| Evaluation of the therapeutic effect of a combination drug including Apocynin, Niacin, and Tannin on COVID-19 | Evaluation of the protective effect of a combination drug including Apocynin, Niacin, and Tannin on prevention of cardiovascular and respiratory morbidities and mortality in COVID-19 infection: A Clinical Trial | IRCT20200418047122N1 |
| Multiple Daily Condensed Tannin Supplementation and Iron Bioavailability: The Tannin Dose Response Trial | Long-term, Multiple Daily Condensed Tannin Supplementation in Increasing Concentrations Does Not Affect Iron Status or Bioavailability: Results From the Tannin-dose Response Trial. | NCT03030716 |
| Comparing the Effectiveness of Sanoon Khaas and Tannic Acid for Treating Gum Inflammation: A Hospital Study in South Delh | Comparative evaluation of the efficacy of Sanoon e Khaas with Tannic acid and Gum paint in the treatment of Awram e Lissa (Gingivitis) in a South Delhi Hospital A Randomized Control Trial - NIL | CTRI/2025/04/085200 |
| The Effect of Phytochemicals on the treatment of Phlebitis | The effect of Quercetin and Tannic acid on the treatment of phlebitis caused by venous catheters | IRCT2015061422738N1 |
| Effect of green tea Mouthwash on Gingival inflammation | Effect of Green Tea Mouthwash Containing 1 % Tannin on Plaque, Gingivitis and tooth staining | IRCT201302241081N7 |
| A clinical trial to study the effects of two gum ointments ellagic acid and tannic acid gum ointment in treating gum diseases | Comparing the efficacy of Ellagic Acid and Tannic acid Gum paint in gingivitis patients aged 17-25 years - A Randomized Control Trial - NIL | CTRI/2024/01/061530 |
