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Benefits and Adverse Effects of Histidine Supplementation by Thalacker-Mercer, Anna E; Gheller, Mary E is a Medicine article available to read on EtoBox.

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ABSTRACT Histidine is a nutritionally essential amino acid with many recognized benefits to human health, while circulating concentrations of histidine decline in pathologic conditions [e.g., chronic obstructive pulmonary disease (COPD) and chronic kidney disease (CKD)]. The purpose of this review is to examine the existing literature regarding the benefits of histidine intake, the adverse effects of excess histidine, and the upper tolerance level for histidine. Supplementation with doses of 4.0–4.5 g histidine/d and increased dietary histidine intake are associated with decreased BMI, adiposity, markers of glucose homeostasis (e.g., HOMA-IR, fasting blood glucose, 2-h postprandial blood glucose), proinflammatory cytokines, and oxidative stress. It is unclear from the limited number of studies in humans whether the improvements in glucoregulatory markers, inflammation, and oxidative stress are due to reduced BMI and adiposity, increased carnosine (a metabolic product of histidine with antioxidant effects), or both. Histidine intake also improves cognitive function (e.g., reduces appetite, anxiety, and stress responses and improves sleep) potentially through the metabolism of histid

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Author

Thalacker-Mercer, Anna E; Gheller, Mary E

Publisher

Elsevier BV

Published

2020

Language

EN

Field

Medicine (Health Sciences)