Megavitamin therapy is the use of large doses of vitamins, often many times greater than the recommended dietary allowance (RDA) in the attempt to prevent or treat diseases. Megavitamin therapy is typically used in alternative medicine by practitioners who call their approach orthomolecular medicine. Vitamins are useful in preventing and treating illnesses specifically associated with dietary vitamin shortfalls, but the conclusions of medical research are that the broad claims of disease treatment by advocates of megavitamin therapy are unsubstantiated by the available evidence. It is generally accepted that doses of any vitamin greatly in excess of nutritional requirements will result either in toxicity (vitamins A and D) or in the excess simply being metabolised; thus evidence in favour
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| - علاج بجرعات الفيتامينات الضخمة (ar)
- Teiripe mheigivitimíní (ga)
- Megavitamin therapy (en)
- Terapia megavitamínica (pt)
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| - العلاج بجركات كبيرة من الفيتامينات (Megavitamin therapyns.) هي استخدام كميات كبيرة من الفيتامينات، غالباً تكون أكبر بكثير من الكميات المقررة والموضو بها (recommended dietary allowance (RDA)) للمحاول في المعالجة من الامراض. وهو يتم عادة استخدام الطب البديل (ar)
- Megavitamin therapy is the use of large doses of vitamins, often many times greater than the recommended dietary allowance (RDA) in the attempt to prevent or treat diseases. Megavitamin therapy is typically used in alternative medicine by practitioners who call their approach orthomolecular medicine. Vitamins are useful in preventing and treating illnesses specifically associated with dietary vitamin shortfalls, but the conclusions of medical research are that the broad claims of disease treatment by advocates of megavitamin therapy are unsubstantiated by the available evidence. It is generally accepted that doses of any vitamin greatly in excess of nutritional requirements will result either in toxicity (vitamins A and D) or in the excess simply being metabolised; thus evidence in favour (en)
- Teiripe cothaithe a thairg Linus Pauling, a cheap go seachnódh is go leigheasfadh dáileoga móra vitimín C an slaghdán coiteann trí iarmhairt dhíreach fhrithvíreasach agus an córas imdhíonach a fheabhsú. Is eol gur bhain síciatraithe feidhm as dáileoga móra de vitimíní éagsúla chun cóireáil ar othair le neamhoird éagsúla, scitsifréine, dúlagar is hipirghníomhaíocht, ar an mbonn gurbh fhéidir gur tharla siad seo mar thoradh ar easpa vitimíní. Is eol freisin ó thaighde iontaofa go bhfuil mionlach daoine nach féidir leo dóthain vitimíní nó mianraí a asú óna gcuid bia, agus gur gá d'othair ailse i bhfad níos mó díobh a ithe ná an gnáthduine chun nach mbeidh uireasa orthu. Ar an taobh eile, is eol go mbíonn iarmhairtí tocsaineacha ar mhéid iomarcach de vitimíní áirithe. Mar sin, is inmholta aon (ga)
- Terapia megavitamínica é a utilização de grandes doses de vitaminas, muitas vezes maiores do que a ingestão diária recomendada, na tentativa de prevenir ou tratar doenças. A terapia megavitamínica é normalmente empregada na medicina alternativa por profissionais que classificam tal abordagem sob o escopo da medicina ortomolecular, mas também pode ser usada na medicina atual para condições genéticas raras que respondem ao tratamento com megadoses de vitaminas. (pt)
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| - vitamins, dietary supplements (en)
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| - العلاج بجركات كبيرة من الفيتامينات (Megavitamin therapyns.) هي استخدام كميات كبيرة من الفيتامينات، غالباً تكون أكبر بكثير من الكميات المقررة والموضو بها (recommended dietary allowance (RDA)) للمحاول في المعالجة من الامراض. وهو يتم عادة استخدام الطب البديل (ar)
- Megavitamin therapy is the use of large doses of vitamins, often many times greater than the recommended dietary allowance (RDA) in the attempt to prevent or treat diseases. Megavitamin therapy is typically used in alternative medicine by practitioners who call their approach orthomolecular medicine. Vitamins are useful in preventing and treating illnesses specifically associated with dietary vitamin shortfalls, but the conclusions of medical research are that the broad claims of disease treatment by advocates of megavitamin therapy are unsubstantiated by the available evidence. It is generally accepted that doses of any vitamin greatly in excess of nutritional requirements will result either in toxicity (vitamins A and D) or in the excess simply being metabolised; thus evidence in favour of vitamin supplementation supports only doses in the normal range. Critics have described some aspects of orthomolecular medicine as food faddism or even quackery. Research on nutrient supplementation in general suggests that some nutritional supplements might be beneficial, and that others might be harmful; several specific nutritional therapies are associated with an increased likelihood of the condition they are meant to prevent. (en)
- Teiripe cothaithe a thairg Linus Pauling, a cheap go seachnódh is go leigheasfadh dáileoga móra vitimín C an slaghdán coiteann trí iarmhairt dhíreach fhrithvíreasach agus an córas imdhíonach a fheabhsú. Is eol gur bhain síciatraithe feidhm as dáileoga móra de vitimíní éagsúla chun cóireáil ar othair le neamhoird éagsúla, scitsifréine, dúlagar is hipirghníomhaíocht, ar an mbonn gurbh fhéidir gur tharla siad seo mar thoradh ar easpa vitimíní. Is eol freisin ó thaighde iontaofa go bhfuil mionlach daoine nach féidir leo dóthain vitimíní nó mianraí a asú óna gcuid bia, agus gur gá d'othair ailse i bhfad níos mó díobh a ithe ná an gnáthduine chun nach mbeidh uireasa orthu. Ar an taobh eile, is eol go mbíonn iarmhairtí tocsaineacha ar mhéid iomarcach de vitimíní áirithe. Mar sin, is inmholta aon teiripe meigivitimíní a ghlacadh faoi stiúir dochtúra. (ga)
- Terapia megavitamínica é a utilização de grandes doses de vitaminas, muitas vezes maiores do que a ingestão diária recomendada, na tentativa de prevenir ou tratar doenças. A terapia megavitamínica é normalmente empregada na medicina alternativa por profissionais que classificam tal abordagem sob o escopo da medicina ortomolecular, mas também pode ser usada na medicina atual para condições genéticas raras que respondem ao tratamento com megadoses de vitaminas. Em 2002, um artigo de revisão identificou cinquenta condições médicas que respondem a "terapias com altas doses de vitaminas". Espera-se que uma maior compreensão dessas condições contribua ao campo emergente da . Nutrientes podem ser úteis na prevenção e no tratamento de algumas doenças, mas as conclusões da pesquisa médica são de que as amplas reivindicações de tratamento de doenças pelos defensores da terapia megavitamínica não têm base na evidência disponível atualmente. É geralmente aceito que a dose de qualquer vitamina excessivamente além dos requisitos nutricionais irá resultar em toxicidade ou simplesmente será metabolizada — evidência a favor da suplementação de vitamina apenas em doses na faixa padrão. Os críticos descrevem alguns aspectos da medicina ortomolecular como ou até mesmo como charlatanismo. A pesquisa sobre a suplementação de nutrientes, em geral, sugere que alguns suplementos nutricionais podem ser benéficos, e que outros podem ser prejudiciais; várias terapias nutricionais específicas são associadas a uma maior probabilidade de incidência das condições que procuram prevenir. (pt)
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| - Health effects from very high doses of vitamins. (en)
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| - Frederick Klenner, Linus Pauling (en)
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