Tu Si Zi Ingredients & Drug Interactions
by Hawaii Pharm
What is this page for?
First and foremost: checking Tu Si Zi 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
Tu Si Zi is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for sexual health and impotence, energy and fatigue, kidney and reproductive support (in traditional medicine).We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of Tu Si Zi 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.
What’s inside
Full disclosure
Tu Si Zi contains one active ingredient: Cuscuta chinensis seed extract in dried form, commonly called dodder. The liquid is prepared with alcohol, water, and glycerin as inactive ingredients to deliver the extract.
Does it work?
Couldn't assess
The evidence supporting Tu Si Zi for depression or atopic dermatitis (eczema) is insufficient to rate. We don't hold enough reliable data to say whether it works for these uses or not.
If you're considering it for either condition, talk with your doctor or pharmacist about what the research shows and whether it's right for you.
How safe is it?
Well-documented data
Dodder is generally well tolerated when taken by mouth. High doses may cause intestinal colic (abdominal cramping) and diarrhea.
A combination product containing dodder seed extract has been reported to cause loss of appetite, mild indigestion, and feelings of stomach heaviness, though it's unclear whether dodder alone was responsible. Human safety data are limited, so use this product cautiously and under guidance from a healthcare professional.
Do not use during pregnancy — there isn't enough safety information. Do not use while breastfeeding — reliable safety data don't exist.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredient we could check. Still, run your exact medications through the search tool on this page before you start.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. No medication interactions are currently documented, and safety information is well characterized.
Tu Si Zi may be worth considering if you're interested in traditional herbal support, but the evidence for its effectiveness isn't established in our data. Because human safety information is limited, work with your doctor or pharmacist before starting, especially if you're pregnant, breastfeeding, or have a sensitive stomach.
Check your medications on this page 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 24, 2023.
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
General information
Key facts about Tu Si Zi, straight from the product label.
| Brand | Hawaii Pharm |
|---|---|
| Barcode (UPC) | 840253653352 |
| Net contents | 4 Fluid Ounce(s); 120 mL |
| Market status | On market |
| Date entered into DSLD | Oct 24, 2023 |
| DSLD ID | 301947 |
| Product type | Botanical |
| Supplement form | Liquid |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free |
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 Tu Si Zi by Hawaii Pharm, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Cuscuta chinensis Seed Extract, Dry | 983 mg | -- |
Other ingredients: Alcohol, Water, Glycerin
Tap any ingredient to jump to its full detail below.
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.
Brand IP Statement(s)
Hawaii Pharm Herbal Extract Highest quality since 2008
Suggested/Recommended/Usage/Directions
Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to some juice or water, up to 4 times a day.
Precautions
Warning: We recommend to seek expert medical advice before taking.
Do not use if you are allergic to any ingredients.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.
Keep out of the reach of children!
Storage
Store in a cool dry place.
Seals/Symbols
cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility.
Organic Alcohol Based USA Made in United States of America
FDA Disclaimer Statement
This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure or prevent any disease.
General Statements
Scan this QR-code to get 15% discount on your next purchase. Limited time deal.
Formula
Cuscuta chinensis
Organic Alcohol Based
Formulation
Only natural ingredients Purity is laboratory tested and verified
All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives
Not tested on animals
Organic Alcohol Based
Made in USA, Hawaii
FDA Statement of Identity
Herbal Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Tu Si Zi by Hawaii Pharm label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Tu Si Zi 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.
Cuscuta chinensis Seed Extract, Dry
No knowninteractions
Dodder (Cuscuta) is a parasitic plant whose seeds are used in traditional Chinese and Middle Eastern medicine, mainly for sexual, kidney, and energy-r...
Cuscuta chinensis Seed Extract, Dry monograph & interactionsOther (inactive) ingredients: Alcohol, Water, Glycerin. These complete the product’s ingredient list but are not active constituents.
Tu Si Zi by Hawaii Pharm Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in Tu Si Zi. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for Tu Si Zi, from the product label.
Hawaii Pharm
See all Hawaii Pharm products- Name
- Hawaii Pharm LLC
- Street Address
- 510 Sumner St. Ste. 613
- City
- Honolulu
- State
- HI
- ZipCode
- 96817
- Phone Number
- 888-854-2924
- Web Address
- www.hawaiipharm.com
Tu Si Zi by Hawaii Pharm: Common Questions
Does Tu Si Zi by Hawaii Pharm interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What is dodder, and what's it used for?
Can I take Tu Si Zi if I'm pregnant or breastfeeding?
What side effects might I notice?
Why does the label say human safety data are limited?
How much should I take?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if Tu Si Zi is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
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.
The Full Monographs Behind Tu Si Zi’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
Tu Si Zi'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 3 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.
Dodder 3 references
- Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
- 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
- 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
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