Herb & supplement monograph

Dodder Drug Interactions, Uses, Effectiveness, Safety & More

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Interaction report

Drugs that interact with Dodder

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

We don’t currently list any known drug interactions for Dodder. This doesn’t guarantee none exist — always confirm with your pharmacist before combining supplements with your medications.

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 Dodder combination — clinical detail, likelihood, evidence level, and citations.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.
Monograph

Dodder: Uses, Safety & Side Effects

The bottom line

Dodder (Cuscuta) is a parasitic plant whose seeds are used in traditional Chinese and Middle Eastern medicine, mainly for sexual, kidney, and energy-related complaints. Human evidence for any of these uses is very limited, and safety has not been well studied, so talk with your pharmacist or doctor before trying it.

Dodder
Scientific name
Cuscuta chinensis
Family
Convolvulaceae
Part used
Seeds (and sometimes the whole vine)
Common forms
Dried seeds, powders, capsules, tinctures, teas, and ingredients in traditional Chinese herbal formulas
People commonly use it for
  • Sexual health and impotence
  • Energy and fatigue
  • Kidney and reproductive support (in traditional medicine)
  • Eye health and vision
  • Liver support

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

Safety at a glance
OverallUse caution

Human safety data are limited, so use cautiously and under guidance from a healthcare professional.

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

Dodder is a group of parasitic plants in the genus Cuscuta. Instead of normal leaves and roots, it grows as thin, tangled, yellow-orange vines that wrap around other plants and draw water and nutrients from them. Common species used in traditional medicine include Cuscuta chinensis, Cuscuta epithymum, and Cuscuta campestris.

The part most often used as a supplement is the small, dried seeds. In Traditional Chinese Medicine the seeds are known as tu si zi, and in Middle Eastern and European herbal traditions the plant has been called aftimun or aftimoun.

People traditionally use dodder seeds to support sexual health, energy, the kidneys, and the eyes. It is sold as dried seeds, powders, capsules, tinctures, teas, and as part of multi-herb formulas.

How it works

Dodder seeds contain plant compounds such as flavonoids (including quercetin and kaempferol), lignans, and polysaccharides. In laboratory and animal studies, these compounds show antioxidant activity, meaning they may help neutralize unstable molecules called free radicals.

Some animal research suggests dodder extracts may affect reproductive hormones and protect certain tissues, which is the proposed basis for its traditional use in sexual and kidney health. Other lab work points to possible anti-inflammatory and liver-protective effects.

It is important to remember that these mechanisms come mostly from test tube and animal studies. They do not prove that the same effects happen in people who take dodder supplements.

Effectiveness

Does Dodder work?

Evidence overview · 2 uses evaluated
2 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 Dodder, current evidence isn’t strong enough to rate any specific use. The conditions it has been studied for are listed below.

Also studied for 2 conditions — evidence insufficient to rate
Insufficient Reliable Evidence To Rate Atopic dermatitis (eczema)
Rating & evidence shown verbatim from Natural Medicines

Preliminary clinical research in adults with moderate to severe atopic dermatitis shows that taking a combination of whey powder 30 grams daily and dodder seed extract 2 grams daily for 15 days improves symptoms, including pruritus, skin moisture, and skin elasticity, when compared with placebo. These improvements persisted a few weeks after the supplement was discontinued. It is not clear if these effects are due to dodder seed extract, whey powder, or the combination.

Sources Ref 99156
Insufficient Reliable Evidence To Rate Depression
Rating & evidence shown verbatim from Natural Medicines

A small clinical study shows that taking dodder aerial part powder 2 grams daily in combination with conventional antidepressant medications for 8 weeks improves overall symptoms of depression by 71% to 76% compared to 41% to 45% in patients using conventional medications alone.

Sources Ref 99157

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

The safety of dodder in humans has not been well studied. Because reliable data are limited, it should be used cautiously and ideally under the guidance of a knowledgeable healthcare professional.

People with hormone-sensitive conditions, kidney disease, or liver problems should be especially careful and check with a doctor first, since dodder's effects in these situations are not clear.

Pregnancy and breastfeeding: There is not enough information to consider dodder safe during pregnancy or breastfeeding, and some traditional sources caution against it. To be safe, it is best to avoid dodder if you are pregnant, trying to become pregnant, or nursing.

As with any herbal product, quality and purity can vary between brands, and products are not tightly regulated. Choose reputable manufacturers and let your pharmacist or doctor know about everything you take.

Side effects

Because dodder has not been studied carefully in people, its full side effect profile is unknown. Reported or possible effects include mild digestive upset, such as stomach discomfort or nausea.

As with any plant product, an allergic reaction is possible. Stop using it and seek medical care if you develop a rash, itching, swelling, or trouble breathing.

Stop the supplement and contact a healthcare provider if you notice any unexpected or bothersome symptoms while taking it.

Dodder: Reported Adverse Effects

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

Orally, dodder is generally well tolerated. High doses may cause intestinal colic and diarrhea.

  1. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  2. Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm
Reports by condition
Anorexia Gastrointestinal

Orally, a combination of whey and dodder seed extract has been reported to cause anorexia, mild dyspepsia, and feelings of stomach heaviness. It is not known if these symptoms are related to whey, dodder, or the combination. Intestinal colic and diarrhea have been reported as possible symptoms of dodder overdose. Traditional sources suggest a maximum daily dose of 8 grams of dodder aerial parts.

