Abstract
Background:
Consumption of added sugars (AS) and sugar-sweetened beverages (SSB) may adversely affect adolescents’ weight and cardiovascular disease risk. Reliance on self-reported dietary assessment methods is a common research limitation, which could be overcome by dietary intake biomarkers.
Aim:
The investigation was a proof-of-concept study to evaluate the proposed carbon isotope ratio (δ13C) biomarker of AS intake in adolescents, using a controlled feeding design.
Methods:
Participants (
Results:
Fingerstick δ13C values changed from day 1 to 8 by –0.05 ± 0.071‰ on 5% AS, and +0.03 ± 0.083‰ on 25% AS (
Conclusions:
Larger scale investigations are warranted to determine if this technique could be applied to population-level research in order to help assess the effectiveness of interventions aimed at reducing the consumption of AS or SSB intake.
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