Evidence supporting the use of: Protein (unspecified)
For the health condition: Anorexia

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Synopsis

Source of validity: Scientific
Rating (out of 5): 4

Protein supplementation is scientifically validated as a supportive intervention in the management of anorexia, particularly anorexia nervosa. Malnutrition and protein-energy wasting are common complications in individuals with anorexia due to prolonged inadequate intake, leading to loss of muscle mass, impaired immune function, and poor wound healing. Clinical guidelines for the treatment of anorexia nervosa emphasize the importance of nutritional rehabilitation, with protein being a crucial macronutrient for restoring lean body mass and supporting metabolic needs during refeeding.

Multiple studies have demonstrated that increasing protein intake during refeeding improves nitrogen balance, helps preserve or restore muscle mass, and supports overall recovery. While the exact optimal amount and source of protein may vary, ensuring adequate protein intake is a cornerstone of nutritional therapy in anorexia. Oral supplements containing protein are often used when patients are unable to meet their needs through food alone. Additionally, consensus statements and guidelines from organizations such as the Academy for Eating Disorders and ESPEN (European Society for Clinical Nutrition and Metabolism) highlight the role of protein in the dietary management of undernutrition associated with eating disorders.

In summary, the use of protein supplementation in anorexia is supported by substantial scientific evidence and forms a standard part of best-practice treatment protocols for nutritional rehabilitation, although it is always used as part of a comprehensive medical and psychological management plan.

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