  1. Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm
  2. Firoozabadi A, Zarshenas MM, Salehi A, Jahanbin S, Mohagheghzadeh A. Effectiveness of Cuscuta planiflora Ten. and Nepeta menthoides Boiss. & Buhse in major depression: a triple-blind randomized controlled trial study. J Evid Based Complementary Altern Med
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 of dodder for any health condition. Traditional formulas vary widely, and the strength of commercial products differs from brand to brand.

If you choose to use a dodder product, follow the directions on the label and do not exceed the recommended amount. Because there is no proven safe and effective dose, it is wise to start low and check with a pharmacist or doctor before beginning.

Pregnancy & Breastfeeding

Dodder & Pregnancy

Insufficient reliable information

Insufficient reliable information available; avoid using.

Dodder & 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 3 references that drive our Dodder 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. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  2. Mehrbani M, Choopani R, Fekri A, Mehrabani M, Mosaddegh M, Mehrabani M. The efficacy of whey associated with dodder seed extract on moderate-to-severe atopic dermatitis in adults: A randomized, double-blind, placebo-controlled clinical trial. J Ethnopharm PubMed
  3. Firoozabadi A, Zarshenas MM, Salehi A, Jahanbin S, Mohagheghzadeh A. Effectiveness of Cuscuta planiflora Ten. and Nepeta menthoides Boiss. & Buhse in major depression: a triple-blind randomized controlled trial study. J Evid Based Complementary Altern Med
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 Dodder

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

Absent Period by Merry Women Clinic Tablet Or Pill 150 Tablet(s) View ingredients & interactions An Shen Bu Xin Pian SpiritCalm 200 mg by Guang Ci Tang Tablet Or Pill 200 Tablet(s) View ingredients & interactions An Shen Bu Xin Teapills by Plum Flower Tablet Or Pill 1.2 oz · 34 Gram(s) · 200 Pill(s) View ingredients & interactions An Shen Bu Xin Wan by Min Shan Tablet Or Pill 1.2 Ounce(s) · 33 Gram(s) · 200 Pill(s) View ingredients & interactions An Shen Bu Xin Wan by Min Shan Tablet Or Pill 1.2 Ounce(s) · 33 Gram(s) · 200 Pill(s) View ingredients & interactions An Shen Bu Xin Wan SpiritCalm 200 mg by Guang Ci Tang Other (e.g. Tea Bag) 200 Teapill(s) View ingredients & interactions Astra Essence by Health Concerns Tablet Or Pill 270 Tablet(s) View ingredients & interactions Astra Essence by Health Concerns Tablet Or Pill 90 Tablet(s) View ingredients & interactions Backbone by Health Concerns Tablet Or Pill 90 Tablet(s) View ingredients & interactions Biotae by Merry Clinic Tablet Or Pill 150 Tablet(s) View ingredients & interactions Bone Health by SuperSmart Capsule 60 Vegetarian Capsule(s) View ingredients & interactions Buddha's Yang by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Buddha's Yang by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions CogniBiotics by BiOptimizers Capsule 60 Cap(s) View ingredients & interactions CogniBiotics by BiOptimizers Capsule 60 Veggie Cap(s) View ingredients & interactions Dodder Seed 4:1 Extract Powder by TerraVita Premium Collection Powder 1 Ounce(s) View ingredients & interactions Dodder Seed 4:1 Extract Powder by TerraVita Premium Collection Powder 4 Ounce(s) View ingredients & interactions Dodder Seed 450 mg by TerraVita Premium Collection Capsule 100 Capsule(s) View ingredients & interactions Dodder Seed 450 mg 4:1 Extract by TerraVita Premium Collection Capsule 100 Capsule(s) View ingredients & interactions Dodder Seed Powder by TerraVita Premium Collection Powder 4 Ounce(s) View ingredients & interactions Dodder Seed Powder by TerraVita Premium Collection Powder 1 Ounce(s) View ingredients & interactions Dragon Jing by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Dragon Jing by Ron Teeguarden's Dragon Herbs Capsule 100 Vegetarian Capsule(s) View ingredients & interactions Erectin by Erectin by Leading Edge Health Softgel Capsule 60 Softgel(s) View ingredients & interactions
Pharmacist Counseling Corner

Dodder: Common Questions

What is Dodder used for, and does it work?
People use Dodder 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 Dodder interact with prescription medications?
We do not currently list any known drug interactions for Dodder. This does not guarantee that none exist, so always confirm with your pharmacist before combining it with your medications.
How are Dodder 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 Dodder 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 Dodder 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 Dodder used for?
Dodder seeds are used in traditional medicine mainly for sexual health and impotence, energy and fatigue, and kidney and reproductive support. These are traditional uses, and strong human evidence to confirm they work is lacking.
Is Dodder safe to take?
Dodder has not been well studied in people, so its safety is not fully known. Use it cautiously, choose reputable products, and check with your pharmacist or doctor first.
Can I take Dodder during pregnancy or while breastfeeding?
No. Because there is not enough safety information, it is best to avoid Dodder if you are pregnant, trying to conceive, or breastfeeding.
How is Dodder taken?
It is most often taken as dried seeds, powders, capsules, tinctures, or teas, and as part of traditional multi-herb formulas. There is no standardized dose, so follow the product label and ask a healthcare professional.

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

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