Foods like pasta, rice, white bread, sugar and other white foods are off limits. However, cauliflower is a white food you can feel good about eating. This nonstarchy vegetable is a cruciferous vegetable like cabbage and broccoli. High intake of cruciferous vegetables is associated with a lower risk of some cancers.
Vitamin and mineral supplements can be costly, but taking them often makes us feel like we are doing the right thing for our health. Unfortunately, a number of research studies--including the extensive Iowa Women's Healthy Study--indicate that supplements are not always beneficial.
Some vitamins should not be taken together. Some interactions between vitamins may lead to its poor absorption. For instance, iron supplements do not go together well with zinc and may also interfere with absorption of vitamin E. Calcium impedes the absorption of iron that's why they should not be taken together.