Clinical trials
catalyst calendar across sponsors →Studies where USNA is the lead sponsor, as filed with ClinicalTrials.gov. Completion dates are the sponsor's own projected windows and are revised as a study runs. Active studies first, then completed and stopped — newest readout first within each.
8 interventional · 2 with posted results
Held by 8 tracked-famous managers (RENAISSANCE TECHNOLOGIES LLC, AQR CAPITAL MANAGEMENT LLC, TWO SIGMA INVESTMENTS, LP, D. E. Shaw & Co., Inc., CITADEL ADVISORS LLC, +3 more) · FINRA short interest 7.5 days to cover (settled 2026-07-31) · insider 90d: 0 buys / 8 sells · government filings 180d: none disclosed
| Study | Phase | Status | Interventions | Conditions | Enrollment | Primary completion | Updated |
|---|---|---|---|---|---|---|---|
| Safety and Tolerability of 2 Dietary Supplement Beverages Designed to Maintain Healthy Blood Pressure.NCT06442293Aggregate Adverse Symptom ScoreRandomized · Single-masked · Other | Not applicable | Unknown status | Dietary supplement: Treatment 1, Treatment 2, Placebo | Safety Issues, Tolerance | 18 | 2024-08-15 | 2024-06-04 |
| A Clinical Study to Determine if Beta Glucan Reduces the Incidence, Duration or Severity of URTIs Among SkiersNCT05917015Upper respiratory tract symptomsRandomized · Triple-masked · Prevention | Not applicable | Unknown status | Dietary supplement: Treatment · Other: Placebo | Upper Respiratory Tract Infections, Mental Stress | 45 | 2023-12-31 | 2023-06-23 |
| The Effects of an Oral Probiotic Intervention With or Without a Novel ADP-1 ToothpasteNCT05330793Gingival IndexRandomized · Quadruple-masked · Supportive care | Not applicable | Completed | Dietary supplement: Oral probiotic, Placebo | Oral Health | 105 | 2022-12-16actual | 2023-04-21 |
| The Acute Effects of a Dietary Supplement on Cognitive Performance in Highly Trained Athletes.NCT05926050Reaction timeRandomized · Triple-masked · Treatment | Not applicable | Completed | Dietary supplement: Treatment (CopaPrime+ (USANA Health Sciences) · Other: Placebo | Reaction Time | 41 | 2022-08-10actual | 2023-07-03 |
| A Follow-up Trial of Proglucamune® in the Treatment of Protective Qi Deficiency, a TCM ConditionNCT03782974results2024-01-30Change in Severity Score of Protective Qi DeficiencyRandomized · Quadruple-masked · TreatmentStudy Protocol, Statistical Analysis Plan, and Informed Consent Form ↗ | Not applicable | Completed | Dietary supplement: beta glucan | Protective Qi Insufficiency (a Condition Term From TCM) | 207 | 2019-06-06actual | 2024-01-30 |
| An Evaluation of Proglucamune in the Treatment of Protective Qi InsufficiencyNCT03829228results2021-10-27Change of Protective Qi Score (PQS) Determined by a Standardized AssessmentOpen-label · TreatmentStudy Protocol and Statistical Analysis Plan ↗ | Not applicable | Completed | Dietary supplement: Proglucamune | Protective Qi Insufficiency | 30 | 2018-06-03actual | 2021-10-27 |
| Effect of a MVM Dietary Supplement on Indices of Human HealthNCT03488992HDL CholesterolRandomized · Triple-masked · Basic science | Not applicable | Completed | Dietary supplement: MVM/phytochemical supplement, Placebo | Metabolic Syndrome | 65 | 2018-02-25actual | 2018-04-05 |
| Effect of a Multivitamin/Multimineral/Phytochemical Dietary Supplement on Indices of Human HealthNCT03146312Gene expressionRandomized · Triple-masked · Basic science | Not applicable | Completed | Dietary supplement: MVM/phytochemical supplement, Placebo | Healthy | 24 | 2017-06-08actual | 2018-03-30 |
Primary completion is the date the sponsor filed with the registry — their own projection, revised whenever they revise it, unless the row is marked actual.
Source: ClinicalTrials.gov, retrieved 2026-08-19