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ClinicalTrials.gov public records Last synced Sep 30, 2026, 12:45 PM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Natural Immune Systems Inc Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Golden Black Seed: Support of Metabolic Health and General Wellness.

NCT03643094
View directory record Official record
Conditions
Hyperlipidemias, Hyperglycemia
Interventions
Golden Black Seed
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
40 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Proof-of-concept Study on Immune Surveillance and Alertness

NCT05431751
View directory record Official record
Conditions
Immune Surveillance
Interventions
Whole Algae
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 7, 2023 · Synced Sep 30, 2026, 12:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Rapid Response of Stem Cells and Immune Cells for Efficacy

NCT07127705
View directory record Official record
Conditions
Stem Cell Surveillance
Interventions
Placebo, Chaga Mushroom, Ginseng extract, Olive extract, Potassium Hydrogen Glucarate
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 17, 2025 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Antioxidant Bioavailability

NCT04463030
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Liposomal vitamin C, 1 gram, Liposomal vitamin C, 2 grams, Liposomal vitamin C, 5 grams, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Effects of an Herbal Tea on Immune Surveillance and Activation.

NCT04491461
View directory record Official record
Conditions
Active Immune Response
Interventions
Herbal tea blend, Warm water
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rapid Effects on Antioxidant Status, Immune Alertness, and Regenerative Activity

NCT07142720
View directory record Official record
Conditions
Immune Surveillance, Stem Cell Surveillance
Interventions
A low dose of seaweed extract, A high dose of seaweed extract, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Topical Cream for Pain Relief

NCT05213052
View directory record Official record
Conditions
Chronic Pain
Interventions
Topical cream
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
21 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutraceutical Support of Fatigue Reduction, Improved Physical, Mental & Cognitive Function and Mitochondrial Function

NCT04261881
View directory record Official record
Conditions
Fatigue
Interventions
ATP-Fuel, ATP-II
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Sep 30, 2026, 12:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Clinical Trial on Rapid Immune Modulating Effects

NCT07206407
View directory record Official record
Conditions
Immune Surveillance
Interventions
Placebo, Nutraceutical blend
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

EpiCor Clinical Study on Rapid Immune Modulating Effects

NCT05819424
View directory record Official record
Conditions
Immune Surveillance
Interventions
Yeast Fermentate (EpiCor)
Dietary Supplement
Lead sponsor
Cargill
Industry
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 25, 2024 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Evaluation of Plant-based Nutritional Products on Stem Cells

NCT03388073
View directory record Official record
Conditions
Stem Cell Mobilization, Hematopoietic Stem Cell Mobilization, Stem Cell Homing
Interventions
Berry extract I, Berry Extract II, Berry extract blend, Placebo
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
20 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Alkaline Ionized Water: Sports Recovery and Inflammation Management

NCT02748655
View directory record Official record
Conditions
Sports Recovery
Interventions
Alkaline ionized water, Tap water
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
25 Years to 40 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Deepure(Pu-erh Tea Extract) on Glycemic Control

NCT03613688
View directory record Official record
Conditions
Glucose Metabolism Disorders
Interventions
Deepure
Dietary Supplement
Lead sponsor
Tasly Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 31, 2018 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Activity Levels, Inflammatory Markers, and Overall Wellness.

NCT03619265
View directory record Official record
Conditions
Range of Motion
Interventions
Prickly pear juice, Pear-flavored juice
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
35 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 12, 2020 · Synced Sep 30, 2026, 12:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Rapid Effects of a Biofield Patch on Antioxidant Status and Cellular Energy

NCT07314359
View directory record Official record
Conditions
Antioxidant Status
Interventions
Active dermal patch, Placebo dermal patch
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Hydration Status When Consuming Alkaline Water Compared to Reverse Osmosis Purified Water.

NCT04460846
View directory record Official record
Conditions
Hydration
Interventions
Alkaline water, Reverse osmosis water
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CytoQuel: Clinical Documentation on Effects on Chronic Pain, Wellness, and Reduction of Inflammatory Markers

NCT03690609
View directory record Official record
Conditions
Pain
Interventions
CytoQuel
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
30 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Proof-of-concept Study on Rapid Immune Modulating Effects

NCT05364710
View directory record Official record
Conditions
Immune Surveillance
Interventions
Transfer factor from colostrum ultrafiltrate
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated May 13, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Efficacy of Jobelyn™ Consumption on Hemoglobin Levels in a Borderline Anemic Population

NCT01828060
View directory record Official record
Conditions
Anemia
Interventions
Jobelyn™, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Immunological Effect of Increasing Doses of Natural Peptide

NCT05176678
View directory record Official record
Conditions
Pharmacokinetics
Interventions
1 gram of a protein hydrolysate, 2 grams of a protein hydrolysate, 4 grams of a protein hydrolysate, 8 grams of a protein hydrolysate
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
25 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Study on Rapid Antioxidant Protection and Immune Modulating Effects.

NCT05042674
View directory record Official record
Conditions
Pharmacokinetics
Interventions
Placebo, Ergothioneine, 25 miligrams, Ergothioneine, 25 miligrams, daily for 1 week
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Sep 30, 2026, 12:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Clinical Trial: Rapid Immune Modulating Effects

NCT07195552
View directory record Official record
Conditions
Immune Surveillance
Interventions
Agaricus blazei, Reishi, Turkey Tail, Placebo
Dietary Supplement · Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 26, 2025 · Synced Sep 30, 2026, 12:45 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Acute Effects on Stem Cell Surveillance

NCT07341178
View directory record Official record
Conditions
Stem Cell Surveillance
Interventions
Anthocyanin-rich berry extract, Anthocyanin-rich flower/leaf extract, Berry /leaf blend, Placebo
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Sep 30, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Immune Modulation by Probiotic Strain

NCT06754228
View directory record Official record
Conditions
Immune Surveillance
Interventions
Probiotic Agent
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 30, 2026, 12:45 PM EDT