Here you are a vocabulary wordlist for your FCE on healthy eating. Remember that this list is not closed, you can add other words you consider relevant to this topic, but you can start working with it. You'll also find the phonetic alphabetic transcription to learn the spelling and the pronunciation at the same time.
Nouns calorie /ˈkæləri/
carbohydrate /ˌkɑːbəˈhaɪdreɪt/
dairy(food) /ˈdeəri/ fat /fæt/ fibre /ˈfaɪbə/ junk food /dʒʌŋk fuːd/
portion /ˈpɔːʃn/
protein /ˈprəʊtiːn/
vitamin /ˈvɪtəmɪn/
Adjectives balanced(diet) /ˌbælənst/
(un)healthy /ˈhelθi/ high in (fat) /haɪ ɪn/
lean(meat) /liːn/ low in (salt) /ləʊ ɪn/
substantial (portion) /səbˈstænʃl/
Verb phrases cut down (on) (salt) /kʌt daʊn/
cut out (fat) /kʌt aʊt/
get round to /ˈɡet ˈraʊnd tu / keep to (a diet) /kiːp tu/
take up (a sport) /teɪk ʌp/
put on (weight) /ˈpʊt ɒn/
Health Issues Nouns antibiotic /ˌæntibaɪˈɒtɪk/
antihistamine /ˌæntiˈhɪstəmiːn/
bandage /ˈbændɪdʒ/
blister /ˈblɪstə/
casualty (department) /ˈkæʒʊəlti/
flu /fluː/ plaster /ˈplɑːstə/
prescription /prɪˈskrɪpʃn/
scales /skeɪlz/ scar /skɑː/ stitches /ˈstɪtʃɪz/
stomachupset /ˈstʌmək ˌʌpˈset/ stress /stres/ surgery /ˈsɜːdʒəri/
symptom /ˈsɪmptəm/
treatment /ˈtriːtmənt/
vaccination /ˌvæksɪˈneɪʃn/
Adjectives jet-lagged /ˈdʒet læɡd/
run down /rʌn daʊn/
sore (throat) /sɔː/
Verb phrases build up (a healthy immune system) /bɪld ʌp/ come down with (a cold) /kʌm daʊn wɪð/ lose (your voice) /luːz/ Phrasal Verbs
make for (the centre of town) /ˈmeɪk fə/ make out (what sb is saying) /ˈmeɪk aʊt/ make sth into (sth else) /ˈmeɪkˈɪntə/ make up (an excuse) /ˈmeɪk ʌp/ make up for (lost time) /ˈmeɪk ʌp fə /
Hope you find it useful and interesting !