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NCT03929575 · ClinicalTrials.gov registry record · NA
Effects of Herbal Supplements on Endurance Exercise Performance
A NA study, sponsored by California Polytechnic State University-San Luis Obispo.
- Completed
- Registry status
- NA
- Development phase
- 13
- Enrollment target
NCT03929575: Completed NA study, sponsored by California Polytechnic State University-San Luis Obispo.
NCT03929575 is a NA study that has completed, run by California Polytechnic State University-San Luis Obispo. The registered enrollment target is 13 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03929575, a NA study, has completed, sponsored by California Polytechnic State University-San Luis Obispo.
- COMPLETED
- Registry status
- NA
- Development phase
- 13 participants
- Enrollment target
Study Summary
Cordyceps and Rhodiola are two common herbal supplements marketed and consumed as adaptogens to athletes with regard to enhanced performance. The effects of these supplements has been well studied in animals but whether or not the same effects translate to humans is still unclear. Thus, the primary purpose of this study is to determine whether combined supplementation of Rhodiola and Cordyceps, compared to Rhodiola alone and placebo, will demonstrate a greater improvement in oxygen consumption (ie. VO2 max).
Primary Outcome
Maximum oxygen consumption using the Bruce Protocol
Interventions
- DIETARY_SUPPLEMENT Placebo of calcium
- DIETARY_SUPPLEMENT Rhodiola
- DIETARY_SUPPLEMENT Rhodiola and Cordyceps
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 13 participants |
| Start Date | 2019-05-01 |
| Est. Completion | 2019-12-01 |
| Phase | NA |
What the finished NCT03929575 record still lists
NCT03929575 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 13 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo of calcium is the first listed.
NCT03929575 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03929575 about?
NCT03929575 is a clinical study titled "Effects of Herbal Supplements on Endurance Exercise Performance". Cordyceps and Rhodiola are two common herbal supplements marketed and consumed as adaptogens to athletes with regard to enhanced performance. The effects of these supplements has been well studied in animals but whether or not the same effects translate to humans is still unclear. Thus, the primary ...
What is the current status of trial NCT03929575?
This trial is currently completed. It is a NA study. The enrollment target is 13 participants. The study started on 2019-05-01. Estimated completion is 2019-12-01.
What interventions are being tested in trial NCT03929575?
The interventions under investigation include: Placebo of calcium (DIETARY_SUPPLEMENT), Rhodiola (DIETARY_SUPPLEMENT), Rhodiola and Cordyceps (DIETARY_SUPPLEMENT).
Who is sponsoring clinical trial NCT03929575?
This trial is sponsored by California Polytechnic State University-San Luis Obispo, which has 26 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03929575's enrollment target sits among peer trials
13 1911th of 2000 higher than 88 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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