Nutrition involves the intake and utilization of food substances by our
bodies. Proteins, fats, and carbohydrates (in the form of sugars
and starches) supply us with the calories that we need for energy.
Vitamins, minerals, and dietary fiber supply our bodies with other
important nutrients. In addition to these nutrients, water
is an essential element to a healthy diet.
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Vitamins help our bodies perform their metabolic functions.
Water-soluble vitamins, including the B vitamins and vitamin C, are
excreted quickly, but fat-soluble vitamins, including A, D, E, and K,
are stored in the body. Vitamin deficiencies can cause certain
diseases, but excessive amounts of fat-soluble vitamins can also lead
to health problems. A balanced diet supplies adequate amounts
of most vitamins, but certain vitamin supplements may benefit people
with specific health or nutrition requirements. Minerals have
many uses in our bodies. The functions of iron, calcium, sodium,
potassium and magnesium are well-established; the benefits of various
trace minerals have also been researched to some degree.
Dietary fiber helps us digest food, can lower cholesterol levels,
and may help prevent hypertension and some forms of cancer.
Many adults drink several glasses of water per day to maintain
healthy metabolism and hydration levels, and to help remove body wastes.
Various foods contain different amounts and combinations of nutrients, and a varied diet will generally ensure adequate
nutrition. Nutritional supplements may help to compensate for a lack of specific nutrients in a person's diet, but
they are no substitute for a healthy diet. The United States Food and Drug Administration and other organizations
research nutrition issues and provide nutritional guidelines; these guidelines have been modified and refined over time.
NutritionInformation.us features convenient access to several nutrition information resources, food supplier directories,
and nutritional supplement suppliers.
Features a series of articles on general nutrition,
kids & nutrition, and improving your nutrition. This website
is operated by the American Academy of Family Physicians, a national
medical organization representing family physicians, family practice
residents, and medical students. www.FamilyDoctor.org
Foods, fitness, and health. Get your personalized nutrition and physical activity plan.
Track your foods and physical activities to see how they stack up. Get tips and support to help you make healthier choices and plan ahead.
This Canadian government publication is designed to help
persons choose food wisely. It translates the science
of healthy eating into a practical pattern of food choices
that meets nutrient requirements, promotes health, and minimizes
the risk of nutrition-related diseases. www.HC-SN.GC.ca
Directory of health food and diet food manufacturers in the United States. Each directory entry lists
contact information and includes a direct website link. Mfg.RegionalDirectory.us/health-and-diet-foods/
Extensive directory of local health food and diet food retailers throughout the United States. Each directory
entry includes contact information, category tags, and a website link. Retail.RegionalDirectory.us/health-and-diet-foods/