{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=18",
    "query": {
      "intervention": "Dietary Supplement",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 5623,
    "total_pages": 563,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T15:46:46.654Z",
  "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": "NCT02144649",
      "title": "Tangerine or Red Tomato Juice in Treating Patients With Prostate Cancer Undergoing Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stage I Prostate Cancer",
        "Stage IIA Prostate Cancer",
        "Stage IIB Prostate Cancer",
        "Stage III Prostate Cancer",
        "Stage IV Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "dietary intervention (tangerine tomato juice)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "dietary intervention (red tomato juice)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "questionnaire administration",
          "type": "OTHER"
        },
        {
          "name": "Correlative studies",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "21 Years and older · Male only"
      },
      "enrollment_count": 45,
      "start_date": "2015-06",
      "completion_date": "2016-09-22",
      "has_results": false,
      "last_update_posted_date": "2019-08-30",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 2,
      "location_summary": "Columbus, Ohio • Dublin, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Dublin",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02144649"
    },
    {
      "nct_id": "NCT02718885",
      "title": "Gut Microbiome Mediated Effects of Inulin Supplementation on Mineral and Bone Metabolism in Hemodialysis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Bone Diseases, Endocrine",
        "Nutritional and Metabolic Diseases"
      ],
      "interventions": [
        {
          "name": "Inulin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Illinois at Urbana-Champaign",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2016-05",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-08-02",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Urbana, Illinois",
      "locations": [
        {
          "city": "Urbana",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02718885"
    },
    {
      "nct_id": "NCT01995643",
      "title": "Acute Effects of Grape Seed Extract on Insulin Sensitivity and Oxidative Stress and Inflammation Markers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polyphenolic Compounds and Metabolism"
      ],
      "interventions": [
        {
          "name": "Active Capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Capsule",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clinical Nutrition Research Center, Illinois Institute of Technology",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 13,
      "start_date": "2013-10-01",
      "completion_date": "2014-08-30",
      "has_results": false,
      "last_update_posted_date": "2021-07-27",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01995643"
    },
    {
      "nct_id": "NCT05381025",
      "title": "Kavalactones on Sleep and Cortisol in Healthy Special Forces Trainees",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Kava (Piper methysticum) extract",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Thorne HealthTech, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 15,
      "start_date": "2022-05-11",
      "completion_date": "2022-10-09",
      "has_results": false,
      "last_update_posted_date": "2022-10-13",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Virginia Beach, Virginia",
      "locations": [
        {
          "city": "Virginia Beach",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05381025"
    },
    {
      "nct_id": "NCT01468376",
      "title": "GLU-xx Formulations in Individuals With Impaired Glucose Tolerance",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Impaired Glucose Tolerance"
      ],
      "interventions": [
        {
          "name": "GLU-01",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "GLU-02",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "GLU-03",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "GLU-04",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "GLU-05",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "GLU-06",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Afexa Life Sciences Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 17,
      "start_date": "2011-02",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-01-31",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Northridge, California",
      "locations": [
        {
          "city": "Northridge",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01468376"
    },
    {
      "nct_id": "NCT02119117",
      "title": "Aneuploidy Rates in Advanced Maternal Age Patients Supplemented With Coenzyme Q10 (CoQ10) Versus Those That Are Not: a Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mitochondrial DNA",
        "Aneuploidy"
      ],
      "interventions": [
        {
          "name": "CoQ10",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Reproductive Endocrinology Associates of Charlotte",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "36 Years",
        "maximum_age": "42 Years",
        "sex": "FEMALE",
        "summary": "36 Years to 42 Years · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2014-04",
      "completion_date": "2018-05",
      "has_results": false,
      "last_update_posted_date": "2018-05-04",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02119117"
    },
    {
      "nct_id": "NCT03515889",
      "title": "A Trial of the Ideal Protein System Versus Low Fat Diet for Weight Loss",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Weight Loss"
      ],
      "interventions": [
        {
          "name": "Ideal Protein Weight Loss Method",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Standard Weight Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "22 Years to 79 Years"
      },
      "enrollment_count": 192,
      "start_date": "2018-05-23",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-11-22",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Bogalusa, Louisiana",
      "locations": [
        {
          "city": "Bogalusa",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03515889"
    },
    {
      "nct_id": "NCT07018674",
      "title": "Acute Cognitive Effects of Brain Edge",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognitive Health",
        "Mood"
      ],
      "interventions": [
        {
          "name": "Experimental",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Water",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Nature's Sunshine Products, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-08-20",
      "completion_date": "2025-11-20",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Lehi, Utah",
      "locations": [
        {
          "city": "Lehi",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07018674"
    },
    {
      "nct_id": "NCT02312310",
      "title": "Dietary Flavanols and Dentate Gyrus Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Memory Loss"
      ],
      "interventions": [
        {
          "name": "Cocoa Flavanol",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 211,
      "start_date": "2015-12",
      "completion_date": "2020-04",
      "has_results": true,
      "last_update_posted_date": "2020-06-11",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02312310"
    },
    {
      "nct_id": "NCT03134417",
      "title": "Magnesium and Vitamin D Supplementation and Cardiometabolic Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight and Obesity",
        "Vitamin D Deficiency",
        "Magnesium Deficiency",
        "Cardiovascular Risk Factor"
      ],
      "interventions": [
        {
          "name": "Vitamin D and magnesium",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Drexel University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "30 Years to 70 Years"
      },
      "enrollment_count": 109,
      "start_date": "2016-02-01",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-27",
      "last_synced_at": "2026-10-10T15:46:46.654Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03134417"
    }
  ]
}