{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=4",
    "query": {
      "intervention": "Dietary Supplement",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 5612,
    "total_pages": 562,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-03T05:46:39.413Z",
  "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": "NCT03948243",
      "title": "Licorice Botanical Dietary Supplements - Metabolism and Safety in Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Food-drug Interaction"
      ],
      "interventions": [
        {
          "name": "Licorice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Alprazolam 2 MG",
          "type": "DRUG"
        },
        {
          "name": "Caffeine 100 MG",
          "type": "DRUG"
        },
        {
          "name": "Tolbutamide 250 mg",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan 30mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "79 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 79 Years · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2019-04-01",
      "completion_date": "2022-04-22",
      "has_results": false,
      "last_update_posted_date": "2023-05-06",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03948243"
    },
    {
      "nct_id": "NCT04164108",
      "title": "Pilot: Feasibility of Intermittent Enteral Feeding in Ventilated MICU Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutrition"
      ],
      "interventions": [
        {
          "name": "Intermittent Enteral Nutrition Protocol",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2019-11-18",
      "completion_date": "2020-03-18",
      "has_results": false,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 2,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04164108"
    },
    {
      "nct_id": "NCT01232725",
      "title": "Donor Human Milk and Neurodevelopmental Outcomes in Very Low Birthweight (VLBW) Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neurodevelopmental Outcomes of VLBW Infants"
      ],
      "interventions": [
        {
          "name": "Donor Human Milk",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Tarah T Colaizy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "24 Months",
        "sex": "ALL",
        "summary": "Up to 24 Months"
      },
      "enrollment_count": 121,
      "start_date": "2009-08",
      "completion_date": "2016-05",
      "has_results": false,
      "last_update_posted_date": "2017-08-04",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01232725"
    },
    {
      "nct_id": "NCT00516516",
      "title": "Oral Carnitine for Cramps in Pregnancy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Cramp"
      ],
      "interventions": [
        {
          "name": "L-Carnitine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "16 Years and older · Female only"
      },
      "enrollment_count": 30,
      "start_date": "2008-07",
      "completion_date": "2009-07",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00516516"
    },
    {
      "nct_id": "NCT02715752",
      "title": "A Retrospective Chart Review Study of Gene-Eden-VIR/Novirin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Herpes Simplex Infections",
        "Human Papillomavirus",
        "Epstein-Barr Virus Infections",
        "Varicella-zoster Virus Infection",
        "Cytomegalovirus Infections"
      ],
      "interventions": [
        {
          "name": "Gene-Eden-VIR/Novirin",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Center for the Biology of Chronic Disease",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1000,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-04-26",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Valley Cottage, New York",
      "locations": [
        {
          "city": "Valley Cottage",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02715752"
    },
    {
      "nct_id": "NCT03698032",
      "title": "Effect of Pistachios on Muscle Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Soreness"
      ],
      "interventions": [
        {
          "name": "Water",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "1.5 oz Pistachios",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "3.0 oz Pistachios",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "San Diego State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 28,
      "start_date": "2019-02-05",
      "completion_date": "2021-12-15",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03698032"
    },
    {
      "nct_id": "NCT03444298",
      "title": "A Study of Gamma Tocopherol-enriched Supplement on Lower Airway Responses to Inhaled Wood Smoke in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Airway Inflammation",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Gamma Tocopherol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 16,
      "start_date": "2018-06-08",
      "completion_date": "2023-03-06",
      "has_results": true,
      "last_update_posted_date": "2024-02-05",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03444298"
    },
    {
      "nct_id": "NCT03495063",
      "title": "Synthetic and Natural Caffeine on Hemodynamic Parameters in Young, Healthy Volunteers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Injury"
      ],
      "interventions": [
        {
          "name": "Natural Caffeine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Synthetic Caffeine",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "David Grant U.S. Air Force Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 0,
      "start_date": "2019-09-16",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2020-04-02",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Travis Air Force Base, California",
      "locations": [
        {
          "city": "Travis Air Force Base",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03495063"
    },
    {
      "nct_id": "NCT06628349",
      "title": "Prandial Metabolic Phenotyping in Sarcopenic Older Adults Comparing Plant Based and Whey Based Protein",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Protein Metabolism"
      ],
      "interventions": [
        {
          "name": "Whey Protein Isolate 90%",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Soy Protein Isolate (90% Protein)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Organic Pea Protein Isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo (Water)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Texas A&M University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-02-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06628349"
    },
    {
      "nct_id": "NCT03320226",
      "title": "A Study of the Effect of Probiotics on Gastrointestinal Function During Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Early",
        "Nausea Gravidarum",
        "Vomiting of Pregnancy"
      ],
      "interventions": [
        {
          "name": "Probiotic 10 (Nature's Bounty)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2018-01-09",
      "completion_date": "2021-04-02",
      "has_results": false,
      "last_update_posted_date": "2023-08-09",
      "last_synced_at": "2026-10-03T05:46:39.413Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03320226"
    }
  ]
}