Standardized Hibiscus-Inulin Shot Lowers Lipid-Glucose Indices in Adults with Overweight and Obesity: 8-Week Randomized Trial
Abstract
Background: Few trials have evaluated liquid chromatography-mass spectrometry (LC-MS)-standardized ready-to-drink formulations, and short-term responses of composite lipid-glucose indices under controlled intake remain unquantified. This study assessed 8-week changes in Atherogenic and triglyceride-glucose indices (AIP and TyG) after the consumption of a Hibiscus-inulin (HIB-INU) beverage and tested whether baseline risk modified these effects. Methods: A randomized, double-blind, placebo-controlled trial was conducted in adults aged 18-50 years with BMI ≥ 25 kg/m2 (n = 100: 50 per group) who consumed a daily 60 mL Hibiscus-inulin shot or sensory-matched placebo for 8 weeks. The Hibiscus-inulin shot was LC-MS-standardized to ensure reproducible exposure; co-primary outcomes were AIP and TyG (pre-specified as exploratory), and secondary outcomes were mean arterial pressure (MAP) and pulse pressure (PP). ANCOVA adjusted for baseline, age, and sex was used to estimate between-group differences and to test for interactions by baseline risk. Results: Adjusted 8-week differences versus placebo were -0.09 for AIP (95% CI -0.15 to -0.03; p = 0.004) and -0.14 for TyG (-0.26 to -0.03; p = 0.020). MAP and PP showed no significant differences between the groups (p > 0.05). Effects were larger in high-risk baseline strata. Conclusions: A standardized hibiscus-inulin shot produced short-term improvements in composite lipid-glucose indices without hemodynamic change. Because minimal…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 100 participants or records.
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