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
Banaba doesn't have enough studies with structured effect-size data yet to pool a verdict. Browse the studies below for individual findings.
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: We particularly scrutinize the evidence supporting its roles in metabolic regulation and cancer therapy, highlighting areas where mechanistic insights remain superficial or conflicting.
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: CA may have multi-targeted blood-pressure-lowering potential.
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)