ByDr. Brennan Commerford, D.C.·Last reviewed: May 2026
All Ingredients
Specialty1 form

Banaba (Lagerstroemia speciosa L.) Leaf Extract

Preferred Form
Leaf Extract
Absorption Score
59/100Very Good
Evidence Level
Moderate Evidence

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Quick Answer

What is the best form of Banaba (Lagerstroemia speciosa L.) Leaf Extract?

Leaf Extract is our top-rated form of Banaba (Lagerstroemia speciosa L.) Leaf Extract — the form we recommend for its High Absorption bioavailability. We compared 1 forms in our formulary.

✓ Top Pick: Leaf Extract

1forms compared

All Forms of Banaba (Lagerstroemia speciosa L.) Leaf Extract

FormTierAbsorption ScoreDose RangeUnit
Leaf ExtractPreferred
59/100Very Good

Absorption by Form

Very Good
Leaf Extract
59/100

What is Banaba (Lagerstroemia speciosa L.) Leaf Extract?

Banaba (Lagerstroemia speciosa L.) Leaf Extract is a Specialty supplement available in 1 form.

Not all forms of Banaba (Lagerstroemia speciosa L.) Leaf Extract are equal. The form you choose determines how much Banaba (Lagerstroemia speciosa L.) Leaf Extract actually reaches your tissues, and the difference between the best and worst forms can be substantial. Banaba leaf extract standardized for corosolic acid content is the preferred form for supporting healthy blood glucose metabolism. Research suggests corosolic acid promotes insulin-like glucose uptake activity, and standardized extracts provide consistent potency compared to non-standardized leaf preparations.

Forms of Banaba (Lagerstroemia speciosa L.) Leaf Extract Compared

Banaba (Lagerstroemia speciosa L.) Leaf Extract (1% Corosolic Acid) Preferred (Preferred Form) has a bioavailability rating of good (S2). Typical dose range: not yet documented in our database.

What the Research Shows

Banaba leaf extract (Lagerstroemia speciosa) contains corosolic acid, a pentacyclic triterpene that supports glucose transporter (GLUT4) activation. Research demonstrates its ability to support healthy post-meal blood sugar responses. The extract provides a botanical approach to metabolic health support.

How to Choose the Right Form

Banaba (Lagerstroemia speciosa L.) Leaf Extract (1% Corosolic Acid) is classified as Preferred Form by FormulaForge — our top recommendation for Banaba (Lagerstroemia speciosa L.) Leaf Extract. It carries a bioavailability rating of good (S2), meaning more of the active compound reaches your tissues per dose unit compared to lower-rated forms.

When choosing a Banaba (Lagerstroemia speciosa L.) Leaf Extract supplement, look for the S1 (best absorption) bioavailability tier on the label. Preferred Forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

For Banaba (Lagerstroemia speciosa L.) Leaf Extract (1% Corosolic Acid), the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Dosing information not yet available for this ingredient.

Frequently Asked Questions

What is the best form of Banaba (Lagerstroemia speciosa L.) Leaf Extract?
Our top-ranked form of Banaba (Lagerstroemia speciosa L.) Leaf Extract is Leaf Extract. It has High Absorption bioavailability, meaning your body absorbs and uses it efficiently. When choosing Banaba (Lagerstroemia speciosa L.) Leaf Extract supplements, prioritize this form over generic alternatives.
How much Banaba (Lagerstroemia speciosa L.) Leaf Extract should I take?
Dosing for Banaba (Lagerstroemia speciosa L.) Leaf Extract varies based on the specific form, your health goals, and individual factors. Consult a qualified healthcare provider for personalized guidance.
What does Banaba (Lagerstroemia speciosa L.) Leaf Extract support?
Banaba (Lagerstroemia speciosa L.) Leaf Extract is commonly used to support Specialty. Research suggests it plays a role in several physiological pathways. As with all supplements, these statements have not been evaluated by the FDA and Banaba (Lagerstroemia speciosa L.) Leaf Extract is not intended to diagnose, treat, cure, or prevent any disease.
Is Banaba (Lagerstroemia speciosa L.) Leaf Extract safe?
Banaba (Lagerstroemia speciosa L.) Leaf Extract is generally well-tolerated when taken at research-supported doses. As with any supplement, individual responses vary. Consult a qualified healthcare provider before use, especially if you are pregnant, nursing, have a medical condition, or take medications. These statements have not been evaluated by the FDA.

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FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.