Grapefruit juice could be a potential source of risky interactions if it is mixed with certain specific medications. Johns Hopkins Health Alerts has recently attempted for finding the reasons of such effects.According to this review, there are some medications which do not mix well with some specific foods. The grapefruits or the grapefruit juice is one of these. It may interact with adverse impacts if mixed with certain medications. Natural grapefruits normally contain substances which can cause activity of enzymes in the intestines and liver where the medications are processed. Such type of mix would in turn result in to risky increase of the drug level in blood.
Another risky interaction may also occur between the blood thinner ‘warfarin’ and ‘vitamin K’. This vitamin is present in several types of multi-vitamins and other supplements along with other sources. Medical effects of the ‘warfarin’ gets neutralized because of its mixing with vitamin K. it also causes high risk of blood clotting which is the main effect of ‘warfarin’.