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Dietary supplement

Zhu Ru Ingredients & Drug Interactions

by Hawaii Pharm

Zhu Ru label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Oct 7, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Zhu Ru 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

Zhu Ru is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for source of silica for hair, skin, and nails, bone and joint support, general nutrition (cooked shoots as food).Based on those ingredients, 5 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are wildcrafted Zhu Ru 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 Zhu Ru by Hawaii Pharm

Ask about any prescription or over-the-counter medication and we check it for interactions with Zhu Ru by Hawaii Pharm — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Zhu Ru by Hawaii Pharm

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 Oct 1, 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.

This product contains one active ingredient: a wildcrafted Zhu Ru (bamboo) extract in liquid form. The extract is suspended in vegetable palm glycerin and alcohol as inactive ingredients.

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 Bamboo product and its label doesn't state a use — see Bamboo'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 we hold shows insufficient reliable data to rate bamboo for dental cavity prevention. That doesn't mean it doesn't work—it means the studies on this supplement haven't yet established what it does or doesn't do for that purpose.

The evidence, ingredient by ingredient Bamboo

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.

Properly cooked bamboo shoots are eaten widely and are generally well tolerated, but the safety of concentrated supplements like this one hasn't been thoroughly studied. Raw or inadequately prepared bamboo can contain toxic compounds, though proper cooking or processing eliminates them.

Bamboo shoots naturally contain cyanide glycosides, but these are removed during boiling, fermentation, or superheated steam drying. There isn't enough safety data to recommend this extract during pregnancy.

During breastfeeding, safety is also unknown—the facts advise against concentrated bamboo extracts unless your doctor has cleared it for you. Rarely, topical exposure to bamboo shoots has caused contact dermatitis in some people.

Side effects, ingredient by ingredient Bamboo

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 — Bamboo.
  • The most serious interaction on file is rated Moderate.
  • For scale: 5 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.

If you take antithyroid drugs (medications for overactive thyroid), check with your doctor or pharmacist before starting this product—long-term bamboo use may increase the drug's effects and raise the risk of an underactive thyroid (hypothyroidism).

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.

This is a single-ingredient bamboo extract with limited evidence for dental health. If you take antithyroid medication, it's worth a conversation with your doctor or pharmacist before starting it, since long-term use might intensify thyroid effects.

Pregnant or breastfeeding people should check with their own provider before using it. The lack of robust safety data on the supplement form is another reason to run it by your healthcare team first.

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 Oct 23, 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 Zhu Ru, straight from the product label.

Brand Hawaii Pharm
Barcode (UPC) 0787699224626
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Oct 23, 2020
DSLD ID 237903
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 Zhu Ru by Hawaii Pharm, 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:
0.7 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
0787699224626
IngredientAmount% DV
wildcrafted Zhu Ru extract970 mg--

Other ingredients: Vegetable Palm Glycerin, Alcohol

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.
General Statements

Hawaii Pharm Herbal Extract Highest quality since 2008

Made with Aloha!

Formulation

Contains no GMO, gluten, artificial colors, heavy metals, preservatives, pesticides, fertilizers.

Super concentrated liquid herbal extract. Dry herb/menstruum ratio: 1:3.

Manufactured in an FDA registered facility.

Non GMO Gluten free

Made in USA, Hawaii

Suggested/Recommended/Usage/Directions

Directions for use: Shake well before using. Take about 20-30 drops (0.7-1 ml, one full squeeze of the dropper bulb) to 2-4 oz of juice or water up to 4 times per day.

Precautions

Warning: Keep out of the reach of children.

May have contraindications. We recommend to seek expert medical advice before taking.

Do not use if you are allergic to any ingredients.

Consult a physician before using during pregnancy, if nursing or taking any medications.

Do not use if seal is broken or missing.

Storage

Store in a cool dry place.

Formula

(Bambusa tuldoides)

FDA Statement of Identity

Herbal Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

Seals/Symbols

FDA Registered Facility Made in United States of America USA

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

See for yourself

Zhu Ru by Hawaii Pharm label

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

Zhu Ru 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 Zhu Ru by Hawaii Pharm

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

Serving size0.7 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Wildcrafted Zhu Ru extract

Interacts with
5 drugs
970 mg per serving

Bamboo is a giant grass whose shoots are eaten as food and whose leaves and silica-rich extracts are sold as supplements, often for hair, skin, nail,...

