Short answer: A source of corosolic acid, traditionally used to support the body's normal handling of glucose from food — Banaba Leaf's specific, stated role in the formula.
What corosolic acid specifically refers to
A naturally occurring compound found in Banaba Leaf, connected to traditional use around carbohydrate handling — a specific, named active compound rather than a vague botanical claim.
Why this is framed as traditional use, not proven mechanism
These descriptions reflect traditional use and general research on the individual ingredients — not guaranteed outcomes, and not medical claims.
💡 Worth knowing: may lower blood sugar — a direct caution attached to Banaba Leaf specifically, worth checking against your own medication use.