{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=9",
    "query": {
      "intervention": "Dietary Supplement",
      "page": 9
    },
    "page_size": 10
  },
  "pagination": {
    "page": 9,
    "page_size": 10,
    "total_count": 5612,
    "total_pages": 562,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=10&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=8&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T09:51:49.519Z",
  "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": "NCT04342624",
      "title": "Investigation of Cinnamon Spice on Glucose Tolerance in Subjects With Pre-diabetes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes",
        "Blood Glucose, High"
      ],
      "interventions": [
        {
          "name": "Cinnamon",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "20 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-04-14",
      "completion_date": "2023-01-01",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04342624"
    },
    {
      "nct_id": "NCT05232669",
      "title": "COcoa Supplement and Multivitamin Outcomes Study: Effects on Falls and Physical Performance",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fall",
        "Physical Performance",
        "Fracture"
      ],
      "interventions": [
        {
          "name": "Cocoa extract",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cocoa extract placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multivitamin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Multivitamin placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 21442,
      "start_date": "2021-05-15",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05232669"
    },
    {
      "nct_id": "NCT01650883",
      "title": "A Prospective Open-label Comparison of Two Vitamin D3 Repletion Strategies in Vitamin D Deficient Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vitamin D 25 OH Deficiency"
      ],
      "interventions": [
        {
          "name": "Cholecalciferol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Cholecalciferol 5,000 IU",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 56,
      "start_date": "2009-03",
      "completion_date": "2011-04",
      "has_results": false,
      "last_update_posted_date": "2012-07-26",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01650883"
    },
    {
      "nct_id": "NCT07766720",
      "title": "Effects of Eggshell Membrane and Curcumin Extract Supplementation, Separately or Combined, on Recovery From Intense Exercise",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exercise-induced Muscle Soreness",
        "Exercise-induced Joint Pain",
        "Exercise-induced Joint Stiffness",
        "Exercise-induced Cartilage Turnover"
      ],
      "interventions": [
        {
          "name": "NEM® brand eggshell membrane powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "curQ+® brand highly absorbable curcumin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "EM Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Curc Placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "NEM® plus curQ+® combination",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "ESM Technologies, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "MALE",
        "summary": "18 Years to 40 Years · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2026-02-01",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07766720"
    },
    {
      "nct_id": "NCT02647723",
      "title": "Improving Maternal and Child Health Through Prenatal Fatty Acid Supplementation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy",
        "Child Development"
      ],
      "interventions": [
        {
          "name": "DHA",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Sugar pill",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 168,
      "start_date": "2016-01",
      "completion_date": "2027-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02647723"
    },
    {
      "nct_id": "NCT00609570",
      "title": "Nutritional Supplements on Blood Pressure 2008",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "NanoGreens",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey protein",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Calcium pills",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Logan College of Chiropractic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "20 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2008-10",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2008-10-28",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 2,
      "location_summary": "Chesterfield, Missouri",
      "locations": [
        {
          "city": "Chesterfield",
          "state": "Missouri"
        },
        {
          "city": "Chesterfield",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00609570"
    },
    {
      "nct_id": "NCT01902069",
      "title": "The Gut-brain Axis in Food Reward and Alcohol Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Impulsivity",
        "Alcohol Consumption"
      ],
      "interventions": [
        {
          "name": "Phospholean",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 29,
      "start_date": "2013-07",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2020-04-03",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01902069"
    },
    {
      "nct_id": "NCT07354620",
      "title": "A Pilot Study on Reverse Aging (The REVERSE Study)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Aging"
      ],
      "interventions": [
        {
          "name": "Rapamycin (Tablets)",
          "type": "DRUG"
        },
        {
          "name": "Prolon diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Christ Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2025-02-15",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07354620"
    },
    {
      "nct_id": "NCT00952627",
      "title": "Effects of Pycnogenol on Cardiac Fibrosis and Diastolic Dysfunction in Aged Hypertensive Subjects",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cardiac Fibrosis",
        "Diastolic Dysfunction"
      ],
      "interventions": [
        {
          "name": "Pycnogenol",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 9,
      "start_date": "2009-07",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2013-12-17",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00952627"
    },
    {
      "nct_id": "NCT00235573",
      "title": "Evaluation of Holotranscobalamin as an Indicator of Vitamin B12 Absorption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Disorder of Vitamin B12"
      ],
      "interventions": [
        {
          "name": "Vitamin B12",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 21,
      "start_date": "2005-10",
      "completion_date": "2005-11",
      "has_results": true,
      "last_update_posted_date": "2011-12-22",
      "last_synced_at": "2026-10-03T09:51:49.519Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00235573"
    }
  ]
}