Hormonal
Elevated baseline serum levels of branched-chain (valine, leucine, isoleucine) and aromatic (phenylalanine, tyrosine) amino acids are strongly predictive of future type 2 diabetes development in Chinese populations, independent of conventional metabolic markers.
If you are of Chinese descent or have similar metabolic profiles (lower BMI but higher visceral fat), standard blood sugar tests may not reveal your diabetes risk until it is too late. Elevated levels of specific amino acids (valine, leucine, isoleucine, phenylalanine, tyrosine) appear years before clinical diagnosis. While not yet a standard clinical test, this suggests that individuals with a family history of diabetes should prioritize visceral fat reduction and metabolic health monitoring beyond just fasting glucose, as these metabolic shifts may precede clinical disease.
Early elevation of the five AAs and their combined score was closely associated with future development of diabetes, suggesting an important role of these metabolites as early markers of diabetes.
Why this rating
Longitudinal study with 10-year follow-up, rigorous statistical adjustment, and replication in cross-sectional cohorts, though limited to one ethnic population.
Source
Branched-chain and aromatic amino acid profiles and diabetes risk in Chinese populations
Tianlu Chen et al. · Scientific Reports · 2016
DOI 10.1038/srep20594
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