Wildcrafted Zhu Ru extract monograph & interactions

Other (inactive) ingredients: Vegetable Palm Glycerin, Alcohol. These complete the product’s ingredient list but are not active constituents.

Interaction report

Zhu Ru by Hawaii Pharm Drug Interactions

Want to check YOUR meds against Zhu Ru?

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
5Drugs
5 Moderate

Ingredients driving the most interactions

wildcrafted Zhu Ru extract 5

Individual Drug Interactions

The ingredients in Zhu Ru interact with 5 drugs. Click any drug to see the details.

1 of the 1 ingredient in Zhu Ru interact with drugs. Each result below shows which ingredient is responsible. wildcrafted Zhu Ru extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Zhu Ru 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.

wildcrafted Zhu Ru extract1 drug type · 5 drugs

Antithyroid Drugs

Theoretically, long-term bamboo use might increase the effects and adverse effects of antithyroid drugs, possibly leading to hypothyroidism.
Animal research suggests that long-term consumption of bamboo shoot can decrease thyroid peroxidase activity, as well as levels of thyroxine (T4) and triiodothyronine (T3). This effect has not yet been reported in humans.

Likelihood Possible Evidence D
wildcrafted Zhu Ru extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Zhu Ru, from the product label.

Hawaii Pharm

See all Hawaii Pharm products
Name
Hawaii Pharm LLC
City
Honolulu
State
HI
ZipCode
96815
Web Address
www.hawaiipharm.com
Pharmacist Counseling Corner

Zhu Ru by Hawaii Pharm: Common Questions

Does Zhu Ru by Hawaii Pharm interact with any medications?
Yes. Based on its ingredients, Zhu Ru has a known interaction with 5 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Zhu Ru 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.
Is bamboo extract safe to take while I'm pregnant?
There isn't enough safety data on concentrated bamboo supplements during pregnancy, so the facts advise against them while you're pregnant. Talk with your doctor before taking it.
Is it safe while breastfeeding?
Safety during breastfeeding is unknown. The facts recommend avoiding concentrated bamboo extracts unless your doctor has cleared it for you specifically.
Does this supplement actually work for cavities?
We don't have reliable evidence yet to say whether it works for dental cavities. The research on that hasn't been established in the data we hold.
What's in the liquid besides the bamboo extract?
The extract is mixed with vegetable palm glycerin and alcohol as inactive ingredients to keep it liquid.
Can bamboo be toxic?
Raw bamboo shoots can contain toxic compounds, but proper cooking, fermentation, or steaming eliminates them. This supplement is processed, but concentrate-form safety isn't well studied.

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

Not sure if Zhu Ru is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

Zhu Ru label
Go deeper

The Full Monographs Behind Zhu Ru’s Ingredients

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

Herb & supplement monograph

Bamboo

Interacts with 5 drugs

Bamboo is a giant grass whose shoots are eaten as food and whose leaves and silica-rich extracts are sold as supplements, often for hair, skin, nail, and bone support. Solid human evidence f...

Read the full Bamboo monograph →
Sources

Sources & How We Checked

Zhu Ru'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 4 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.

Bamboo 4 references
  1. Chandra AK, Ghosh D, Mukhopadhyay S, et al. Effect of bamboo shoot, Bambusa arundinacea (Retz.) Willd. on thyroid status under conditions of varying iodine intake in rats. Indian J Exp Biol 2004;42(8):781-786.
  2. Kitajima T. Contact allergy caused by bamboo shoots. Contact Dermatitis 1986;15(2):100-102. PubMed
  3. Sang-A-Gad P, Guharat S, Wananukul W. A mass cyanide poisoning from pickling bamboo shoots. Clin Toxicol (Phila). 2011 Nov;49(9):834-9. PubMed
  4. Satya S, Bal LM, Singhal P, Naik SN. Bamboo shoot processing: food quality and safety aspect (a review). Trends in Food Sci. Technol. 2010;21(4):181-9. DOI

See these in context on the Bamboo 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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