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Dietary supplement

Banaba Ingredients & Drug Interactions

by Herbal Terra

Banaba label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Banaba against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Banaba is a dietary supplement by Herbal Terra with 1 active ingredient. Its ingredients are commonly taken for blood sugar support, type 2 diabetes, weight management.Based on those ingredients, 299 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Banaba (Lagerstroemia speciosa) dried leaf liquid extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Banaba by Herbal Terra

Ask about any prescription or over-the-counter medication and we check it for interactions with Banaba by Herbal Terra — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Banaba by Herbal Terra

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 16, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

Banaba by Herbal Terra is a liquid extract made from the dried leaf of Lagerstroemia speciosa, a plant traditionally used in herbal medicine. This product contains 1 active ingredient — that banaba leaf extract — suspended in a liquid base (menstruum), which is an inactive ingredient that helps deliver the extract.

Does it work?

Couldn't assess
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not assessable

This is a single-ingredient Banaba product and its label doesn't state a use — see Banaba's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for banaba isn't solid enough to rate it as effective. Our data shows insufficient reliable evidence for its use in diabetes, prediabetes, and metabolic syndrome — the conditions it's typically promoted for.

That doesn't mean it doesn't work; it means the human studies we have aren't robust enough yet to say one way or the other.

The evidence, ingredient by ingredient Banaba

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Banaba extract appears to be generally well tolerated in short-term studies, but how it performs over months or years isn't well established, so we can't make a full safety claim for long-term use. In one product containing both banaba and another herb, some people reported dizziness, headache, tremor, weakness, stomach upset, sweating, heart palpitations, and shakiness — though it's unclear whether banaba alone caused these or if the other ingredient was responsible.

The safety data advises against use during pregnancy and breastfeeding, so if you're pregnant or nursing, skip this product and talk with your doctor or pharmacist about alternatives.

Side effects, ingredient by ingredient Banaba

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Banaba.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 299 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check with your doctor or pharmacist before taking this if you're on diabetes medications, blood pressure medications, or any drugs that depend on a specific intestinal/liver transport system (OATP substrates) for absorption. All three are moderate-severity interaction risks.

No interactions are documented in our data for any other medication types, but your pharmacist can confirm your specific drugs.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Banaba might interest you if you're looking into herbal options for blood sugar or metabolic health, but the evidence of effectiveness isn't there yet. Because it can lower blood sugar and blood pressure, it's not for you if you're already on medications for either — you'll need to check with your own doctor or pharmacist before combining them.

Avoid it if you're pregnant or breastfeeding. Run your medication list through the tool on this page before starting.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Nov 21, 2020.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Banaba, straight from the product label.

Brand Herbal Terra
Barcode (UPC) 7439500405474
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Nov 21, 2020
DSLD ID 233913
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Sugar Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Banaba by Herbal Terra, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
7439500405474
IngredientAmount% DV
Banaba (Lagerstroemia speciosa) dried leaf liquid extract970 mg--

Other ingredients: Menstruum

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formulation

Origin of plant material: India.

Manufactured in the USA in an FDA registered facility

Sugar free

Dried herb/menstruum ratio: 1:3 Expertly extracted Laboratory tested 330 mg/1 mL Premium product Super concentrated liquid herbal extract

Non GMO

No artificial ingredients, GMO, gluten, color additives, fillers, preservatives or binders. Natural Gluten Free

Suggested/Recommended/Usage/Directions

Direction Shake well before use. Adults take up to 30 drops (1 mL, one full squeeze of the dropper bulb) in 3-4 fl. oz of juice or water up to 4 times a day. We recommend to seek expert medical advice before taking this or any other herbal supplements.

FDA Disclaimer Statement

Notice This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Caution May have contraindications.

Do not use if you are allergic to any ingredients.

Consult a physician before using during pregnancy, if nursing, or if you are on any medications.

Keep out of the reach of children.

Storage

Store in a cool, dry, dark place.

Formula

Lagerstroemia speciosa

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Made in USA Made in an FDA registered facility Natural Gluten Free

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Banaba by Herbal Terra label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Banaba label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Banaba by Herbal Terra

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Banaba (Lagerstroemia speciosa) dried leaf liquid extract

Interacts with
299 drugs
970 mg per serving

Banaba is a leaf extract most often used to help support healthy blood sugar, and small early studies suggest its active compound corosolic acid may m...

Banaba (Lagerstroemia speciosa) dried leaf liquid extract monograph & interactions

Other (inactive) ingredients: Menstruum. These complete the product’s ingredient list but are not active constituents.

Interaction report

Banaba by Herbal Terra Drug Interactions

Want to check YOUR meds against Banaba?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
299Drugs
299 Moderate

Ingredients driving the most interactions

Banaba (Lagerstroemia speciosa) dried leaf liquid extract 299

Individual Drug Interactions

The ingredients in Banaba interact with 299 drugs. Click any drug to see the details.

