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The purpose of this study is to examine the effects of supplementation with Cordyceps militaris MS-116-04 on exercise performance, endurance, cardiovascular fitness, gastrointestinal wellness, mood, and recovery compared to a placebo in healthy active adults.
Full description
This randomized, double-blind, placebo-controlled trial will evaluate the effects of daily supplementation with Cordyceps militaris MS-116-04 on exercise performance, endurance, cardiovascular fitness, gastrointestinal wellness, mood, and post-exercise recovery in healthy, active adults.
Participants will complete five study visits over approximately four weeks. Before each visit, participants will follow standardized pre-visit controls, including an 8-10 hour fast, 12 hours without caffeine, nicotine, or alcohol, and 24 hours of no structured exercise.
Visit 1 (Screening/Familiarization) includes informed consent, medical and medication review, anthropometrics, body composition (InBody), screening questionnaires, and familiarization with all exercise testing procedures (VO2max/peak test, 30-minute cycling bout, and Time to Exhaustion [TTE] trial).
Visit 2 (Baseline Part A) includes medication review, questionnaires (SHS-GI, PANAS), adverse event monitoring, and a maximal cycling VO2max/peak test.
Visit 3 (Baseline Part B) includes resting blood samples (serum cortisol, amylase, TNF-α, IL-10), a 30-minute cycling bout at 60% VO2peak, a cycling TTE trial, Borg RPE, and additional blood sampling immediately and four hours post-exercise. A standardized carbohydrate snack is provided during the four-hour recovery period. Participants are then randomized and receive instructions for daily supplementation and compliance tracking.
Visit 4 (End-of-Study Part A; 28-30 days later) mirrors Visit 2 and includes questionnaires, adverse-event review, and a VO2max/peak test.
Visit 5 (End-of-Study Part B; ~72 hours later) replicates Visit 3, including all blood sampling, the 30-minute cycling bout, TTE trial, four-hour recovery period, and standardized snack. Supplement return and compliance calculations are completed at this visit.
Enrollment
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Inclusion criteria
Healthy males and females aged 20 to 50 years of age. Individual indicates they are currently engaged in and historically engaged in exercise (i.e., structured or unstructured) for the prior 12 months.
Subject has the ability to exercise on a cycle ergometer without issue or concern.
Subject has the ability to "sprint" (cycle Time to Exhaustion Trial) without any orthopedic or other limitations.
Body Mass Index (BMI) 19 to 29.9 kg/m2 (normal weight to overweight status) Subject is in good health and appropriate for exercise as determined by physical examination, medical history and the Physical Activity Readiness Questionnaire (PAR-Q).
Subject can exercise on a cycle ergometer without issue or concern. Subject is a non-smoker. Subject agrees to not use any new vitamin, mineral, or dietary supplement product until after study completion and to not take any vitamins, minerals or dietary supplements 24 hours prior to the exercise test visits.
Subject is willing and able to comply with the protocol including: attending the study scheduled appointments, of which two of the study visits may take up to five hours for completion.
Subject agrees to refrain from exercise for the 24 hours prior to any test visits.
Subject agrees to refrain from alcohol use for at least 24 hours before every study visit.
Subject agrees to refrain from using any antihistamines for the 24 hours prior to the exercise test visits.
Subject agrees to refrain from drinking any exercise recovery beverages during the study period.
Subject is able to understand and sign the informed consent to participate in the study.
Exclusion criteria
Subject has any of the following medical conditions: active heart disease, uncontrolled high blood pressure (≥ 140/90 mmHg), renal or hepatic impairment/disease, Type I or II diabetes, bipolar disorder, Parkinson's disease, unstable thyroid disease, immune disorder (such as HIV/AIDS), any medical condition deemed exclusionary by the Principal Investigator (PI) Subject has a history of cancer (except localized skin cancer without metastases) within 5 years prior to screening.
Subject has a medical condition or orthopedic problem making exercising on a cycle ergometer contraindicated.
Subject has a VO2 peak/max value above the following age/sex categorizations (as measured during Visit 1): Males 20-29y - 47.5 mL/kg/min, Males 30-39y - 46.0 mL/kg/min, Males 40-45y - 43.9 mL/kg/min, Females 20-29y - 41.0 mL/kg/min, Females 30-39y - 39.6 mL/kg/min, Females 40-45y - 38.1 mL/kg/min Subject is currently taking antihypertensives, hypoglycemic medications or stimulatory asthma medications.
Subject is on an unstable dose of medication (defined as fewer than 90 days at the same dose).
Subject is taking a prescription medication deemed exclusionary by the Principal Investigator (PI).
Subject has an allergy to any ingredients in the Study Product. Subject has a history of drug or alcohol abuse in the past 12 months. Subject has a history of a psychiatric illness requiring hospitalization in the past 12 months.
Subject has any condition or abnormality that in the expert opinion of the PI, participation in the study would compromise the safety of the subject or the quality of the study data.
Subject is participating in or has participated in another research study within 30 days prior to the Screening visit.
Primary purpose
Allocation
Interventional model
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32 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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