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Dr Patrick Zemb: “Vitamin D against covid-19?  Yes, but every day!  ” – France

When was your interest in vitamin D started and why?

I am an obstetrician gynecologist, freelance in Lorient since 1992. I have a hospital activity at the Groupement hospitalier de Bretagne Sud (GHBS) since 1986. In 2014, I read an article, published in a report by Inserm (National Institute of Health and Medical Research, NDLR), which titled “Breast cancer and vitamin D status, the link is established”. I was flabbergasted! As a gynecologist, if I could have a way to reduce the frequency of breast cancer, I had to get hold of it! I approached the rheumatologists at the hospital, who were very familiar with vitamin D. I first prescribed the recommended protocol to my patients, with occasional ampoule sockets, called charging. But I quickly had doubts about the effectiveness of this dosage.

You have been administering vitamin D to all your patients yourself, but in daily form, since 2017. What feedback do you have?

I stayed between two waters until 2016. Until the commented slide show of the American biology professor Bruce Hollis finally convinced me: everything indicates that the daily intake of vitamin D is the most effective in terms of prevention, in with regard to acute respiratory infections. This is not a theory, it is a proven fact! All the data published since the start of the covid-19 pandemic points in the same direction. I have established my own CléDSol protocol since 2017, after validation by Prof. Jean-Claude Souberbielle, hospital practitioner at Necker Hospital in Paris and international referent. Three years later, I have a decline of 1000 dosages carried out and measured after four months, which attest to a constant and sufficient blood vitamin D concentration, winter and summer, in the patients concerned. I obviously apply it to myself too!

Neither the Academy of Medicine nor the WHO yet recommend taking vitamin D every day …

That there is a vitamin D deficiency in winter, linked to the lack of sunlight and its scarcity in the diet, everyone agrees on this. That it is necessary to avoid the deficiency by supplementing, too. If the health authorities continue to advocate intermittent intake of vitamin D, it is because historically, it has been effective in the fight against rickets and osteoporosis. And then, it was felt that people would not comply with the daily grip. This argument can no longer be heard in the midst of the covid crisis. Children or adults, everyone today has an interest in it.

There is no medical contraindication to this daily intake of vitamin D?

Only in the context of specific pre-existing pathologies, such as hypersensitivity to vitamin D or sarcoidosis. Hence the interest of always seeking the prior opinion of your attending physician.

Do you think you can be heard beyond the circle of believers?

Following the first covid wave, I co-signed a reference publication in the Journal of global antimicrobial resistance (Jigat) with ten experts from eight nationalities. I am currently participating in several international video conferences. Our common goal is to alert health authorities, based on facts, not opinions.

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