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Vitamin B deficiency – what are the key symptoms? Dietary sources of B vitamins
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Vitamin B deficiency – what are the key symptoms? Dietary sources of B vitamins

Energy Deficiency Symptoms Neurological Disorders Metabolic Health Risks Cognitive Performance Nervous System Health Dietary Health Risks Metabolic Processes Metabolic Disorders Vitamins For Health Vitamin Deficiency
Kacper Nowak Author
2026-05-19 Date
4 min. read article.read_time
3 Chapters
Vitamins represent essential organic compounds that play a pivotal role in sustaining the body’s homeostatic processes, including metabolic reactions, neurotransmitter synthesis, and tissue repair mechanisms. The B-vitamin complex is particularly critical for regulating nervous system function, which in turn influences psychological stability and cognitive performance. Inadequate intake of these vitamins may result in neurological dysfunction, impaired concentration, or even depressive disorders. Furthermore, B vitamins facilitate cellular energy metabolism, bolster immune responses, and contribute to the integrity of skin and mucosal membranes. Prolonged deficiency poses significant health risks, underscoring the importance of recognizing symptomatic manifestations and dietary sources of these micronutrients.

Niedobór witaminy B

Witaminy z grupy B wspierają układ nerwowy i są katalizatorami ważnych reakcji biochemicznych.. Ich prawidłowy poziom pozytywnie wpływa na sprawność umysłu i nastrój, a także chroni m.. in. Przed niedokrwistością.. Trudno je przedawkować, jak również na dłużej zmagazynować w organizmie.. Wszystkie witaminy z grupy B mają wiele cech wspólnych i oddziałują na organizm w podobny sposób, dlatego często są określane, jako kompleks witamin B.

Objawy niedoboru witaminy B

Objawy niedoboru witaminy B1 Anoreksja lub szybka utrata masy ciała Brak apetytu Zapalenie jelita grubego Problemy z trawieniem, takie jak biegunka Uszkodzenie nerwów Zmęczenie Zmniejszenie pamięci krótkotrwałej Drażliwość Osłabienie mięśni Zmiany nastroju Problemy z sercem W efekcie skrajnego niedoboru witaminy B1 może dojść do choroby beri-beri (zanik mięśni, zaburzenia psychiczne).. Objawy niedoboru witaminy B2 Problemy ze wzrokiem, tworzenie się „jęczmieni” Kłopoty z koncentracją Zawroty głowy Bezsenność Łuszczące się zmiany skórne okolic nosa, ust, czoła i uszu, Swędzenie w okolicy ujścia pochwy Obrzmienie lub pękanie błony śluzowej jamy ustnej Zapalenie warg, języka lub błon śluzowych, pleśniawki, zajady jamy ustnej, łojotok Opóźnienie wzrostu Wypadanie włosów Zaburzenia oddychania Bóle mięśni Objawy niedoboru witaminy B3 Zapalenie skóry (wysypki skórne), Palenie w gardle i przełyku, dyskomfort w żołądku i jamie brzusznej, zaparcia, nudności, wymioty i biegunkę Osłabienie funkcji poznawczych (otępienie), dezorientacja, depresja Objawy niedoboru witaminy B5 Zmęczenie Depresja Drażliwość Bezsenność Bóle brzucha Wymioty „Płonące” stopy Infekcje górnych dróg oddechowych Skurcze mięśni Objawy niedoboru witaminy B6 Zmiany nastroju Drażliwość, lęk i depresja Ciągłe zmęczenie Bóle mięśni Pogorszenie objawów PMS Objawy niedoboru witaminy B7 Wysypka Zaburzenia w funkcjonowaniu układu nerwowego, tj.. Depresja, apatia, stany lękowe Bóle mięśni Nerwowość, rozdrażnienie, lękliwość Nadwrażliwość czuciowa Cierpnięcie dłoni i stóp Nudności, brak apetytu Niedokrwistość Powiększona wątroba Wzrost poziomu cholesterolu we krwi Zapalenie spojówek, skóry Błony śluzowe gardła stają się szare Wypadanie włosów, łuszczenie się naskórka, łupież, tłusta skóra Objawy niedoboru witaminy B9 Dolegliwości ze strony układu pokarmowego Jej niedobór u kobiety w ciąży sprzyja wadom cewy nerwowej np.. Rozszczep kręgosłupa, przepuklina oponowo-rdzeniowa.. Może być również przyczyną poronienia.. Objawy niedoboru witaminy B12 Chroniczne zmęczenie Bóle mięśni i stawów Trudności z oddychaniem lub duszność Zawroty głowy Kiepska pamięć Niezdolność do koncentracji Zmiany nastroju, takie jak nasilona depresja i lęk Kołatanie serca Krwawienie z dziąseł, słabe zęby Nudności Biegunka Skurcze Brak apetytu.

W jakich produktach jest witamina B?

Nazwa witaminy Źródła spożywcze Witamina B1 (tiamina) Produkty zbożowe (kasza gryczana, płatki owsiane, ryż), mięso i wędliny, nasiona roślin strączkowych (groch, fasola, soczewica).. Występuje również w ziemniakach, drożdżach, wodorostach, orzechach brazylijskich, nasionach, słonecznika i w sezamie.. Witamina B2 (ryboflawina) Przetwory mleczne (mleko, jogurty naturalne, białe sery, kefiry), jaja, drób, przetwory zbożowe z pełnego ziarna.. Witamina B3 (niacyna, wit. PP) Mięso i wędliny, ryby (tuńczyk, łosoś), mleko, rośliny strączkowe (groch, fasola), ziemniaki, wątróbka, drób, nasiona słonecznika.. Witamina B5 (kwas pantotenowy) Warzywa liściaste, rośliny strączkowe, awokado, grzyby, mięso, ryby i jajka.. Wątróbka, nasiona słonecznika.. Witamina B6 (pirydoksyna) Ryby, mięso, rośliny strączkowe, pełne ziarna zbóż oraz warzywa liściaste.. Witamina B7 (biotyna) Podroby, mleko, grzyby, warzywa.. Znajduje się także w owocach: arbuzy, banany, melony, grejpfruty, brzoskwinie, winogrona oraz warzywa ch: kalafior, buraki, groch, pomidory, szpinak, marchew.. Witamina B9 (kwas foliowy) Zielone warzywa: brukselka, brokuły, szpinak, szparagi, sałata czy kalafior.. Ponadto bogatym źródłem są drożdże, żółtko jaja, wątróbka, otręby pszenne oraz chleb razowy i rośliny strączkowe (groch, fasola lub soja) Witamina B12 (cyjanokobalamina) Produkty pochodzenia zwierzęcego, głównie podroby (wątroba, nerki).. Jaja i ryby. Małe ilości zawierają wędliny, mleko i przetwory mleczne, drób i mięso wieprzowe.. Źródło: Opracowanie własne Każda witamina z grupy B odgrywa bardzo ważną rolę w organizmie, aby unikać ich niedoboru codzienna dieta powinna być przede wszystkim zbilansowana, zawierająca w swoim składzie zarówno produkty zbożowe, mięso, jak i warzywa.. Niewystarczająca ilość witaminy B może mieć poważne, nieodwracalne konsekwencje zdrowotne.
Kacper Nowak

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