We could define a drug-nutrient interaction as the interaction between medicines and one or more nutrients. When we talk about nutrients, they comprehend vitamins and minerals we take from ingested food, these nutrients are crucial to maintain a healthy body and prevents getting sick. So, medicines help the body to assimilate better those nutrients, actually medicines can decrease or increase the amount of nutrients absorbed. However, this is also the reason why is not healthy to intake medicines for a long period of time, this can affect the boy in a way that nutrients don't reach the proper levels to the body, increasing or decreasing permanently their absorption.