{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Betaine+supplement",
    "query": {
      "intervention": "Betaine supplement"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T15:58:14.124Z",
  "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": "NCT03420976",
      "title": "Novel Supplement-based Therapy for the Treatment of Small Intestinal Bacterial Overgrowth",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Small Intestinal Bacterial Overgrowth"
      ],
      "interventions": [
        {
          "name": "Novel Supplement Based Therapy",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Atrium Innovations",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "19 Years to 84 Years"
      },
      "enrollment_count": 0,
      "start_date": "2017-12-07",
      "completion_date": "2019-02-01",
      "has_results": false,
      "last_update_posted_date": "2021-01-12",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Oxford, Ohio",
      "locations": [
        {
          "city": "Oxford",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03420976"
    },
    {
      "nct_id": "NCT02403804",
      "title": "Dietary Supplementation to Increase Serum Choline Levels",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Phosphatidylcholine",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine (588 mg qam and 412 mg qpm)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine (1000 mg BID)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2015-04",
      "completion_date": "2015-09-29",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02403804"
    },
    {
      "nct_id": "NCT02122211",
      "title": "Choline Dehydrogenase and Sperm Function: Effects of Betaine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Men Carrying 2 Minor Alleles for Choline Dehydrogenase rs12676",
        "Male Infertility"
      ],
      "interventions": [
        {
          "name": "Betaine supplement",
          "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": "60 Years",
        "sex": "MALE",
        "summary": "18 Years to 60 Years · Male only"
      },
      "enrollment_count": 6,
      "start_date": "2014-04",
      "completion_date": "2016-07",
      "has_results": false,
      "last_update_posted_date": "2016-09-08",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02122211"
    },
    {
      "nct_id": "NCT03073343",
      "title": "A Prospective, Randomized, Open Label Trial of Two Doses of Oral Betaine",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Alcoholic Fatty Liver Disease",
        "Non Insulin Dependent Diabetes",
        "ALT"
      ],
      "interventions": [
        {
          "name": "Betaine (trimethyglycine)",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Southern California Institute for Research and Education",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 48,
      "start_date": "2013-11-12",
      "completion_date": "2025-12-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Long Beach, California",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03073343"
    },
    {
      "nct_id": "NCT02758015",
      "title": "Effect of Betaine and Food on Gastric pH",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Standardized Meal",
          "type": "OTHER"
        },
        {
          "name": "Betaine Hydrochloride 1500mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine Hydrochloride 3000mg",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Betaine Hydrochloride 4500mg",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 9,
      "start_date": "2016-06",
      "completion_date": "2018-03-26",
      "has_results": false,
      "last_update_posted_date": "2020-01-23",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02758015"
    },
    {
      "nct_id": "NCT06018168",
      "title": "An RCT Evaluating the Efficacy of a Skincare Routine and Acne Supplement on Improving Acne and Other Symptoms of PMS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acne",
        "Premenstrual Syndrome"
      ],
      "interventions": [
        {
          "name": "Skincare Routine",
          "type": "OTHER"
        },
        {
          "name": "MINDBODYSKIN Supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Clearstem Skincare",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2023-06-30",
      "completion_date": "2024-01-10",
      "has_results": false,
      "last_update_posted_date": "2024-02-22",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06018168"
    },
    {
      "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": "2026-09-11T15:58:14.124Z",
      "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": "NCT06320379",
      "title": "Zypan Functional Dyspepsia",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyspepsia"
      ],
      "interventions": [
        {
          "name": "Zypan",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Comparator",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "National University of Natural Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 64,
      "start_date": "2023-03-15",
      "completion_date": "2024-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-08-06",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06320379"
    },
    {
      "nct_id": "NCT07144527",
      "title": "Nicotinamide Mononucleotide Supplementation for Exercise Tolerance Improvement in Healthy Older Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aging",
        "Frailty",
        "Exercise Tolerance",
        "Healthy Male and Female Subjects"
      ],
      "interventions": [
        {
          "name": "NMN, betaine, low-dose hydrogen peroxide (EGA)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Nicotinamide Mononucleotide (NMN)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Scott Silveira",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "60 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-02-21",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-20",
      "last_synced_at": "2026-09-11T15:58:14.124Z",
      "location_count": 1,
      "location_summary": "Beverly Hills, California",
      "locations": [
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07144527"
    }
  ]
}