Selected metabolic traits significantly associated with FFMIa in a linear regression model adjusted for age, and sex for the non-obese and obese participants in the KORA S4 sample.

aFat Free Mass Index;bfor multiple testing adjusted p-value;cadjusted R2 of the linear model; AAs, amino acids; Σ aromatic amino acids, sum of tyrosine, phenylalanine, and tryptophan; Σ BCAAs, sum of valine, isoleucine, and leucine; Σ glucogenic amino acids, sum of alanine, glycine, and serine.