Editing Metabolic typing (section)

{{Short description|Pseudoscientific diet system}}
{{about|the pseudoscientific diet system|the classification system of organisms by their energy and carbon sources|primary nutritional groups}}
'''Metabolic typing''' is a [[pseudoscience]] whose proponents believe that each person has a unique [[metabolism]], and that the proportion of macromolecules (proteins, [[Carbohydrate|carbohydrates]] and fats) which are optimal for one person may not be for a second, and could even be detrimental to them.

Metabolic typing uses common visible symptoms related to the skin, eyes, and other parts of the body to assess different aspects of a person's metabolism and categorize them into broad metabolic types. In addition, some proponents of metabolic typing use tests such as [[hair analysis (alternative medicine)|hair analysis]] to determine a person's metabolic type.<ref name="wolcott1">The Metabolic Typing Diet, Wolcott and Fahey, p.118-119</ref>

A number of somewhat different metabolic typing diet plans are currently marketed, though the validity and effectiveness of metabolic typing have yet to be established.<ref name="qw2">[http://www.quackwatch.org/01QuackeryRelatedTopics/Tests/nutrabalance.html Nutrabalance], a metabolic typing firm, described by [[Quackwatch]]. Accessed April 27, 2007.</ref>