1 of the 1 ingredient in Banaba interact with drugs. Each result below shows which ingredient is responsible. Banaba (Lagerstroemia speciosa) dried leaf liquid extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Banaba with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Banaba (Lagerstroemia speciosa) dried leaf liquid extract3 drug types · 299 drugs

Antidiabetes Drugs

Theoretically, concomitant use of banaba and hypoglycemic drugs might have additive effects.
Human and animal research suggests that banaba can lower blood glucose levels.

Likelihood Probable Evidence B
Antihypertensive Drugs

Theoretically, concomitant use of banaba and antihypertensive drugs might cause additive effects.
Human and animal research suggests that banaba can lower blood pressure.

Likelihood Probable Evidence B
Organic Anion-Transporting Polypeptide Substrates (Oatp)

Theoretically, concomitant use of banaba with substrates of OATP might reduce the bioavailability of the OATP substrate.
In vitro research shows that banaba inhibits OATP, particularly OATP2B1. OATPs are expressed in the small intestine and liver and are responsible for the absorption of drugs and other compounds.

Likelihood Possible Evidence D
Banaba (Lagerstroemia speciosa) dried leaf liquid extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Banaba, from the product label.

Herbal Terra

See all Herbal Terra products
Name
Herbal Terra
Pharmacist Counseling Corner

Banaba by Herbal Terra: Common Questions

Does Banaba by Herbal Terra interact with any medications?
Yes. Based on its ingredients, Banaba has a known interaction with 299 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Banaba contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Will banaba help me control my blood sugar?
We don't have enough solid evidence to say whether it works for that. The studies so far aren't robust enough to rate it as effective for diabetes or prediabetes, though animal and some human research suggests it might lower blood glucose. Talk to your doctor about whether it's worth trying alongside your regular care.
Can I take banaba if I'm already on diabetes medication?
You'll need to check with your own doctor or pharmacist first. Banaba can lower blood glucose levels, and so do diabetes drugs — together they might cause your sugar to drop too much. Your healthcare provider can tell you if it's safe for your specific situation and medications.
Is banaba safe to use long-term?
It appears well tolerated in short studies, but we don't have good data on how safe it is over months or years. If you're thinking of taking it for a while, talk with your pharmacist about monitoring and any concerns.
What are the side effects?
Banaba extract appears to be well tolerated overall. In one product that combined it with another herb, some people reported dizziness, headache, tremor, weakness, stomach upset, sweating, heart palpitations, and shakiness — though it's not clear banaba alone was the cause.
Can I take banaba while pregnant or breastfeeding?
No — the safety data advises against it during pregnancy and while nursing. If you're pregnant or breastfeeding, talk with your doctor or pharmacist about other options that may be safer for you and your baby.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Banaba label
Go deeper

The Full Monographs Behind Banaba’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Banaba

Interacts with 299 drugs

Banaba is a leaf extract most often used to help support healthy blood sugar, and small early studies suggest its active compound corosolic acid may modestly lower glucose. The overall evide...

Read the full Banaba monograph →
Sources

Sources & How We Checked

Banaba's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 7 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Banaba 7 references
  1. Judy WV, Hari SP, Stogsdill WW, et al. Antidiabetic activity of a standardized extract (Glucosol) from Lagerstroemia speciosa leaves in Type II diabetics. A dose-dependence study. J Ethnopharmacol 2003;87:115-7. PubMed
  2. Kakuda T, Sakane I, Takihara T, et al. Hypoglycemic effect of extracts from Lagerstroemia speciosa L. leaves in genetically diabetic KK-AY mice. Biosci Biotechnol Biochem 1996;60:204-8.
  3. Fukushima, M., Matsuyama, F., Ueda, N., Egawa, K., Takemoto, J., Kajimoto, Y., Yonaha, N., Miura, T., Kaneko, T., Nishi, Y., Mitsui, R., Fujita, Y., Yamada, Y., and Seino, Y. Effect of corosolic acid on postchallenge plasma glucose levels. Diabetes Res C PubMed
  4. Yamaguchi, Y., Yamada, K., Yoshikawa, N., Nakamura, K., Haginaka, J., and Kunitomo, M. Corosolic acid prevents oxidative stress, inflammation and hypertension in SHR/NDmcr-cp rats, a model of metabolic syndrome. Life Sci 11-25-2006;79(26):2474-2479. PubMed
  5. Fuchikami H, Satoh H, Tsujimoto M, Ohdo S, Ohtani H, Sawada Y. Effects of herbal extracts on the function of human organic anion-transporting polypeptide OATP-B. Drug Metab Dispos 2006;34:577-82. PubMed
  6. Manaf A, Tjandrawinata RR, Malinda D. Insulin sensitizer in prediabetes: a clinical study with DLBS3233, a combined bioactive fraction of Cinnamomum burmanii and Lagerstroemia speciosa. Drug Des Devel Ther. 2016;10:1279-89. PubMed
  7. Tjokroprawiro A, Murtiwi S, Tjandrawinata RR. DLBS3233, a combined bioactive fraction of Cinnamomum burmanii and Lagerstroemia speciosa, in type-2 diabetes mellitus patients inadequately controlled by metformin and other oral antidiabetic agents. J Comple

See these in context on the Banaba monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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