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Dr John Wade, MD, FRCP, discusses the importance of vitamin D. Loading the player... The Importance of Vitamin DDr John Wade, MD, FRCP, discusses the importance of vitamin D. Featuring Dr. Wade, MD, FRCP Duration: 3 minutes, 51 seconds So, vitamin D is an essential vitamin. It is a fat-soluble vitamin, so you get it in your diet primarily or through absorption through the skin. Vitamin D has important functions for our body. We recognize that it is important for good health in terms of bone health, good teeth health, and also important for muscle function. So, vitamin D has a lot of important functions in terms of the muscle cell system, particularly teeth, bones, and muscles. We recognize that in some kiddies that have vitamin D deficiency, a condition called osteomalacia, that they have very weak bones and they also have very weak muscles. So, we recognize that vitamin D in the state where it’s really not present, that there are significant medical concerns. As we have sort of recognized the importance of vitamin D, we looked at it more closely in adult and particularly in older people. There are a number of interesting studies now that we have observed that show the importance of vitamin D in terms of both bone and muscle. And NHANES, a three study, which is a study that the U.S. Government does on the aging men and women in the United States. They take healthy women after the age of 55 and they look at a whole number of things in their health. They assess them, do a lot of blood tests and the recognition was that people that were over 65 that had low vitamin D levels walk slower. So, the observation was if you give more vitamin D, and you have high levels of vitamin D, you walk faster. So, we recognized it was important in that. There was also a study done a number of years ago in France where they give men and women over the age 80, they gave them calcium, vitamin D and they follow these men and women for two years. All the difference was is that men and women that were otherwise healthy got calcium versus placebo. At the end of two years, the observation was that the instance of hip fractures in the men and women that got calcium and vitamin D was half of what it was in the placebo group. Again, we at the time didn’t think a lot about that and didn’t really believe it, it was just a one sort of smaller study, although a very well designed trial. Since then there have been numerous studies looking at the importance of vitamin D in falls and fractures. We recognize that if we give vitamin D to people, that the likelihood of them falling, in clinical trials anyway, is reduced by 20 to 30 percent. So, if you are given the vitamin D supplementation you can – it will make you walk faster and people may fall less. This doesn’t have anything to do with actually making the bone stronger, it is just talking about making muscles stronger, people are walking faster and falling less. Then as important or more importantly is the effect of vitamin D on the bone. We recognize that vitamin D is important for absorption of calcium from the GI tract, so you need to get your calcium and vitamin D to absorb it. Vitamin D is important in holding it on so you don’t lose it in the kidney and then vitamin D is important in incorporating calcium into the bone matrix, making the bone material, making the bone strong. So, it mineralizes your bone. So, vitamin D has a number of functions and we recognize that giving vitamin D makes bones stronger. The bone SD will go up with it and they are less likely to have a fracture if given vitamin D. So, vitamin D really is a very important essential vitamin that we strongly recommend that people if they are not getting enough vitamin D naturally then would get it through supplement. Video Quiz Test your knowledge by answering the following questions:
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Zdravi Recepti Pileći rižoto s gljivama Kašica od špinata Juha od gljiva Riža na mlijeku sa bazgom Kukuruzni uštipci Popularno Autosjedalice Za najmlađe bi bilo zanimljivo u autu imati npr. viseće igračke, koje se objese za rukohvat te... Vitamin D u trudnoći Objavljeno: 15.11.2012 | Autor: trudnoca.hr Zašto je trudnicama potreban vitamin D? Vitamin D u trudnoći je veoma bitan jer njegov nedostatak može izazvati anomalije u rastu kostiju i razne deformacije djeteta od rođenja pa sve do odrasle dobi. Isto tako, porođajna težina djeteta može biti bitno ugrožena, kao i razvoj djetetova imunološkog sustava. Vitamin D koji je odgovoran za održavanje razine kalcija i fosfora u tijelu trudnice pomaže izgraditi kosti i zube vaše bebe. Ukoliko dijete pri rođenju bude bez potrebnih doza vitamina, povećane su šanse od rahitisa koji dovodi do deformacija i prijeloma kostiju. Imajte na umu da lijekovi za snižavanje kolesterola i steroidi bitno otežavaju razgradnju vitamina D u organizmu. Nedostatak ovog vitamina u tijelu trudnice može dovesti do brojnih komplikacija i povećane vjerojatnosti da će dijete biti rođeno carskim rezom. Može doći i do preeklampsije (povećani krvni tlak i koncentracija proteina u urinu) koja ako se ne liječi može prijeći u eklampsiju koja uzrokuje gubitak svijesti, komu, pa čak i smrti majke i djeteta. U moderno doba pokrenutna su mnogobrojna istraživanja na temu prevencije bolesti uzimanjem vitamina D. Često se uz prevenciju bolesti vitaminom D spominju autoimune bolesti poput dijabetesa tipa 1, artritis, multipla skleroza, bolesti desni, problemi sa krvnim tlakom te karcinom. Potreba za vitaminima Trudnicama se preporučuje dnevna doza od 5 mikrograma (200 IUS) ukoliko se trudnica izlaže suncu te se dodatno stvara vitamin D u tijelu. Ukoliko trudnica nije izložena suncu, ta dnevna potreba raste i do 4.000 IU vitamina D. Proizvodi iz prirode koji sadrže vitamin D Masne ribe, riblje ulje, mlijeko, jaja i žitarice sadrže najviše vitamina D, no ukoliko proizvodi nisu provjerenog porijekla, svakako na ambalaži provjerite količinu vitamina D koji sadrže. Primjeri dobrih izvora vitamina D - 60g kuhanog soma: 570 IU - Oko 5grama kuhane skuše i lososa: oko 500 IU - Šalica mlijeka : 100 IU - Čaša soka od naranče: 100 IU - 1 Žumanjak: 20 IU Vitamin D kao dodatak prehrani Najvjerojatnije će vam biti potrebni dodaci prehrani koji sadrže vitamin D jer je količina dobivena iz hrane zanemariva, a u vitaminskim pilulama za trudnice se vitamin D najčešće nalazi u veoma maloj količini. Dok jedni liječnici smatraju kako se količina vitamina D može nadoknaditi izloženošću suncu, drugi upozoravaju na opasnost izlaganja sunčevim zrakama, pogotovo u trudnoći kada je koža trudnice osjetljivija na pigmentacijske promjene uslijed kojih dolazi do neravnomjernog tamnjenja kože. Uz nedostatno izlaganje suncu do nedostatka vitamina D može dovesti i pohranjivanje vitamina D u koži, tako da jako mali dio uđe u organizam. Određeni lijekovi smanjuju razgradnju vitamina D u organizmu (lijekovi za snižavanje kolesterola,steroidi) . Svakako preporučujemo da se posavjetujete sa svojim liječnikom prilikom odabira vitamina D koji ćete konzumirati. Imajte na umu da je vitamin D3 najučinkovitiji oblik vitamina D jer se u potpunosti iskorištava,dok je kod D2 iskoristivost do 25% slabija. Nedostatak vitamina D Nedostatak vitamina D će se manifestirati nekim simptomima samo ako je razina vitamina D izrazito niska. U tom slučaju može doći do slabljenja kostiju i opće slabosti. Ukoliko imate blagi nedostatak vitamina D u trudnoći, vjerojatno nećete imati nikakve simptome, no nedostatak vitamina će se odraziti na zdravlje vašeg djeteta. Najsigurnije je napraviti krvne pretrage koje pokazuju razinu seruma 25 (OH) D, oblik koji se nalazi u krvi.