Medications have become an integral part of life for many people. Medicine serves to help people when they are sick, allowing them to live longer and healthier lives. With rapidly growing research and technology, medications are more beneficial, and new ones continue to be discovered. do need to be taken with caution, however. All medications, whether prescribed by a doctor or bought , are capable of harmful side effects. The foods people eat contain that are used by the body to produce . Sometimes, certain medications may interact with both the food eaten and the nutrients the food gives to the body for proper functioning. When the body is unable to use a nutrient due to a drug that has been taken, a nutrient-drug interaction has occurred.