Herb & supplement monograph

Bamboo Drug Interactions, Uses, Effectiveness, Safety & More

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Reviewed by licensed pharmacists Sourced from Natural Medicines

Bamboo Drug Interactions: The Bottom Line

From the HelloPharmacist Editorial Team · Updated July 2026

Based on the available evidence, the overall risk of a clinically significant Bamboo drug interaction appears low for most people. Only a small handful of medications are flagged, none of the interactions are rated major, and the concern rests on animal research rather than human studies.

Interactions deserving the most attention

The one interaction worth knowing about involves antithyroid drugs, the medicines used to calm an overactive thyroid. Animal studies suggest that eating bamboo shoots long term may lower thyroid hormone levels, so combining bamboo with these drugs could, in theory, push thyroid function too low. This effect has not been reported in people, but anyone whose thyroid treatment is closely monitored may want to mention regular bamboo use to their prescriber. If you do not take a thyroid medication, nothing in the profile stands out as a concern.

What the rest of the list means

Bamboo's interaction list is short, and even the flagged combinations are theoretical at this point. The prediction comes from how bamboo affected thyroid hormone activity in animals, and no clinically meaningful change has been shown in humans so far. That means the moderate rating reflects caution, not proven harm.

Check your medications against Bamboo

Based on HelloPharmacist’s Bamboo interaction data and reviewed under our editorial standards.

Interaction report

Drugs that interact with Bamboo

5 medications have a known interaction with Bamboo, graded by severity. Select any drug for the full evidence-based detail.

2,830 drugs
CarbimazoleNeo-Mercazole› Methenamine MandelateMandelamine, Methimazole› MethimazoleTapazole› Potassium Iodide (prescription Drug)Thyro-Block› Propylthiouracil, PtuPropylthiouracil› "phentolamineOraVerse, Rogitine, Ryzumvi› 6-mercaptopurinePurinethol› Ado-trastuzumab EmtansineKadcyla› AbacavirZiagen› Abacavir Sulfate, Dolutegravir, LamivudineTriumeq› Abacavir, LamivudineEpzicom› AbaloparatideTymlos› AbametapirXeglyze› AbarelixPlenaxis› AbciximabReoPro› AbemaciclibVerzenio› Abiraterone› Abiraterone AcetateYonsa, Zytiga› AbrocitinibCibinqo› AcalabrutinibCalquence› AcamprosateCampral› AcarboseGlucobay, Prandase, Precose› AcebutololRhotral, Sectral› AcenocoumarolSintrom› AcepromazineAtravet› AcetaminophenChildren's Tylenol, Children's Tylenol Meltaways, Tylenol, Tylenol Ex Strength› Acetaminophen, AspirinGemnisyn› Acetaminophen, Aspirin, CaffeineExcedrin, Excedrin Extra Strength, Excedrin Migraine› Acetaminophen, Brompheniramine, PhenylpropanolamineDimetapp Cold and Flu› Acetaminophen, ButalbitalAxocet, Bancap, Bucet, Butex Forte, Esgic CF, Orbivan CF +5 more›
Read The List Like a Pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each drug listed above links to the full report for that exact Bamboo combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
The big picture

The kinds of drugs Bamboo affects

Every type of medication (drug category) Bamboo is known to interact with. Open any category for the detail — or search your exact drug in the checker above.

All 1 drug category Bamboo interacts with
Antithyroid 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
Monograph

Bamboo: Uses, Safety & Side Effects

The bottom line

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 for these benefits is limited, and raw shoots must be properly cooked because they contain natural compounds that can release cyanide. Talk to a pharmacist or doctor before using bamboo supplements, especially if you have thyroid problems or are pregnant.

Bamboo
Family
Poaceae
Part used
Shoots, leaves, and leaf extract (and silica-rich extracts)
Common forms
Food (cooked shoots), capsules, tea, leaf extract, powder
People commonly use it for
  • Source of silica for hair, skin, and nails
  • Bone and joint support
  • General nutrition (cooked shoots as food)
  • Antioxidant support
  • Traditional digestive remedy

Popular and traditional uses — not proof it works. See “Uses & effectiveness” below for the evidence.

Safety at a glance
OverallUse caution

Properly cooked shoots are widely eaten, but supplement safety is not well studied and raw shoots can be toxic.

PregnancyInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full pregnancy detail
BreastfeedingInsufficient reliable information

Insufficient reliable information available; avoid using.

Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center). Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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Overview

Bamboo is a fast-growing, woody grass that includes more than a thousand species, most of them native to Asia. It grows across warm and tropical regions and has long been used for food, building material, and traditional medicine.

