Definition of vitamin noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈvɪtəmɪn//
; NAmE NAmE//ˈvaɪtəmɪn//
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a natural substance found in food that is an essential part of what humans and animals eat to help them grow and stay healthy. There are many different vitamins. breakfast cereals enriched with vitamins vitamin deficiency vitamin pills CollocationsDiet and exerciseWeight put on/​gain/​lose weight/​a few kilos/​a few pounds watch/​control/​struggle with your weight be/​become seriously overweight/​underweight be/​become clinically/​morbidly obese achieve/​facilitate/​promote/​stimulate weight loss slim down to 70 kilos/(British English) 11 stone/(especially North American English) 160 pounds combat/​prevent/​tackle/​treat obesity develop/​have/​suffer from/​struggle with/​recover from anorexia/​bulimia/​an eating disorder be on/​go on/​follow a crash/​strict diet have/​suffer from a negative/​poor body image have/​develop a positive/​healthy body imageHealthy eating eat a balanced diet/​healthily/​sensibly get/​provide/​receive adequate/​proper nutrition contain/​get/​provide essential nutrients/​vitamins/​minerals be high/​low in calories/​fat/​fibre/(especially US English) fiber/​protein/​vitamin D/​Omega-3 fatty acids contain (no)/use/​be full of/​be free from additives/​chemical preservatives/​artificial sweeteners avoid/​cut down on/​cut out alcohol/​caffeine/​fatty foods stop/​give up/ (especially North American English) quit smokingExercise (British English) take regular exercise do moderate/​strenuous/​vigorous exercise play football/​hockey/​tennis go cycling/​jogging/​running go to/​visit/ (especially North American English) hit/​work out at the gym strengthen/​tone/​train your stomach muscles contract/​relax/​stretch/​use/​work your lower-body muscles build (up)/gain muscle improve/​increase your stamina/​energy levels/​physical fitness burn/​consume/​expend caloriesStaying healthy be/​get/​keep/​stay healthy/​in shape/(especially British English) fit lower your cholesterol/​blood pressure boost/​stimulate/​strengthen your immune system prevent/​reduce the risk of heart disease/​high blood pressure/​diabetes/​osteoporosis reduce/​relieve/​manage/​combat stress enhance/​promote relaxation/​physical and mental well-being See related entries: Diet Word Originearly 20th cent.: from Latin vita ‘life’ + amine, because vitamins were originally thought to contain an amino acid.Extra examples Fish is rich in vitamins and minerals. Most foods contain vitamin E. Potatoes provide vitamins A and C, as well as calcium. Some people are getting too much vitamin A. The doctor told me to take vitamins regularly. Vitamin C deficiency can ultimately lead to scurvy. strawberries’ high vitamin C content vitamin D pills your daily vitamin C requirement
See the Oxford Advanced American Dictionary entry: vitamin

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