Here are the 5 most common vitamin deficiencies in Poles, which - if they persist for a long time - can have a significant and negative impact on health. I think everyone is quite aware that vitamin B12 deficiency is common. However, B12 deficiency is not the only one, fewer people, for example, are aware that people often lack folates, i.e. vitamin B9, in their diet. For more information, I invite you to watch the video. Best regards, dietitian Dr. Bartek Kulczyński. ✔️ My newsletter in the form of a morning health diary: https://drbartek.pl/dziennik/ ✔️ Subscribe to my channel and click the bell icon to stay up to date: https://bit.ly/subskrybuj_moj_kanal ⏱️ TABLE OF CONTENTS: 0:00 Invisible cogs that determine health 0:40 Vitamin B9 (folates) 4:22 Vitamin B12 9:34 Choline (formerly vitamin B4) 12:25 Vitamin C 14:57 Vitamin D 16:25 Element deficiency ✔️ MY E-MAIL: [email protected] ✔️ MY IG: drbartekpl ✔️ MY BLOG: www.drbartek.pl ✔️ BRIEFLY ABOUT ME: I have 67 national and international scientific publications to my credit, published by Elsevier, Springer, Taylor & Francis and others. In 2015-2019 I was the editor of the scientific journal "Advances in Dietetyki w Geriatrii i Gerontologii". For years I have worked with magazines, for which I write popular science articles on dietetics. I have written about 300 of them. Since 2018, I have been employed by the University of Life Sciences, where I teach students of dietetics and food technology. From 2012 to the present, I have run my own dietetic practice, where I develop individual nutrition plans for patients. I have a Ph.D. in food technology and nutrition.