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Dietary supplement

Bai Shao Yao Ingredients & Drug Interactions

by Hawaii Pharm

Bai Shao Yao label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Bai Shao Yao 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

Bai Shao Yao is a dietary supplement by Hawaii Pharm with 1 active ingredient. Its ingredients are commonly taken for menstrual cramps and irregular periods, muscle cramps and spasms, anxiety and stress.Based on those ingredients, 811 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Paeonia lactiflora Root Extract, Dry. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Bai Shao Yao by Hawaii Pharm

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

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HelloPharmacist Scorecard of Bai Shao Yao 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 Jul 12, 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: peony root extract (Paeonia lactiflora). Peony is a flowering plant whose root has been used in traditional medicine for centuries.

The liquid form also contains alcohol, water, and glycerin as inactive ingredients to preserve and 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 Peony product and its label doesn't state a use — see Peony'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.

We don't have strong evidence on file for peony's effectiveness. The data rates its use for aging skin, anal fissures, atherosclerosis, chronic fatigue syndrome, cirrhosis, and migraine headache as having insufficient reliable evidence to judge whether it works for these uses.

If you're considering peony for a specific condition, talk with your pharmacist or doctor about what the current science actually shows.

The evidence, ingredient by ingredient Peony

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.

Peony is generally well tolerated for short-term use, but high-quality safety data are limited. The most common side effects when taken by mouth are stomach upset — abdominal bloating, loss of appetite, diarrhea, nausea, and general gastrointestinal discomfort.

In one study, diarrhea appeared in 5% of people taking a peony product at a higher dose over 24 weeks. There's also one case report of bleeding (gum bleeding, nosebleeds, and bruising) in someone on warfarin who switched to a Chinese herbal product containing peony; this underscores the bleeding risk with blood thinners.

Do not use this product during pregnancy — the safety data advises against it. There isn't enough reliable information to know whether it's safe while breastfeeding, so talk with your doctor or pharmacist before using it if you're nursing.

Side effects, ingredient by ingredient Peony

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 — Peony.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs.
  • For scale: 812 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 your medications against this product if you take blood thinners or antiplatelet drugs (like warfarin or aspirin), birth control pills or hormone replacement therapy, seizure medications like phenytoin, antipsychotics like clozapine, or any drugs metabolized by CYP1A2 or CYP3A4 enzymes — peony may slow how your liver clears these and raise their levels in your blood.

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.

Bai Shao Yao is best considered by someone interested in traditional herbal use, but only after checking it against their exact medications — especially blood thinners, birth control, hormone therapy, and drugs for seizures or mental health. Avoid it in pregnancy and while breastfeeding.

Run your medications through our checker before starting, and let your pharmacist know you're taking it.

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

At a glance

General information

Key facts about Bai Shao Yao, straight from the product label.

Brand Hawaii Pharm
Barcode (UPC) 840253604217
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Oct 24, 2023
DSLD ID 301244
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 Bai Shao Yao 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
840253604217
IngredientAmount% DV
Paeonia lactiflora Root Extract, Dry983 mg--

Other ingredients: Alcohol, Water, Glycerin

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.
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

Paeonia lactiflora

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.

See for yourself

Bai Shao Yao by Hawaii Pharm label

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

Bai Shao Yao 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 Bai Shao Yao 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.

Paeonia lactiflora Root Extract, Dry

Interacts with
811 drugs
983 mg per serving

Peony root is a traditional Chinese medicine herb often used for menstrual problems, cramps, and inflammation, frequently as part of combination formu...

Paeonia lactiflora Root Extract, Dry monograph & interactions

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

Interaction report

Bai Shao Yao by Hawaii Pharm Drug Interactions

Want to check YOUR meds against Bai Shao Yao?

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
811Drugs
811 Moderate

Ingredients driving the most interactions

Paeonia lactiflora Root Extract, Dry 811

Individual Drug Interactions

The ingredients in Bai Shao Yao interact with 811 drugs. Click any drug to see the details.

1 of the 1 ingredient in Bai Shao Yao interact with drugs. Each result below shows which ingredient is responsible. Paeonia lactiflora Root Extract, Dry

Each ingredient & the kinds of drugs it affects

For each ingredient in Bai Shao Yao 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.

