Is folic acid absorption can be interrupted in our body by what we eat( like iron can't be absorbed in presence of calcium) or nothing can affect it?

Few Simple Answers: Reality: the rate, speed, completeness may be altered some. None of the issues are as simple as implied by question as stated. The real high-tech is within each of us. Medicine, with scientific assistance, is about working to sort out some of the complexities within us. Basic chemistry principles, applied with fantastic complexity (called biochemistry, i.e. As implemented by all living organisms).