| Not Yet Recruiting | Immune and Cognitive Benefits of Mango Intake in Young Adults NCT06229262 | Loma Linda University | N/A |
| Recruiting | Effects of Bacillus Coagulans SNZ 1969 on Immune Health in Healthy School-aged Children NCT07341750 | Sanzyme Biologics Private Limited | N/A |
| Not Yet Recruiting | The Bloom Infant Probiotic (BIP) Study NCT07189390 | South Australian Health and Medical Research Institute | Phase 2 |
| Not Yet Recruiting | Comparison of the Effects of Aerobic-Anaerobic Exercises on Hormonal and Immune Biomarkers NCT07092969 | Sakarya Applied Sciences University | N/A |
| Not Yet Recruiting | Innate Immunity, MIcrobiota and Inovative Treatments in Endometriosis NCT07078435 | University Hospital, Grenoble | N/A |
| Completed | PFAS Exposure and Immune Response to Vaccination in Adults NCT06588530 | Rutgers, The State University of New Jersey | Phase 4 |
| Recruiting | Effects of LP28 on Immunity Enhancement in the Elderly NCT06724185 | Synbio Tech Inc. | N/A |
| Completed | Efficacy of Twinkle Eyez Supplementation in Improving Ocular Health and Immunity NCT06574685 | Ecolite Group | N/A |
| Not Yet Recruiting | Precision Psychiatry for Depression: Immune Response and Affective Symptoms as Predictors of Response to Antid NCT06337539 | Germans Trias i Pujol Hospital | — |
| Withdrawn | Effect of Protocatechuic Acid on Biochemical Markers of Immunity Status in Healthy Adults NCT06121362 | Milton S. Hershey Medical Center | N/A |
| Completed | Analysis of Psychoneuroimmunological Parameters of Health in Specific Population Groups in Slovakia NCT07070180 | Comenius University | — |
| Unknown | Study on Immune Status of Patients With COVID-19 NCT05682573 | Qilu Hospital of Shandong University | — |
| Completed | Clinical Study on the Effect of Probiotic Compound Powder on the Immunity Improvement of Preschool Children NCT05585021 | Shenzhen Precision Health Food Technology Co. Ltd., | N/A |
| Unknown | the Efficacy and Safety of Curcuma Longa Extract Mixture on Immune Enhancement NCT05324800 | Chonbuk National University Hospital | N/A |
| Unknown | The Effect of the Consumption of 4 Botanical Extracts on Immunity in Healthy Adults (B-4-Immune) NCT05117385 | Givaudan France Naturals | N/A |
| Completed | the Efficacy and Safety of Fermented Soybean(Doenjang Powder) on Intestinal Microflora and Immune Enhancement. NCT05190237 | Chonbuk National University Hospital | N/A |
| Completed | Impact of Solarplast® on Immunity in Active Smokers and Non-smokers NCT05162820 | University of Memphis | N/A |
| Unknown | Vitamin D Supplementation and TB NCT01992263 | Cornell University | N/A |
| Completed | Understanding Immunity to the COVID-19 Vaccines NCT04664309 | Stanford University | — |
| Unknown | The Efficacy and Safety of Black Rice Bran Extract on Immune Enhancement NCT04940910 | Chonbuk National University Hospital | N/A |
| Completed | The Efficacy and Safety of SGF200 on Immune Enhancement NCT04930640 | Chonbuk National University Hospital | N/A |
| Completed | COVID-19 Vaccination AZV 2021-2023 NCT05589233 | University Hospital Hradec Kralove | — |
| Unknown | Immunity Against Severe Acute Respiratory Syndrome Coronavirus 2 Disease (COVID-19) in the Oncology Outpatient NCT04779346 | Universitätsklinikum Hamburg-Eppendorf | — |
| Completed | Allium Extracts on the Incidence of Respiratory Infection Symptoms in Healthy Elderly Volunteers NCT04647071 | DOMCA S.A. | N/A |
| Completed | Efficacy and Tolerability of ABBC1 in Volunteers Receiving the Influenza or Covid-19 Vaccine NCT04798677 | AB Biotek | N/A |