Paeonia lactiflora Root Extract, Dry7 drug types · 811 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, combining peony with anticoagulant or antiplatelet drugs might increase the risk of bleeding.
In vitro research suggests that peony might have antiplatelet, anticoagulant, and antithrombotic effects.

Likelihood Possible Evidence D
Clozapine (Clozaril)

Theoretically, peony might increase the levels and clinical effects of clozapine.
In vitro research shows that peony suppresses the metabolism of clozapine via weak-to-moderate inhibitory effects on cytochromes P450 (CYP) 1A2 and CYP3A4. This effect has not been reported in humans.

Likelihood Possible Evidence D
Contraceptive Drugs

Theoretically, peony might interfere with contraceptive drugs due to competition for estrogen receptors.
In vitro and animal research shows that peony extract has estrogenic activity. Concomitant use might also increase the risk for estrogen-related adverse effects.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, use of peony may increase the levels and clinical effects of drugs metabolized by CYP1A2.
In vitro research shows that peony suppresses the metabolism of clozapine via weak-to-moderate inhibitory effects on CYP1A2 and CYP3A4. This effect has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, use of peony may increase the levels and clinical effects of drugs metabolized by CYP3A4.
In vitro research shows that peony suppresses the metabolism of clozapine via weak-to-moderate inhibitory effects on CYP1A2 and CYP3A4. This effect has not been reported in humans.

Likelihood Possible Evidence D
Estrogens

Theoretically, concomitant use of large amounts of peony might interfere with hormone replacement therapy and/or increase the risk for estrogen-related adverse effects.
In vitro and animal research shows that peony extract has estrogenic activity. Theoretically, peony might compete for estrogen receptors and/or cause additive estrogenic effects.

Likelihood Possible Evidence D
Phenytoin (Dilantin)

Theoretically, peony might reduce the levels and clinical effects of phenytoin.
Animal research shows that taking peony root reduces levels of phenytoin. Some researchers suggest that peony root might affect cytochrome P450 (CYP) 2C9, which metabolizes phenytoin. However, preliminary research in humans shows that peony root does not alter levels of losartan (Cozaar), which is also metabolized by CYP2C9.

Likelihood Probable Evidence D
Paeonia lactiflora Root Extract, Dry full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Bai Shao Yao, 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
Pharmacist Counseling Corner

Bai Shao Yao by Hawaii Pharm: Common Questions

Does Bai Shao Yao by Hawaii Pharm interact with any medications?
Yes. Based on its ingredients, Bai Shao Yao has a known interaction with 811 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Bai Shao Yao 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.
Can I take this while I'm on blood thinners?
Lab research suggests peony may have blood-thinning effects of its own. Combining it with warfarin, aspirin, or other blood thinners could increase your bleeding risk. There's even a case report of someone on warfarin who had serious bleeding complications after taking a Chinese herbal product containing peony. Do not add this without talking to your pharmacist or doctor first.
Will this interfere with my birth control?
Possibly. Peony has estrogenic activity — it mimics estrogen in your body — and theoretically might compete with birth control pills for estrogen receptors. This could reduce how well your contraceptive works or raise the risk of estrogen-related side effects. Check with your pharmacist before using peony alongside hormonal contraception.
What are the most common side effects?
The most common side effects are gastrointestinal: stomach bloating, loss of appetite, diarrhea, nausea, and general digestive discomfort. Diarrhea was reported in about 5% of people in one study. If applied to skin, it may cause dermatitis (skin irritation) in some people.
Is this safe during pregnancy?
No. The safety data advise against using peony during pregnancy. If you're pregnant or planning to become pregnant, skip this product and talk with your doctor about safer options.
Can I take this while breastfeeding?
There isn't enough reliable information to know whether peony is safe while you're nursing. Talk with your doctor or pharmacist about whether it's right for you during lactation.
How long can I safely take this?
Peony is generally well tolerated for short-term use, but high-quality safety data for long-term use are limited. If you're thinking of taking it beyond the short term, ask your pharmacist how long is reasonable and safe for your situation.

