{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement%2FVitamins&page=12",
    "query": {
      "intervention": "Dietary Supplement/Vitamins",
      "page": 12
    },
    "page_size": 10
  },
  "pagination": {
    "page": 12,
    "page_size": 10,
    "total_count": 374,
    "total_pages": 38,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement%2FVitamins&page=13&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Dietary+Supplement%2FVitamins&page=11&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-12T19:49:30.708Z",
  "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": "NCT04103099",
      "title": "Impact of HLNatural Immune Supplement on Colds",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Immune System Diseases"
      ],
      "interventions": [
        {
          "name": "HLNatural Immune",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Hawthorne Effect Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2019-10-16",
      "completion_date": "2020-08-15",
      "has_results": false,
      "last_update_posted_date": "2021-11-15",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Lafayette, California",
      "locations": [
        {
          "city": "Lafayette",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103099"
    },
    {
      "nct_id": "NCT04315077",
      "title": "The Short Term Effects of Oceanix Supplementation on Recovery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Oxidative Stress",
        "Muscle Strength",
        "Resistance Training",
        "Muscle Damage",
        "Immune Suppression"
      ],
      "interventions": [
        {
          "name": "Oceanix®",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Resistance Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Applied Science & Performance Institute",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 22,
      "start_date": "2019-10-01",
      "completion_date": "2019-11-25",
      "has_results": false,
      "last_update_posted_date": "2020-11-19",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04315077"
    },
    {
      "nct_id": "NCT07856550",
      "title": "Evaluating the Efficacy of the Flush Advanced+ Dietary Supplement Drink Mix Compared to a Placebo in Women Ages 18-75 With a History of Recurrent, Bothersome Urinary Tract Symptoms",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Tract"
      ],
      "interventions": [
        {
          "name": "Flush Advanced+ Dietary Drink Mix",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Dietary Drink Mix",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Bonafide Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 75 Years · Female only"
      },
      "enrollment_count": 180,
      "start_date": "2026-03-16",
      "completion_date": "2027-02",
      "has_results": false,
      "last_update_posted_date": "2026-10-02",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Harrison, New York",
      "locations": [
        {
          "city": "Harrison",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07856550"
    },
    {
      "nct_id": "NCT00273650",
      "title": "Efficacy Study of Subcutaneous Methyl-B12 in Children With Autism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Autistic Disorder"
      ],
      "interventions": [
        {
          "name": "methylcobalamin",
          "type": "DRUG"
        },
        {
          "name": "saline placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "3 Years to 8 Years"
      },
      "enrollment_count": 30,
      "start_date": "2005-07",
      "completion_date": "2009-08",
      "has_results": false,
      "last_update_posted_date": "2019-10-09",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00273650"
    },
    {
      "nct_id": "NCT00302627",
      "title": "Pamidronate, Vitamin D, and Calcium for the Bone Disease of Kidney and Heart Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Transplant Bone Disease"
      ],
      "interventions": [
        {
          "name": "Pamidronate",
          "type": "DRUG"
        },
        {
          "name": "vitamin D",
          "type": "DRUG"
        },
        {
          "name": "Calcium Carbonate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Providence Health & Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "1999-01",
      "completion_date": "2002-11",
      "has_results": false,
      "last_update_posted_date": "2018-08-29",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00302627"
    },
    {
      "nct_id": "NCT06384586",
      "title": "Investigation of Dietary Supplement Liquid Shot Products on Mental Energy, Cognition (Acuity),and Mood",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cognition",
        "Mental Fatigue",
        "Mood"
      ],
      "interventions": [
        {
          "name": "Placebo shot",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Functional energy shot",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The Water Street Collective",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 45,
      "start_date": "2022-11-17",
      "completion_date": "2022-12-22",
      "has_results": false,
      "last_update_posted_date": "2024-04-25",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Iselin, New Jersey",
      "locations": [
        {
          "city": "Iselin",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06384586"
    },
    {
      "nct_id": "NCT00348933",
      "title": "Dietary Supplements for the Treatment of Angelman Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Angelman Syndrome",
        "Nervous System Diseases"
      ],
      "interventions": [
        {
          "name": "Betaine",
          "type": "DRUG"
        },
        {
          "name": "Creatine",
          "type": "DRUG"
        },
        {
          "name": "Metafolin",
          "type": "DRUG"
        },
        {
          "name": "Vitamin B12",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "1 Day to 5 Years"
      },
      "enrollment_count": 90,
      "start_date": "2006-07",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2012-09-24",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 4,
      "location_summary": "San Diego, California • Boston, Massachusetts • Greenwood, South Carolina + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Greenwood",
          "state": "South Carolina"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00348933"
    },
    {
      "nct_id": "NCT06138106",
      "title": "Developing a Nutritional Supplement to Increase Collagen Synthesis in People",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dietary Supplements",
        "Connective Tissue",
        "Exercise"
      ],
      "interventions": [
        {
          "name": "Natural Product Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo control",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 20,
      "start_date": "2023-11-21",
      "completion_date": "2026-12-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Davis, California",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06138106"
    },
    {
      "nct_id": "NCT01199926",
      "title": "Effect of Vitamin D Supplementation on Muscle Mass and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity",
        "Insulin Resistance",
        "Inflammation"
      ],
      "interventions": [
        {
          "name": "Vitamin D",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 34,
      "start_date": "2008-08",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2015-05-15",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01199926"
    },
    {
      "nct_id": "NCT07018479",
      "title": "Effects of a Female Hormone Balance Supplement on Premenstrual Syndrome Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premenstrual Syndrome"
      ],
      "interventions": [
        {
          "name": "FemmeBalance Supplement Group",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VINABAS FORMULATIONS SL",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 38,
      "start_date": "2024-07-30",
      "completion_date": "2025-01-20",
      "has_results": false,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-10-12T19:49:30.708Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07018479"
    }
  ]
}