{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?sponsor=Nutrition+21%2C+Inc.",
    "query": {
      "sponsor": "Nutrition 21, Inc."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T00:02:25.691Z",
  "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": "NCT06010745",
      "title": "Effectiveness of a Novel Dietary Ingredient on Hair Growth and Skin's Appearance",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hair Thinning",
        "Facial Skin Texture",
        "Skin Ageing"
      ],
      "interventions": [
        {
          "name": "Biotin and silicon",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nutrition 21, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "35 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "35 Years to 70 Years"
      },
      "enrollment_count": 101,
      "start_date": "2023-08-11",
      "completion_date": "2024-11",
      "has_results": false,
      "last_update_posted_date": "2023-08-25",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06010745"
    },
    {
      "nct_id": "NCT00477854",
      "title": "Effects of Chromium Picolinate on Food Intake",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Atypical Depression"
      ],
      "interventions": [
        {
          "name": "Chromium Picolinate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pennington Biomedical Research Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 42,
      "start_date": "2005-04",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2016-02-12",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "Baton Rouge, Louisiana",
      "locations": [
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00477854"
    },
    {
      "nct_id": "NCT01464814",
      "title": "Clinical Trial Evaluating the Viability of L. Casei + Fish Oil Capsules",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Signs and Symptoms, Digestive"
      ],
      "interventions": [
        {
          "name": "probiotic plus fish oil capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Fish oil capsule",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nutrition 21, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2011-10",
      "completion_date": "2011-11",
      "has_results": false,
      "last_update_posted_date": "2011-11-16",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "Pembroke Pines, Florida",
      "locations": [
        {
          "city": "Pembroke Pines",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01464814"
    },
    {
      "nct_id": "NCT04828278",
      "title": "Nutrition21 Study 1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nutritional Supplementation"
      ],
      "interventions": [
        {
          "name": "Arginine",
          "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": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 24,
      "start_date": "2020-04-06",
      "completion_date": "2021-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "College Station, Texas",
      "locations": [
        {
          "city": "College Station",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04828278"
    },
    {
      "nct_id": "NCT00308451",
      "title": "A 30 Day Acute Efficacy and Safety Study of Chromium Picolinate + Biotin on Glycemic Control in Overweight or Obese Subjects With T2DM",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes Mellitus, Type 2"
      ],
      "interventions": [
        {
          "name": "Chromium Picolinate (600 mcg Cr+3) + biotin (2 mg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nutrition 21, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 40,
      "start_date": "2003-11",
      "completion_date": "2004-04",
      "has_results": false,
      "last_update_posted_date": "2006-03-29",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00308451"
    },
    {
      "nct_id": "NCT07402382",
      "title": "Effects of Amylopectin Chromium Blend on Whole-Body Protein Kinetics and Glucose in Peri/Post-Menopausal Women",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Glucose Monitoring, Continuous",
        "Whole Body Protein Metabolism",
        "Peri-menopausal Women",
        "Post-menopause"
      ],
      "interventions": [
        {
          "name": "Amylopectin-chromium blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Concentrated Amylopectin-chromium blend",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nutrition 21, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "40 Years to 70 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2025-11-01",
      "completion_date": "2026-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-10-07T00:02:25.691Z",
      "location_count": 1,
      "location_summary": "Canfield, Ohio",
      "locations": [
        {
          "city": "Canfield",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07402382"
    }
  ]
}