The young shoots are harvested and cooked as a common vegetable in many Asian cuisines. They provide protein, carbohydrates, fiber, and some vitamins and minerals. Beyond food, the leaves and certain extracts are sold as dietary supplements. Bamboo is also a natural source of silica, which is why it is often marketed for hair, skin, nail, and bone health.

How it works

Bamboo contains silica (silicon dioxide), which the body uses in small amounts as part of connective tissue, including the matrix that supports bone, skin, and cartilage. This is the main reason it is promoted for hair, nails, and bones.

Bamboo leaves also contain plant compounds such as flavonoids and other antioxidants that can neutralize free radicals in laboratory tests. Some studies suggest these compounds may affect cancer cells in the lab.

Laboratory and animal research has also shown that certain bamboo extracts can block thyroid peroxidase, an enzyme the thyroid needs to make hormones. In theory this could lower thyroid function, but the importance of this in people is not clear. Most of these mechanisms come from test-tube and animal work, not human studies.

Effectiveness

Does Bamboo work?

Evidence overview · 1 use evaluated
1 Insufficient evidence
How to read these evidence grades

Natural Medicines’ 7-point scale. We show each rating’s label word-for-word.

1EffectiveStrong, consistent evidence it works.
2Likely EffectiveGood evidence, though not yet conclusive.
3Possibly EffectiveSome evidence suggests a benefit.
4Possibly IneffectiveSome evidence it may not help.
5Likely IneffectiveFairly strong evidence it doesn’t help.
6IneffectiveStrong evidence it doesn’t work.
7Insufficient Reliable Evidence to RateToo little research to say either way.

For Bamboo, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 1 condition — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Dental caries
Rating & evidence shown verbatim from Natural Medicines

It is unclear if brushing the teeth with toothpaste containing bamboo salt can prevent dental carries.

Source & disclaimer. Effectiveness ratings and evidence summaries are provided by Natural Medicines (Therapeutic Research Center) and shown as licensed. Where Natural Medicines hasn’t rated a use, HelloPharmacist’s pharmacists may add their own reviewed rating and evidence (each such entry is labeled). This is educational information, not medical advice — talk with your pharmacist or doctor before starting, stopping, or changing a supplement.

Safety & precautions

Bamboo shoots that are properly cooked are a normal part of many diets and are generally considered safe as food. Raw or poorly prepared shoots are a different story.

Cyanide risk: Raw bamboo shoots contain natural compounds called cyanogenic glycosides that can release hydrogen cyanide, which is toxic. Thorough boiling (and sometimes fermentation) removes these compounds and makes the shoots safe to eat. Never eat raw bamboo shoots.

Thyroid concerns: Because some bamboo extracts have shown thyroid-blocking effects in lab studies, people with thyroid conditions should be cautious and check with their doctor before using bamboo supplements.

Pregnancy and breastfeeding: There is not enough reliable safety information on bamboo supplements during pregnancy or breastfeeding. To be safe, avoid concentrated bamboo extracts during pregnancy, and use caution while breastfeeding. Properly cooked bamboo shoots as an occasional food are a separate matter, but discuss this with your provider.

As with any supplement, product quality varies, and labels may not match what is actually in the bottle.

Side effects

When used as a properly cooked food, bamboo shoots are usually well tolerated. Some people may have mild digestive upset, such as gas or bloating, partly because of the fiber.

Concentrated supplements have not been well studied, so their full side-effect profile is unknown. Possible concerns include digestive complaints and, based on lab research, theoretical effects on thyroid function with long-term or high-dose use.

The most serious risk comes from eating raw or improperly prepared shoots, which can cause cyanide poisoning. Symptoms of cyanide exposure can include headache, dizziness, nausea, and in severe cases trouble breathing — this is a medical emergency.

Bamboo: Reported Adverse Effects

Documented safety reports on Bamboo from the evidence-graded Natural Medicines (TRC Healthcare) database, shown word-for-word from the licensed record.

Reports by condition
Cardiac arrest Other

Bamboo shoots are a source of cyanide glycosides. However, the hydrogen cyanide produced by the plant is eliminated during boiling, fermentation, or superheated steam drying of the shoots. During the rescue of a male who jumped into a well which was used for bamboo shoot pickling, cyanide poisoning occurred in 8 individuals. The poisoning caused high anion gap metabolic acidosis in all patients and resulted in two deaths due to cardiac arrest. Some patients also had pulmonary edema and/or infiltration.

  1. 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.
  2. 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.
Dermatitis Dermatologic

Topically, bamboo shoots have been reported to cause contact dermatitis in a 44-year-old female.

  1. Kitajima T. Contact allergy caused by bamboo shoots. Contact Dermatitis 1986;15(2):100-102.
DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

Adverse-effects data: Natural Medicines, Therapeutic Research Center

Dosing

There is no well-established standardized dose for bamboo supplements. Products vary widely in their form (leaf extract, silica extract, powder) and in how much active material they contain.

