{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=3",
    "query": {
      "intervention": "protein powder supplement",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 63,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=protein+powder+supplement&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-07T09:00:50.113Z",
  "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": "NCT02094781",
      "title": "Effect of Using Whey Protein and Creatine Supplements on Muscular Strength in Weight-training Adult Males",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Nutritional Status"
      ],
      "interventions": [
        {
          "name": "Whey protein and creatine supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Whey protein only supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "MALE",
        "summary": "18 Years to 35 Years · Male only"
      },
      "enrollment_count": 18,
      "start_date": "2013-12",
      "completion_date": "2014-09",
      "has_results": false,
      "last_update_posted_date": "2014-12-15",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02094781"
    },
    {
      "nct_id": "NCT03717935",
      "title": "Oral Amino Acid Nutrition to Improve Glucose Excursions in PCOS",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Polycystic Ovarian Syndrome",
        "Obesity",
        "Hepatic Steatosis"
      ],
      "interventions": [
        {
          "name": "Essential Amino Acid (EAA) Supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "21 Years",
        "sex": "FEMALE",
        "summary": "12 Years to 21 Years · Female only"
      },
      "enrollment_count": 27,
      "start_date": "2018-10-08",
      "completion_date": "2022-01-14",
      "has_results": true,
      "last_update_posted_date": "2025-03-24",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03717935"
    },
    {
      "nct_id": "NCT06329388",
      "title": "Evaluating the Effects of an Oral Protein Supplement on Children's Growth Patterns",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Growth Disorders",
        "Dietary Exposure",
        "Child Development",
        "Bone Development Abnormal",
        "Body Weight",
        "Child Malnutrition"
      ],
      "interventions": [
        {
          "name": "TruHeight Growth Protein Shake",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "TruHeight Vitamins",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "4 Years to 17 Years"
      },
      "enrollment_count": 32,
      "start_date": "2023-01-18",
      "completion_date": "2023-08-11",
      "has_results": false,
      "last_update_posted_date": "2024-03-26",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06329388"
    },
    {
      "nct_id": "NCT06704178",
      "title": "A Study to Evaluate the Effects of a Dietary Supplement on Children's Health and Development Outcomes.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Height",
        "Cognitive Function",
        "Weight Gain"
      ],
      "interventions": [
        {
          "name": "NuBest Tall Growth Protein Powder",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Powder",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "NuBest",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "10 Years to 16 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-06-12",
      "completion_date": "2025-02-16",
      "has_results": true,
      "last_update_posted_date": "2025-07-24",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06704178"
    },
    {
      "nct_id": "NCT06387251",
      "title": "Assess the Effects of a 30 Day-wellness Program on Digestive Health, Weight and Overall Well-being",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Digestive Health"
      ],
      "interventions": [
        {
          "name": "30 day wellness program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Peryam & Kroll Research Corporation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "20 Years to 65 Years"
      },
      "enrollment_count": 150,
      "start_date": "2024-01-29",
      "completion_date": "2024-02-29",
      "has_results": false,
      "last_update_posted_date": "2024-04-29",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Chattanooga, Tennessee",
      "locations": [
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06387251"
    },
    {
      "nct_id": "NCT01146704",
      "title": "Gastrointestinal Hormonal Regulation of Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2010-09-01",
      "completion_date": "2019-02-27",
      "has_results": true,
      "last_update_posted_date": "2025-02-04",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "West Los Angeles, California",
      "locations": [
        {
          "city": "West Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01146704"
    },
    {
      "nct_id": "NCT01956994",
      "title": "The Effect of Whey Protein Supplementation on Vascular and Cognitive Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Blood Pressure"
      ],
      "interventions": [
        {
          "name": "Whey protein supplement",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Carbohydrate supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Syracuse University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "60 Years to 85 Years"
      },
      "enrollment_count": 99,
      "start_date": "2013-10",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-10-04",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01956994"
    },
    {
      "nct_id": "NCT06078683",
      "title": "Effects of Ketone Ester Consumption on Exercise Tolerance and Cardiac Function",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 2 Diabetes",
        "Ketone Body Metabolism",
        "Ketones, Metabolism"
      ],
      "interventions": [
        {
          "name": "Ketone Ester Acute",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo Acute",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-06-06",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-03",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06078683"
    },
    {
      "nct_id": "NCT00683826",
      "title": "The Effects of Leucine on Body Weight",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overweight",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "L-Leucine 8gr",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Liquid meal",
          "type": "OTHER"
        },
        {
          "name": "L-Leucine 4g",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 8,
      "start_date": "2007-05",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2013-03-05",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00683826"
    },
    {
      "nct_id": "NCT05667701",
      "title": "Soy Isoflavones For Inner City Infants At Risk For Asthma (SIRA) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Wheezing",
        "Asthma in Children"
      ],
      "interventions": [
        {
          "name": "Soy isoflavone",
          "type": "DRUG"
        },
        {
          "name": "matching placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rajesh Kumar",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "12 Months",
        "sex": "ALL",
        "summary": "2 Months to 12 Months"
      },
      "enrollment_count": 65,
      "start_date": "2024-09-18",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-11-21",
      "last_synced_at": "2026-10-07T09:00:50.113Z",
      "location_count": 2,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05667701"
    }
  ]
}