    },
    {
      "nct_id": "NCT00198822",
      "title": "Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Vitamin A Deficiency",
        "Maternal Mortality",
        "Infant Mortality"
      ],
      "interventions": [
        {
          "name": "Vitamin A or Beta-Carotene Supplements",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "49 Years",
        "sex": "FEMALE",
        "summary": "15 Years to 49 Years · Female only"
      },
      "enrollment_count": 59666,
      "start_date": "2001-08",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2012-03-07",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00198822"
    },
    {
      "nct_id": "NCT04344821",
      "title": "Curves 30/30 Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Curves Calcium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2009-05-18",
      "completion_date": "2012-05-03",
      "has_results": false,
      "last_update_posted_date": "2020-04-15",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04344821"
    },
    {
      "nct_id": "NCT05234593",
      "title": "Feasibility and Acceptability of Powdered Multinutrient Formula",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "EmpowerPlus Lightning Sticks",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "7 Years to 16 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-08-01",
      "completion_date": "2023-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05234593"
    },
    {
      "nct_id": "NCT02802566",
      "title": "BMI-based Vitamins in Obese Pregnant Women",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "BMI-based prenatal vitamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Standard prenatal vitamin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 146,
      "start_date": "2014-12",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-10",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02802566"
    },
    {
      "nct_id": "NCT00858273",
      "title": "Glutathione Metabolism in Adolescents With Type 1 Diabetes - Study B",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 1"
      ],
      "interventions": [
        {
          "name": "Antioxidant supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Diabetes treatment",
          "type": "OTHER"
        },
        {
          "name": "Regular Insulin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Nemours Children's Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "12 Years to 21 Years"
      },
      "enrollment_count": 41,
      "start_date": "2008-03",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2023-05-17",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00858273"
    },
    {
      "nct_id": "NCT07206901",
      "title": "Evaluation of an Ayurvedic Herbal Compound Compared to Vitamins C+E and Placebo on Vascular Function in High-Risk Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [
        {
          "name": "Maharishi Amrit Kalash",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "vitamin C + E",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Inert Placebo Capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Maharishi International University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "55 Years to 90 Years"
      },
      "enrollment_count": 143,
      "start_date": "2002-10-14",
      "completion_date": "2014-10-27",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-24T00:39:07.409Z",
      "location_count": 1,
      "location_summary": "Fairfield, Iowa",
      "locations": [
        {
          "city": "Fairfield",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07206901"
    }
  ]
}