Jiaogulan
Jiaogulan, Gynostemma pentaphyllum, is a climbing vine of the cucumber family from Asia. It contains saponins called gypenosides.
Also listed as Southern Ginseng, Jiao Gu-lan, Giao-Co-Lam (Tea), Gynostemma Pentaphyllum
What it is studied for
The strongest rated effects first. Bars show the size of the effect, the letter grades the evidence, and each rating lists the studies behind it.
What is jiaogulan being studied for?
Jiaogulan, Gynostemma pentaphyllum, contains saponins and other plant compounds. Human research includes blood lipids, glucose control and stress-related anxiety. The studies use different preparations and populations, which matters when judging a product’s claims. 1 2 3
Why people take it
SuppCo community snapshot, 2026-09-28. Reasons for use are not evidence that it works.
Questions people ask
Does jiaogulan lower blood sugar?
Small trials in type 2 diabetes found a reduction. Larger, longer studies are needed to establish its place in care. 2 4
Can it replace a statin?
The reviewed trials do not establish equivalence to statins; LDL results favored conventional medicines in direct comparisons. 1
Did every stress measure improve?
No. The stress trial improved anxiety proneness, but several other anxiety measures did not differ significantly from placebo. 3
Ginseng
Panax Ginseng