{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsule+%2B+Powder+supplementation",
    "query": {
      "intervention": "Capsule + Powder supplementation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Capsule+%2B+Powder+supplementation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T18:48:36.556Z",
  "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": "NCT07706283",
      "title": "Sex-Divergent Effects of Magnesium L-Threonate Supplementation on Sleep Quality, Cognitive Performance, and Neuromuscular Function in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Adults; Cognitive Performance; Sleep Quality; Neuromuscular Function"
      ],
      "interventions": [
        {
          "name": "Magnesium L-threonate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Barry University",
      "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": 81,
      "start_date": "2025-12-01",
      "completion_date": "2026-03-19",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Miami Shores, Florida",
      "locations": [
        {
          "city": "Miami Shores",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07706283"
    },
    {
      "nct_id": "NCT01257581",
      "title": "Safety and Efficacy Study of Creatine and Tamoxifen in Volunteers With Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "creatine",
          "type": "DRUG"
        },
        {
          "name": "tamoxifen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nazem Atassi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2011-03",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2014-12-04",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 9,
      "location_summary": "Kansas City, Kansas • Boston, Massachusetts • Worcester, Massachusetts + 6 more",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01257581"
    },
    {
      "nct_id": "NCT06936202",
      "title": "Effects of Spirulina Supplementation on Mental Health in Healthy Adults",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Depression",
        "Mental Acuity"
      ],
      "interventions": [
        {
          "name": "Spirulina capsules",
          "type": "OTHER"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 30,
      "start_date": "2025-04-15",
      "completion_date": "2026-05",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06936202"
    },
    {
      "nct_id": "NCT01914952",
      "title": "Alternate Dosing Strategies for Beta-hydroxy-beta-methylbutyrate (HMB) Supplementation: Effect on Plasma HMB Responses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Focus of the Study is to Examine Plasma HMB Levels After Oral HMB Supplementation"
      ],
      "interventions": [
        {
          "name": "CaHMB capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "HMB free acid gelcap",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "HMB free acid mixed in water",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "CaHMB in water",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "HMB free acid",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Metabolic Technologies Inc.",
      "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": 11,
      "start_date": "2013-05",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-09-16",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Ames, Iowa",
      "locations": [
        {
          "city": "Ames",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914952"
    },
    {
      "nct_id": "NCT04691986",
      "title": "Impacts of Nicotinamide Riboside on Functional Capacity and Muscle Physiology in Older Veterans",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sarcopenia",
        "Nicotinamide Adenine Dinucleotide Concentration",
        "Muscle Quality and NAD+ Content"
      ],
      "interventions": [
        {
          "name": "Nicotinamide Riboside",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 74,
      "start_date": "2023-09-01",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04691986"
    },
    {
      "nct_id": "NCT04048616",
      "title": "Impact of Protein and Alkali Supplementation on Skeletal Muscle in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Age-Related Sarcopenia",
        "Muscle Loss"
      ],
      "interventions": [
        {
          "name": "whey protein isolate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "potassium bicarbonate (KHCO3)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "microcrystalline cellulose",
          "type": "OTHER"
        },
        {
          "name": "maltodextrin powder",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Tufts University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 141,
      "start_date": "2021-07-01",
      "completion_date": "2023-12-21",
      "has_results": true,
      "last_update_posted_date": "2025-05-18",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04048616"
    },
    {
      "nct_id": "NCT02375113",
      "title": "Soy as an Innovative Dietary Component in Abdominal Obesity Management Amongst Peri- and Early Menopausal Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Obesity"
      ],
      "interventions": [
        {
          "name": "soy supplementation",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "The University of Texas at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "45 Years to 60 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2012-09",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2024-05-10",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02375113"
    },
    {
      "nct_id": "NCT05745636",
      "title": "Broccoli Seed Extract and Skin Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Skin Inflammation"
      ],
      "interventions": [
        {
          "name": "Broccoli, mustard, vitamin C",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Appalachian State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "57 Years",
        "sex": "ALL",
        "summary": "25 Years to 57 Years"
      },
      "enrollment_count": 24,
      "start_date": "2023-03-13",
      "completion_date": "2023-07-30",
      "has_results": false,
      "last_update_posted_date": "2023-12-20",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Kannapolis, North Carolina",
      "locations": [
        {
          "city": "Kannapolis",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05745636"
    },
    {
      "nct_id": "NCT04467372",
      "title": "Tart Cherry Supplementation & Gut Microbiome and Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammation",
        "Glucose Regulation",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Tart cherry juice concentrate",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Juice placebo",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Freeze dried tart cherry powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Capsule placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 70,
      "start_date": "2019-03-18",
      "completion_date": "2021-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-09",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Athens, Ohio",
      "locations": [
        {
          "city": "Athens",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04467372"
    },
    {
      "nct_id": "NCT06169826",
      "title": "Histidine Oral Supplementation as a Therapeutic Modality for Alzheimer's Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alzheimer Disease"
      ],
      "interventions": [
        {
          "name": "l-Histidine",
          "type": "DRUG"
        },
        {
          "name": "Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-04",
      "completion_date": "2026-04",
      "has_results": false,
      "last_update_posted_date": "2025-04-27",
      "last_synced_at": "2026-09-11T18:48:36.556Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06169826"
    }
  ]
}