| Recruiting | Understanding Immunity to the Flu Vaccine in COVID-19 Patients NCT04579588 | Stanford University | — |
| Unknown | Efficacy and Safety of Ethanol Extracts of Porphyra Tenera(PTE10) on Promotion of Immunity NCT04017988 | Chonbuk National University Hospital | N/A |
| Withdrawn | A Clinical Study to Investigate the Effect of a Partially Hydrolysed Infant Formula With Added Synbiotics on t NCT03062995 | Nutricia Research | Phase 3 |
| Completed | Efficacy and Safety of Nokyong Mixture Extract(CME-PI) on Promotion of Immunity NCT04010331 | Chonbuk National University Hospital | N/A |
| Completed | the Efficacy and Safety of Blueberry Yeast Fermentation Freeze Dying Powder on Promotion of Immunity NCT03923894 | Chonbuk National University Hospital | N/A |
| Completed | Mechanisms of Inflammation, Immunity, Islet Cell and Intestinal Hormone Changes in Youth at Risk for Diabetes NCT04031222 | The Hospital for Sick Children | — |
| Completed | A Clinical Study to Investigate the Effect of a Partially Hydrolysed Infant Formula With Added Synbiotics on G NCT03067714 | Nutricia Research | Phase 3 |
| Active Not Recruiting | Immunity Period After One Dose of Yellow Fever Vaccine in Adults and Children (Paraiba Study) NCT02555072 | The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz) | Phase 4 |
| Completed | The Efficacy and Safety of Cordyceps Sinensis Mycelium Culture Extract(Paecilomyces Hepiali, CBG-CS-2) on Prom NCT02814617 | Chonbuk National University Hospital | Phase 2 / Phase 3 |
| Completed | Efficacy and Safety of Cordyceps Sinensis Mycelium Culture Extract(Paecilomyces Hepiali, CBG-CS-2) on Promotio NCT02244372 | Chonbuk National University Hospital | N/A |
| Unknown | BRAND'S® Essence of Chicken in the Promotion of Resilience and Resistance to Stress-associated Cognitive Inhib NCT02166931 | Taipei Medical University Shuang Ho Hospital | N/A |
| Completed | Immune-modulation Effects of an Arginine Rich Nutritional Supplement in Surgical Patients NCT01885728 | Martin Angst | N/A |
| Completed | Vitamin D Supplementations as Adjunct to Anti-Tuberculosis Drugs in Mongolia NCT01657656 | Harvard School of Public Health (HSPH) | N/A |
| Completed | Efficacy and Safety of Cauliflower Mushroom Extract on Promotion of Immunity NCT01736787 | Chonbuk National University Hospital | N/A |
| Completed | Effect of Weight Reduction on Immunity NCT03336086 | Shiraz University of Medical Sciences | Phase 3 |
| Unknown | Modulation of Immune Response by Oral Zinc Supplementation in Chemotherapy for Colon Cancer NCT01261962 | University of Sao Paulo | N/A |
| Completed | Mucosal Response in Immunocompromised Host NCT01109914 | Leiden University Medical Center | Phase 4 |
| Completed | Investigation of A Children's Beverage Containing Different Probiotics NCT00990002 | Mead Johnson Nutrition | — |
| Unknown | The Influence of Probiotics on the Immunologic Response to Vaccinations in Infants NCT00645996 | Assaf-Harofeh Medical Center | N/A |
| Completed | Protective Immunity Project 01 NCT00788021 | Emory University | — |
| Completed | Prospective Comparison of Immunological Benefit of Laparoscopic Colectomy NCT00744159 | Samsung Medical Center | — |
| Completed | Tai-Chi-Chuan on Differentiation and Maturation of Dendritic Cells NCT00322959 | Mackay Memorial Hospital | — |
| Completed | A Study on Immunological Effect of Vitamin A and Zinc in a Placebo Controlled 4 Cell Trial NCT00374023 | International Centre for Diarrhoeal Disease Research, Bangladesh | N/A |
| Completed | The Effct of Chitooligosaccharide on Immune Function in Healthy Adults NCT00468962 | Eulji University Hospital | Phase 4 |