If you choose to use a bamboo supplement, follow the directions on the product label and do not exceed the recommended amount. For food use, make sure shoots are fully boiled before eating.

Because the science is limited and quality varies between brands, it is best to check with a pharmacist or doctor before starting bamboo, especially if you take other medicines or have a health condition.

Pregnancy & Breastfeeding

Bamboo & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using.

Bamboo & Breastfeeding

Insufficient reliable information

Insufficient reliable information available; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.

© 2026 Therapeutic Research Center

Pregnancy & lactation ratings: Natural Medicines, Therapeutic Research Center

References & further reading

The 4 references that drive our Bamboo monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  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
Keep reading

This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.

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

Product directory

Supplement products with Bamboo

867 products in our database contain Bamboo. Open any to see its full ingredient list and every drug interaction we check.

Ant Essence by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Ant Power by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Ant Power by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Anti-Gray 9000 by Justified Laboratories Capsule 60 Capsule(s) View ingredients & interactions Ashwagandha & Mucuna by Omica Organics Capsule 90 Capsule(s) View ingredients & interactions Ashwagandha for Stress by NatureWise Capsule 60 Vegan Capsule(s) View ingredients & interactions Astragalus 450 mg by Ron Teeguarden's Dragon Herbs Capsule 100 Capsule(s) View ingredients & interactions Astragalus Advanced 500 mg by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Astragalus Advanced 500 mg by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions B-Complex with Vitamin C by Finest Nutrition Free & Pure Tablet Or Pill 100 Tablet(s) View ingredients & interactions B-Natural Hair Vitamins by Barry Fletcher Capsule 120 Capsule(s) View ingredients & interactions Baicalin 500 mg by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Baicalin 500 mg by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Bamboo by Hawaii Pharm Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo by Herbal Terra Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo by Herbal Terra Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo by Hawaii Pharm Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo by Hawaii Pharm Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo 450 mg by TerraVita Premium Collection Capsule 100 Capsule(s) View ingredients & interactions Bamboo 600 mg by Solaray Capsule 60 VegCap(s) View ingredients & interactions Bamboo 600 mg by Solaray Capsule 60 VegCap(s) View ingredients & interactions Bamboo Alcohol Free by Herbal Terra Liquid 2 Fluid Ounce(s) · 60 mL View ingredients & interactions Bamboo Alcohol Free by Hawaii Pharm Liquid 4 Fluid Ounce(s) · 120 mL View ingredients & interactions Bamboo Extract by Herbadiet Capsule 60 V-Cap(s) View ingredients & interactions
Pharmacist Counseling Corner

Bamboo: Common Questions

What is Bamboo used for, and does it work?
People use Bamboo for a range of reasons, but according to the Natural Medicines database the current clinical evidence is insufficient to confirm it works for the specific conditions it has been studied for. See the graded list on this page, and talk to your pharmacist or doctor before relying on it for any condition.
Does Bamboo interact with prescription medications?
Yes. We list 5 medications with a known interaction with Bamboo. Use the checker above to see how Bamboo interacts with a specific drug.
How are Bamboo interactions rated?
Each interaction is graded major, moderate, or minor based on how clinically significant it is and the strength of the evidence behind it. Major interactions are the most serious and are best avoided, or used only under close professional supervision.
Is it safe to take Bamboo with my medications?
It depends on the specific medication. Some combinations are fine, while others call for monitoring, timing changes, or should be avoided. Check your exact drug above and confirm with your pharmacist or doctor before starting, stopping, or changing anything.
Where does this Bamboo interaction information come from?
Our interaction data is built on the Natural Medicines database — an evidence-graded reference for vitamins, herbs, and supplements — and is reviewed by licensed HelloPharmacist pharmacists, who may add clinical context.
What is Bamboo used for as a supplement?
It is most often used as a silica source for hair, skin, nail, and bone support, and the leaf extract is studied for antioxidant effects. Strong human evidence for these benefits is limited.
Are Bamboo shoots safe to eat?
Yes, when they are properly cooked. Raw shoots contain natural compounds that can release cyanide, so they must be thoroughly boiled before eating.
Can I take Bamboo supplements while pregnant or breastfeeding?
There is not enough safety data on concentrated Bamboo supplements, so it is best to avoid them during pregnancy and use caution while breastfeeding unless your doctor approves.
Does Bamboo affect the thyroid?
Laboratory and animal studies suggest some Bamboo extracts may block an enzyme the thyroid needs, but the effect in humans is unclear. If you have a thyroid condition, talk to your doctor first.

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

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