Metabolomic characterization of unintentional weight loss among community-dwelling older Black and White men and women.

Interestingly, we observed negative associations of branched‐chain amino acids (BCAAs) and aromatic amino acids (AAAs) with unintentional weight loss, although some were borderline significant, even after adjusting for protein intake, contrary to findings in obesity (Ahmad et al., 2022 ), weight gain (Wahl et al., 2015 ) and diabetes (Guasch‐Ferré et al., 2016 ; Long et al., 2020 ) among adults but is consistent with those for sarcopenia in older individuals (Lu et al., 2020 ).

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