vitamin

Từ điển Oxford Advanced Learner 8th

vita·min [vitamin vitamins] BrE [ˈvɪtəmɪn] NAmE [ˈvaɪtəmɪn] noun
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

Word Origin:
early 20th cent.: from Latin vita ‘life’ amine, because vitamins were originally thought to contain an amino acid.

Collocations:
Diet and exercise
Weight
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/(BrE) 11 stone/(especially NAmE) 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 image
Healthy 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) 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 NAmE) quit smoking
Exercise
(BrE) take regular exercise
do moderate/strenuous/vigorous exercise
play football/hockey/tennis
go cycling/jogging/running
go to/visit/ (especially NAmE) 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 calories
Staying healthy
be/get/keep/stay healthy/in shape/(especially BrE) 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

Example Bank:
•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