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Dietary supplement

Midol Supplements Peace Out PMS Ingredients & Drug Interactions

by Bayer

Midol Supplements Peace Out PMS label
See full label image
Capsule 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 Midol Supplements Peace Out PMS 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

Midol Supplements Peace Out PMS is a dietary supplement by Bayer with 3 active ingredients. Its ingredients are commonly taken for premenstrual syndrome (pms), irregular or absent menstrual periods, cyclical breast pain (mastalgia).Based on those ingredients, 1,195 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Ginger, Powder, Valerian Root Extract, Chasteberry Fruit 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 Midol Supplements Peace Out PMS by Bayer

Ask about any prescription or over-the-counter medication and we check it for interactions with Midol Supplements Peace Out PMS by Bayer — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Midol Supplements Peace Out PMS by Bayer

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 11, 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 3 of its 3 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains 3 active ingredients. Valerian Root Extract is included for its traditional use in calming and sleep support.

Ginger Powder is there for its anti-inflammatory properties and traditional use in easing discomfort, particularly menstrual discomfort. Chasteberry Fruit Extract rounds out the formula, though we hold no interaction data for it.

The capsule also contains inactive ingredients: Hydroxypropyl Methylcellulose, Rice extract, Rice, Gum Arabic, and Sunflower Oil.

Does it work?

Moderate evidence
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
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: Helps ease PMS discomfort including bloating and mood changes.
  • We looked for evidence on: Premenstrual syndrome (PMS), Dysmenorrhea, Menopausal symptoms, Hormonal symptoms, Menstrual discomfort.
  • The strongest evidence on file: Ginger is rated "Possibly Effective" for Dysmenorrhea (Natural Medicines).
  • Also on file: Vitex Agnus-castus is rated "Possibly Effective" for Premenstrual syndrome (PMS).
  • Also on file: Valerian is rated "Insufficient Reliable Evidence To Rate" for Menopausal symptoms, Premenstrual syndrome (PMS), Dysmenorrhea.

The evidence here is mixed. Valerian is rated Possibly Effective for insomnia, but the data on it for stress, pre-procedural anxiety, or dysmenorrhea (period pain) isn't strong enough to rate.

Ginger is rated Possibly Effective for pregnancy-related nausea, period pain, and osteoarthritis, but Possibly Ineffective for exercise-related muscle soreness. There's no established evidence in our data for Chasteberry Fruit Extract, so we can't speak to whether it works for PMS or other uses.

The evidence, ingredient by ingredient Vitex Agnus-castus Valerian Ginger

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 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Valerian is generally well tolerated in the short term, but long-term safety hasn't been well studied. The most common side effects are dizziness, drowsiness, mental slowness, headache, upset stomach, and vivid dreams.

If you use valerian for weeks or months and then stop suddenly, you may experience withdrawal symptoms like a racing heart, anxiety, irritability, or insomnia—so taper slowly rather than stopping abruptly. Rare but serious hepatotoxicity (liver damage) has been reported with multi-ingredient products containing valerian.

Ginger is generally well tolerated at typical food and supplement doses. Common side effects include upset stomach, burping, diarrhea, heartburn, and a peppery irritant feeling in the mouth and throat—these may be reduced by taking it in a capsule rather than powder form.

Higher doses (above 5 grams per day) increase the risk of side effects. Valerian is not recommended during pregnancy and should be avoided while breastfeeding.

Ginger is often used for morning sickness, but you should check with your doctor first and use moderate amounts.

Side effects, ingredient by ingredient Vitex Agnus-castus Valerian Ginger

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?
  • 3 of the 3 matched ingredients can interact with medications — Valerian, Ginger, Vitex Agnus-castus.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; immunosuppressants / transplant drugs; diabetes medications.
  • For scale: 1,196 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 with your pharmacist before taking this product if you use sedatives or CNS depressants (sleep aids, anxiety medications, narcotic pain relievers), anticoagulants or antiplatelet drugs (blood thinners like warfarin, aspirin, or clopidogrel), diabetes medications, heart medications like nifedipine or losartan, or cancer medications metabolized by CYP3A4. Also avoid combining this with alcohol.

The sedative effects of valerian and the bleeding risk from ginger are the most serious concerns.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

This product pairs calming valerian with anti-inflammatory ginger to address PMS symptoms. It's worth considering if you're looking for a herbal approach to menstrual discomfort and anxiety, but it's not for you if you take sedatives, blood thinners, diabetes drugs, or certain heart or cancer medications.

