From Longman Dictionary of Contemporary EnglishRelated topics: Nutrition, Chemistryvitaminvit‧a‧min /ˈvɪtəmən, ˈvaɪ- $ ˈvaɪ-/●くろまる●くろまる○しろまる noun [countable]1DFNa chemicalsubstance in food that is necessary for good healthTry to eat foods that are rich in vitamins and minerals.vitamin A/B/C etc (=a particular type of vitamin)Lack of vitamin E can cause skin diseases and tiredness.2 (also vitamin pill, vitamin supplement) a pill containing vitaminsPerhaps I ought to take vitamins.Examples from the Corpusvitamin• The diets were reformulated to include more vitamins, minerals, and carbohydrates.• These days everyone is becoming an expert in the nutritional value of different foods and the importance of vitamins and traceelements.• The loss of vitaminC in friedpotatoes has been investigated but the results show considerablevariationaccording to conditions.• The debate over vitamins takes place in a marketplaceoverflowing with supplemental pills, powders and potions.• Similar controversiessurroundvitamin C, ascorbic acid.• For small children, an overdose can result from swallowing as few as three vitamins with iron.• Because parathyroid and renalfunction are normal, therapy with vitaminD is indicated.vitamin A/B/C etc• She recovered after vitamin C therapy said the medicaljournalClinical and ExperimentalDermatology.• Starfruit is high in vitamin C, and sweetnessvaries with the variety.• Only bellpeppers contain more vitamin C than a cabbage.• It is concluded that successful eradication of H pylori improvessecretion of vitamin C into gastricjuice.• There is no evidence that either antihistamines or vitamin C are beneficial.• Countries now routinely providing vitamin A have virtually eliminated vitamin Arelated blindness and death.• In each study, the rates in the vitamin A and placebo groups were similar.• Hoffmann-La-Roche's Sight and Life programmesupplied the vitamin A and placebo.take vitamins• I tend to play hard but I work-out hard and I take vitamins and try to eat well and stuff like that.• Any subjects taking vitaminssupplements within a year of entering the trial were not included in this study.• There was Mrs Richards telling me I ought to take vitamins.Originvitamin(1900-2000)Latinvita ( → VITAL) + Englishamine ( → AMINO ACID); because it was at first believed to contain an amino acid