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.

Bai Shao Yao label
Go deeper

The Full Monographs Behind Bai Shao Yao’s Ingredients

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

Herb & supplement monograph

Peony

Interacts with 811 drugs

Peony root is a traditional Chinese medicine herb often used for menstrual problems, cramps, and inflammation, frequently as part of combination formulas. Human evidence for most uses is lim...

Read the full Peony monograph →
Sources

Sources & How We Checked

Bai Shao Yao'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 15 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.

Peony 15 references
  1. Chen LC, Chou MH, Lin MF, Yang LL. Effects of Paeoniae Radix, a traditional Chinese medicine, on the pharmacokinetics of phenytoin. J Clin Pharm Ther 2001;26:271-8. PubMed
  2. Guo TL, Zhou XW. [Clinical observations on the treatment of the gestational hypertension syndrome with Angelica and Paeonia powder]. Zhong Xi Yi Jie He Za Zhi 1986;6:714-6, 707.
  3. Xie HJ, Yasar U, Sandberg M, Rane A. Paeoniae Radix, a traditional Chinese medicine, and CYP2C9 activity. J Clin Pharm Ther 2002;27:229-30. . PubMed
  4. Harada M, Suzuki M, Ozaki Y. Effect of Japanese Angelica root and peony root on uterine contraction in the rabbit in situ. J Pharmacobiodyn 1984;7:304-11. PubMed
  5. Anon. Monograph. Peony (Paeonia spp). Alt Med Rev 2001;6:495-9.
  6. Bruynzeel DP. Contact Dermatitis Due to Paeonia (Peony). Contact Dermatitis 1989; 20:152-3..
  7. Bian, X., Xu, Y., Zhu, L., Gao, P., Liu, X., Liu, S., Qian, M., Gai, M., Yang, J., and Wu, Y. Prevention of maternal-fetal blood group incompatibility with traditional Chinese herbal medicine. Chin Med J (Engl.) 1998;111(7):585-587.
  8. Wong, A. L. and Chan, T. Y. Interaction between warfarin and the herbal product quilinggao. Ann Pharmacother 2003;37(6):836-838.
  9. Cai Y, Yuan Q, Xu K, et al. Assessment of the therapeutic effect of total glycosides of peony for juvenile idiopathic arthritis: a systematic review and meta-analysis. Evid Based Complement Alternat Med 2016;2016:8292486.
  10. Koo YK, Kim JM, Koo JY, et al. Platelet anti-aggregatory and blood anti-coagulant effects of compounds isolated from Paeonia lactiflora and Paeonia suffruticosa. Pharmazie 2010;65(8):624-8.
  11. Wang W, Tian DD, Zheng B, et al. Peony-glycyrrhiza decoction, an herbal preparation, inhibits clozapine metabolism via cytochrome P450s, but not flavin-containing monooxygenase in in vitro models. Drug Metab Dispos 2015;43(7):1147-53. PubMed
  12. Zhou Y, Jin L, Kong F, et al. Clinical and immunological consequences of total glucosides of paeony treatment in Sjögren's syndrome: A randomized controlled pilot trial. Int Immunopharmacol. 2016 Oct;39:314-319. doi: 10.1016/j.intimp.2016.08.006. PubMed
  13. Zhu Q, Qi X, Wu Y, Wang K. Clinical study of total glucosides of paeony for the treatment of diabetic kidney disease in patients with diabetes mellitus. Int Urol Nephrol. 2016 Nov;48(11):1873-1880. doi: 10.1007/s11255-016-1345-5. PubMed
  14. Xu Y, Li X, Chen T, et al. Radix Paeoniae Alba increases serum estrogen level and up-regulates estrogen receptor expression in uterus and vagina of immature/ovariectomized mice. Phytother Res. 2019;33(1):117-29. [RETRACTED].
  15. Liu X, Li X, Li X, et al. The efficacy and safety of total glucosides of peony in the treatment of primary Sjögren's syndrome: a multi-center, randomized, double-blinded, placebo-controlled clinical trial. Clin Rheumatol. 2019;38(3):657-64. Erratum i

See these in context on the Peony 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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