Quercetin Phytosome vs. COVID-19: One more scientific evidence

Very important results from a human study led by University of Pavia, Italy, and involving 120 high exposure healthcare workers: quercetin Phytosome® supplementation helps maintaining health conditions in 75% people working in a COVID-19 infectious environment.

Such evidences confirm once more the efficacy of quercetin, formulated with Indena’s Phytosome® delivery system, in being a favourable supplementation in situations where possible exposition to SARS-CoV-2 risks is higher.

"We are very happy to work with such prestigious University with the aim to further investigate quercetin Phytosome® (Quercefit®) potential in supporting a healthy condition during this COVID-19 period, thus contributing to explore how nature may help fighting the pandemic - says Pietro Allegrini, R&D Director of Indena S.p.A. – Quercefit® is one of Indena’s signature ingredient and an example of company’s continuous commitment in developing high quality, effective and innovative products, to face the most important and current challenges for human wellbeing”.

It’s important to remind that in the global emergency due to COVID-19 it’s required to follow the guidelines provided by international and local Health Authorities. Social distancing, mask use, consulting the doctor if any symptoms occur are the strict and necessary rules everybody must follow. And only drugs must be used in acute clinical situations.

But at the same time supplementation of specific botanical ingredients, like quercetin Phytosome® (Quercefit®), can play a positive role, thanks to its proven capacity to modulate the body physiological response to a possible infection, capacity due to the pleiotropic mechanism including the senolytic action. It’s also worth remembering quercetin’s proven properties to modulate immune and inflammatory responses in individuals experiencing respiratory discomforts.

“Quercetin, for its crucial properties, fulfills the need for a multifactor action that is useful for the potential counterbalance of a possible COVID-19 infection – explains Mariangela Rondanelli, Department of Public Health, Experimental and Forensic Medicine, University of Pavia - Given this background, the aim of the study was to evaluate the potential effect of 3 months’ supplementation with Quercetin Phytosome® (250 mg twice a day) as favourable modulation of body physiological response when symptomatic COVID-19 may occur. In total, 120 subjects were enrolled, with 60 in the supplementation group and 60 in the placebo group. Subjects underwent rapid COVID-19 diagnostic tests every 3 weeks. During our study, 5 subjects had COVID-19, only 1 out of 60 subjects in the quercetin Phytosome® group and 4 out of 60 in the control group. Complete clinical remission was recorded at 7 and 15 days in the supplementation and placebo groups, respectively”.

Another important result of the study is related to the long-term protective potential of quercetin Phytosome®, as further says Mariangela Rondanelli: “Analysis showed that, at 5 months, those who had taken the supplement had a protection factor of 14% more to stay healthy, than that of those who had taken a placebo”. The study carried out by the University of Pavia adds to those, conducted some months ago, which showed that quercetin Phytosome® supplementation helps people maintaining their health condition in a SARS-CoV-2 infectious environment, without substituting the standard precautionary measures and treatments envisaged by the medical protocols.

As of June 2022, there have been 9 published studies of quercetin and COVID-19 (c19quercetin.com).

Quercetin is also no. 1 in this prevention studies league table: