is one of the major changes in women's life. There is an increase need of nutrients which you can incorporate by adding variety of foods or through supplements. get your blood work done and talk with your doctor and dietitian for personalized diet.
Since i don't know much about your dietary pattern, try to follow this guidelines
get enough calcium: include low fat dairy products, sardines, broccoli etc
include iron rich foods such as lean red meat, poultry and eggs
make sure there is enough fiber in your diet by including colored vegetables and fruits in your diet
drink plenty of water
flax seeds/ fish oil is known to be beneficial because of its omega 3 fats during menopause
avoid products rich in sugar/fat
try to go for a brisk walk or swim atleast for 45 mins
if need be take supplements and meditate if possible.. its a good practice. it helps to ease of anxiety
and mood swings during this phase.