It means that you need to follow what you eat, when you eat, and is it enough for your good condition. In many cases people overeat all the time. They also use junk food and alcohol. It can damage some functions of the organism and cause chronic diseases and pathologies.
In general, vitamins are abundant in fresh foods, such as fresh meat, legumes, whole grains, fruits and vegetables. People who consume a healthy and balanced diet with a wide variety of fresh foods should have an adequate vitamin supply.
Improper food storage, food preparation and cooking practice can destroy some vitamins in food. Every day our organism needs well balanced chemical formula with different substances. It helps to regenerate our cells. The organism can function properly if it has certain amount of fibers, amino acids, micro elements, which arrive from food. Remember you should eat well-balanced and various foods to deliver those more than 600 various substances to the organism. If this principle goal is achieved we feel healthy and can fight disease, stresses and brain storms.
Whether we need vitamin supplements or not depends on our lifestyle. If we live a healthy life, with minimum exposure to radiation, toxic chemicals, pollution and eat a balanced diet of wide variety of fresh organic food, we may not require food supplements after all. However we are far from it. A good lifestyle is just a goal, that we try to reach.