| Not Yet Recruiting | Assessing Dietary Intake of Selected Food Components Using Short Questionnaires Nutritional Status, Iron-deficiency, Diet | — | 2026-03-01 |
| Not Yet Recruiting | Study of the Efficacy of Dietary Supplementation in Targeting Sleep Quality (NutriSom-01B) Sleep Onset Latency, Sleep Quality | N/A | 2025-10-01 |
| Not Yet Recruiting | NutriPlant - Opportunities for Increasing Consumption of Local Fruits and Vegetables Functional Constipation, Irritable Bowel Syndrome | N/A | 2025-01-20 |
| Enrolling By Invitation | Challenges in Achieving Adequate Dietary Status of Women Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency | — | 2025-01-06 |
| Recruiting | Efficacy of Dietary Supplementation With Melatonin in Targeting Sleep Quality Sleep Onset Latency, Sleep Quality | N/A | 2024-09-17 |
| Unknown | Challenges in Achieving Adequate Vitamin D Status in the Adult Population - Part 3 (VITAD/3) Vitamin D Serum Levels | — | 2022-12-05 |
| Unknown | Dietary Challenges in the Population of Nursing Homes' Residents Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency | — | 2022-05-26 |
| Completed | Comparative Single-dose Bioavailability Study of Different CoQ10 Formulations Bioavailability of Coenzyme Q10 | N/A | 2021-02-28 |
| Completed | ETOL-Elderly Study of the Efficiency of the Innovative Food Supplement in Elderly Adults Vitamin d Deficiency, Vitamin B 12 Deficiency, Protein Deficiency | N/A | 2020-02-20 |
| Completed | The Proportion of Patients With Non-diagnosed Diabetes Type 2 Diabetes Mellitus, Type 2 | — | 2020-01-20 |
| Completed | Challenges in Achieving Adequate Vitamin D Status in the Adult Population/ Part 2 Vitamin D Deficiency | N/A | 2019-01-08 |
| Completed | Challenges in Achieving Adequate Vitamin D Status in the Adult Population - Part 1 Vitamin D Serum Levels | — | 2019-01-08 |
| Completed | The Effect of Content of Barley Beta-glucans in Bread on Postprandial Blood Sugar Glycemic Index | N/A | 2018-11-26 |
| Completed | Bioavailability Study of CoQ10 Formulations in Healthy Elderly Adults Bioavailability of Coenzyme Q10 | N/A | 2017-08-29 |
| Completed | Adults Nutrition as a Protective or Health-risk Factor Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency | — | 2017-06-01 |
| Completed | Influence of Beta-glucan Enriched Barley Flour in Bread on Glycemic Response Glycemic Index | N/A | 2015-02-01 |