Talk with your pharmacist or doctor before starting, especially if you're pregnant, breastfeeding, or on any regular prescriptions.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 22, 2024.

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 Midol Supplements Peace Out PMS, straight from the product label.

Brand Bayer
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Nov 22, 2024
DSLD ID 322425
Product type Botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Women (not pregnant or lactating), Adult Female (18 - 50 Years), Seniors/Mature (>50 Years) - Women ONLY
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 Midol Supplements Peace Out PMS by Bayer, 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:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
IngredientAmount% DV
Chasteberry Fruit Extract20 mg--
Valerian Root Extract10 mg--
Ginger, Powder290 mg--

Other ingredients: Hydroxypropyl Methylcellulose, Rice extract, Rice, Gum Arabic, Sunflower Oil

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.
Precautions

If symptoms worsen or persist, consult a healthcare professional. Do not use if seal is cut or broken.

Keep out of reach of children

Do not exceed recommended intake if you experience an allergic reaction or other unexpected symptoms, discontinue use and contact your healthcare professional.

Warnings: Do not use this product if you are pregnant, breast-feeding, or are allergic to any ingredients in this product. If you are taking any medications or have any medical condition, ask a healthcare professional before use.

For adults 18 years of age and older Not for children

Storage

Store at room temperature. Avoid excessive heat. Close cap tightly after use.

General Statements

Questions or comments? 1-800-331-4536

Brand IP Statement(s)

Bayer, the Bayer Cross and Midol are registered trademarks of Bayer. Pat.: patents.livewell.bayer.com Copyright 2023 Bayer.

Formulation

Drug Free

Helps ease PMS discomfort: bloating, breast tenderness and mild mood changes

Suggested/Recommended/Usage/Directions

Take daily

Directions: Adults: Take 1 capsule daily. Recommended usage 3 months and beyond.

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

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

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

See for yourself

Midol Supplements Peace Out PMS by Bayer label

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

Midol Supplements Peace Out PMS 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 Midol Supplements Peace Out PMS by Bayer

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Chasteberry Fruit Extract

Interacts with
121 drugs
20 mg per serving

Vitex (chasteberry) is an herbal remedy most often used for PMS and menstrual cycle problems, and the strongest evidence is for easing some PMS sympto...

Chasteberry Fruit Extract monograph & interactions

Valerian Root Extract

Interacts with
902 drugs
10 mg per serving

Valerian is an herb whose root is widely used as a natural sleep aid and for calming nerves. The evidence is mixed and often weak, so it may help some...

Valerian Root Extract monograph & interactions

Ginger, Powder

Interacts with
1,007 drugs
290 mg per serving

Ginger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomi...

Ginger, Powder monograph & interactions

Other (inactive) ingredients: Hydroxypropyl Methylcellulose, Rice extract, Rice, Gum Arabic, Sunflower Oil. These complete the product’s ingredient list but are not active constituents.

Interaction report

Midol Supplements Peace Out PMS by Bayer Drug Interactions

Want to check YOUR meds against Midol Supplements Peace Out PMS?

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
1,195Drugs
1,101 Moderate 94 Minor

Ingredients driving the most interactions

Ginger, Powder 1,007
Valerian Root Extract 902
Chasteberry Fruit Extract 121

Individual Drug Interactions

The ingredients in Midol Supplements Peace Out PMS interact with 1,195 drugs. Click any drug to see the details.

3 of the 3 ingredients in Midol Supplements Peace Out PMS interact with drugs. Each result below shows which ingredient is responsible. Ginger, Powder Valerian Root Extract Chasteberry Fruit Extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Midol Supplements Peace Out PMS with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Ginger, Powder14 drug types · 1,007 drugs

Anticoagulant/Antiplatelet Drugs

Ginger may have antiplatelet effects and may increase the risk of bleeding if used with anticoagulant or antiplatelet drugs. However, research is conflicting.
Laboratory research suggests that ginger inhibits thromboxane synthetase and decreases platelet aggregation. However, this has not been demonstrated unequivocally in humans, with mixed results from clinical trials. Theoretically, excessive amounts of ginger might increase the risk of bleeding when used with anticoagulant/antiplatelet drugs.

Likelihood Possible Evidence B
Antidiabetes Drugs

Theoretically, taking ginger with antidiabetes drugs might increase the risk of hypoglycemia.
Animal and human research suggests that ginger might increase insulin levels and/or decrease blood glucose levels.

