A food pyramid or diet pyramid is a triangular diagram representing the optimal number of servings to be eaten each day from each of the basic food groups.
The glycemic index or glycaemic index (GI) is a number associated with the carbohydrates in a particular type of food that indicates the effect of these carbohydrates on a person's blood glucose (also called blood sugar) level.
The glycemic load (GL) of food is a number that estimates how much the food will raise a person's blood glucose level after eating it.
This is a list of nutrition guides.
Nutrient density identifies the proportion of nutrients in foods, with terms such as nutrient rich and micronutrient dense referring to similar properties.