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A healthy diet may contain fruits, vegetables, and whole grains, and may include little to no ultra-processed foods or sweetened beverages. The requirements for a healthy diet can be met from a variety of plant-based and animal-based foods, although additional sources of vitamin B12 are needed for those following a vegan diet. [4]
VLCDs are defined as a diet of 800 kilocalories (3,300 kJ) per day or less. [ 8 ] [ 9 ] Modern medically supervised VLCDs use total meal replacements , with regulated formulations in Europe and Canada which contain the recommended daily requirements for vitamins , minerals , trace elements , fatty acids , protein and electrolyte balance .
In nutrition, diet is the sum of food consumed by a person or other organism. [1] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related).
Nutrition in humans is balanced with eating for pleasure, and optimal diet may vary depending on the demographics and health concerns of each person. [37] Humans are omnivores that eat a variety of foods. Cultivation of cereals and production of bread has made up a key component of human nutrition since the beginning of agriculture. Early ...
The Mediterranean Diet Pyramid is a nutrition guide that was developed by the Oldways Preservation Trust, the Harvard School of Public Health, and the World Health Organization in 1993. It summarizes the Mediterranean Diet pattern of eating, suggesting the types and frequency of foods that should be enjoyed every day.
The Mediterranean diet is a concept first invented in 1975 by the American biologist Ancel Keys and chemist Margaret Keys. The diet took inspiration from the eating habits and traditional food typical of Crete, much of the rest of Greece, and southern Italy, and formulated in the early 1960s. [1]
A plant-based diet is a diet consisting mostly or entirely of plant-based foods. [ 1 ] [ 2 ] It encompasses a wide range of dietary patterns that contain low amounts of animal products and high amounts of fiber-rich [ 3 ] plant products such as vegetables , fruits , whole grains , legumes , nuts , seeds , herbs, and spices .
A bland diet allows the digestive tract to heal before introducing foods that are more difficult to digest. A bland diet is designed primarily to help patients recover from gastrointestinal conditions or other medical circumstances in which improved digestion would be essential. [2] It is not especially effective as a long-term weight loss diet ...