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. 2021 Jul 22;13(8):2498. doi: 10.3390/nu13082498

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) IL-6 levels: fixed-effects meta-analysis and forest plot from studies providing supplementation of glutamine (b) TNFα levels: fixed-effects meta-analysis and forest plot from studies providing supplementation of glutamine.