1Systematic Review2007
Ulbricht C, Dam C, Milkin T, Seamon E, Weissner W, Woods J · J Herb Pharmacother (2007)
No plain-language summary recorded for this citation — open the paper to read its abstract.
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11 peer-reviewed studies
What the evidence says
Most Banaba studies are mechanism or observational rather than RCTs that measure a clinical effect — keep findings provisional.
Most evidence is from high-quality randomised trials published 2003–2026 with a typical study size of 31 participants.
Based on 11 studies · 5 RCTs · 31 total participants
Confidence
Moderate confidenceBy outcome
3 studies in the last 5 years
Ulbricht C, Dam C, Milkin T, Seamon E, Weissner W, Woods J · J Herb Pharmacother (2007)
No plain-language summary recorded for this citation — open the paper to read its abstract.
Choi MS, Ryu R, Seo YR, Jeong TS, Shin DH, Park YB · Food Funct (2014)
No plain-language summary recorded for this citation — open the paper to read its abstract.
López-Murillo LD, González-Ortiz M, Martínez-Abundis E, Cortez-Navarrete M, Pérez-Rubio KG · J Med Food (2022)
No plain-language summary recorded for this citation — open the paper to read its abstract.
Manaf A, Tjandrawinata RR, Malinda D · Drug Des Devel Ther (2016)
No plain-language summary recorded for this citation — open the paper to read its abstract.
Judy WV, Hari SP, Stogsdill WW, Judy JS, Naguib YM, Passwater R · J Ethnopharmacol (2003)
No plain-language summary recorded for this citation — open the paper to read its abstract.
In plain English: By synthesizing these findings, we aim to identify critical knowledge gaps and propose a structured roadmap with specific, hypothesis-driven future research directions required to rigorously assess CA's translational potential and pave the way for potential clinical applications.
Xu X, Zhao Z, Zhang J, Shi L, Gao W, Yang X, Zhang X, Liu L, Xu Y. · Frontiers in pharmacology (2026)
In plain English: Its clinical efficacy and safety require further confirmation.
Chen F, Tew WY, Ong MT, Yam MF. · Molecules (Basel, Switzerland) (2026)
In plain English: A controlled trial (n=31) found corosolic acid lowered post-challenge plasma glucose levels.
Fukushima M et al. · Diabetes Res Clin Pract (2006)
In plain English: A review summarized the efficacy and safety of banaba (Lagerstroemia speciosa) for glucose control.
Stohs SJ et al. · Phytother Res (2012)
In plain English: A study identified insulin-like glucose-uptake compounds from Lagerstroemia speciosa.
Bai N et al. · J Agric Food Chem (2008)
In plain English: An animal study reported anti-diabetes and anti-obesity activity of a standardized banaba leaf extract.
Klein G et al. · Evid Based Complement Alternat Med (2007)