- Home
- Ingredients
- Banaba Leaf
Banaba Leaf In GlycoAid
A Philippine tree leaf carrying corosolic acid, used in tea long before capsules.
Where Banaba Leaf Comes From
Banaba is a flowering tree native to the Philippines and to tropical Southeast Asia more widely, notable for large purple blossoms that give it the local name pride of India. The leaves have been brewed as a tea in the Philippines for generations, long before anyone isolated anything from them.
What Banaba Leaf Is Doing In GlycoAid
The compound that carries the research is corosolic acid, a triterpene found in the leaf. It appears to influence glucose transport into cells, and it has picked up the nickname phyto-insulin in some of the older literature, which overstates the case considerably but describes the direction of the effect.
The Research Behind Banaba Leaf
The human evidence is real, small and heavily concentrated in Japanese research from the nineteen-nineties and two-thousands. Several trials, mostly in the range of a few dozen participants, found modest reductions in post-meal glucose. There has not been much large modern replication, which is the honest limitation on this ingredient.
What Dose The Studies Actually Used
Trials have used 32 to 48 mg a day of extract standardised to one percent corosolic acid. That is a genuinely small figure by supplement standards, and it is one of the few ingredients in this formula that a 500 mg shared blend could comfortably carry at something close to a studied amount.
How this relates to GlycoAid. The fourteen ingredients share one 500 mg blend weight and no individual figure is printed, so what any single name contributes cannot be read off the label. The descending order on the panel is the one real clue, and this site would rather explain that than pretend to a precision it does not have.
Banaba Leaf: Cautions Worth Knowing
Banaba is well tolerated in the doses studied, with no significant safety signal in the published work. The general caution about combining anything glucose-lowering with glucose medication applies here as it does everywhere else on this panel.
What Banaba Leaf Is Not
Banaba is sometimes confused with banana on a label read quickly. They are unrelated in every respect. It is also worth noticing that the phrase corosolic acid on a label means little without a standardisation percentage attached, because a leaf powder and a standardised extract can differ by an order of magnitude in what they actually contain.
Finding Banaba Leaf Outside A Capsule
Banaba leaf is drunk as tea across the Philippines and that remains the traditional route. On a supplement label the only figure worth hunting for is the corosolic acid standardisation percentage, because banaba leaf powder and standardised banaba extract differ by roughly an order of magnitude in what they actually contain, and a label saying only banaba leaf has not told you which one is in the bottle.
Questions
Banaba Leaf Questions
The ones that come up about this ingredient specifically.
What is corosolic acid?
A triterpene compound found in banaba leaf, and the part of the plant that carries the research on glucose transport.
How much banaba is needed?
Trials used 32 to 48 mg of standardised extract daily, which is small enough that a shared blend can plausibly deliver a useful amount.
Is banaba the same as banana?
No. They are entirely unrelated plants and the similarity is purely in the spelling.
Is the banaba evidence strong?
It is real but limited. Several small Japanese trials found modest effects, and large modern replication is missing.
Nearby
Related GlycoAid Ingredients
Start Your First Bottle Of GlycoAid
One capsule with a meal, a page here for every name on the label, and two months to send it back if it does nothing for you.
- One capsule a day, taken with food
- Fourteen ingredients, all named on the panel
- Free US delivery on the 3 and 6 bottle packs
- Sixty days to return it, opened bottles included