Top Dietitian Calgary – Food and nutrition give energy to our bodies physical fitness is the prime requirement of happiness in anybody’s life. Every day we need to replenish the nutrients in our bodies with new nutrients. Water is one of the important parts of a nutritious diet. Maintaining essential minerals and vitamins is also important for maintaining good health. For adults and pregnant women and those who are over the age of 50, vitamins such as vitamin D as well as minerals which include calcium and iron are important to consider when choosing a diet and potential dietary supplements.