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

Ginger might increase or decrease the levels of CYP3A4 substrates.
In vitro research and some case reports suggest that ginger inhibits CYP3A4 activity. Three case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are CYP3A4 substrates (imatinib, dabrafenib, and crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.
Conversely, other in vitro research suggests that ginger induces CYP3A4 activity, leading to reduced levels of CYP3A4 substrates. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Losartan (Cozaar)

Theoretically, ginger might increase levels of losartan and the risk of hypotension.
In animal research, ginger increased the levels and hypotensive effects of a single dose of losartan. It is not clear if ginger alters the concentration or effects of losartan when taken continuously. Additionally, this interaction has not been shown in humans.

Likelihood Possible Evidence D
Nifedipine (Procardia)

Ginger may have antiplatelet effects and increase the risk of bleeding if used with nifedipine.
Clinical research shows that combined treatment with ginger 1 gram plus nifedipine 10 mg significantly inhibits platelet aggregation when compared to nifedipine or ginger alone.

Likelihood Possible Evidence B
P-Glycoprotein Substrates

Ginger might increase the absorption and blood levels of P-glycoprotein (P-gp) substrates.
In vitro research and case reports suggest that ginger inhibits drug efflux by P-gp, potentially increasing absorption and serum levels of P-gp substrates. Two case reports from the World Health Organization (WHO) adverse drug reaction database describe increased toxicity in patients taking ginger and cancer medications that are P-gp substrates (trametinib, crizotinib). However, the causality of this interaction is unclear due to the presence of multiple interacting drugs and routes of administration.

Likelihood Possible Evidence D
Phenprocoumon (Marcoumar, Others)

Ginger might increase the risk of bleeding with phenprocoumon.
Phenprocoumon, a warfarin-related anticoagulant, might increase the international normalized ratio (INR) when taken with ginger. There is one case report of a 76-year-old woman with a stable INR on phenprocoumon that increased to greater than 10 when she began consuming dried ginger and ginger tea.

Likelihood Possible Evidence D
Warfarin (Coumadin)

Ginger might increase the risk of bleeding with warfarin.
Laboratory research suggests that ginger might inhibit thromboxane synthetase and decrease platelet aggregation. In one case report, ginger increased the INR when taken with phenprocoumon, which has similar pharmacological effects as warfarin. In another case report, ginger increased the INR when taken with a combination of warfarin, hydrochlorothiazide, and acetaminophen. A longitudinal analysis suggests that taking ginger increases the risk of bleeding in patients taking warfarin for at least 4 months. However, research in healthy people suggests that ginger has no effect on INR, or the pharmacokinetics or pharmacodynamics of warfarin. Until more is known, monitor INRs closely in patients taking large amounts of ginger.

Likelihood Possible Evidence B
Calcium Channel Blockers

Theoretically, taking ginger with calcium channel blockers might increase the risk of hypotension.
Some animal and in vitro research suggests that ginger has hypotensive and calcium channel-blocking effects. Another animal study shows that concomitant administration of ginger and the calcium channel blocker amlodipine leads to greater reductions in blood pressure when compared with amlodipine alone.

Likelihood Unlikely Evidence D
Cyclosporine (Neoral, Sandimmune)

Theoretically, when taken prior to cyclosporine, ginger might decrease cyclosporine levels.
In an animal model, ginger juice taken 2 hours prior to cyclosporine administration reduced the maximum concentration and area under the curve of cyclosporine by 51% and 40%, respectively. This effect was not observed when ginger juice and cyclosporine were administered at the same time.

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

Theoretically, ginger might increase the levels of CYP1A2 substrates.
In vitro research shows that ginger inhibits CYP1A2 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, ginger might increase the levels of CYP2B6 substrates.
In vitro research shows that ginger inhibits CYP2B6 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, ginger might increase the levels of CYP2C9 substrates.
In vitro research shows that ginger inhibits CYP2C9 activity. However, this interaction has not been reported in humans.

Likelihood Possible Evidence D
Metronidazole (Flagyl)

Theoretically, ginger might increase levels of metronidazole.
In an animal model, ginger increased the absorption and plasma half-life of metronidazole. In addition, the elimination rate and clearance of metronidazole was significantly reduced.

Likelihood Possible Evidence D
Ginger, Powder full monograph & interactions

Valerian Root Extract6 drug types · 902 drugs

Alcohol (Ethanol)

Valerian can have additive sedative effects when used concomitantly with alcohol.
Valerian has sedative effects. Theoretically, valerian might have an additive sedative effect when combined with alcohol. Excessive sedation has been reported in an alcohol-abusing individual who took valerian and Gingko biloba. However, the potential interaction between valerian and alcohol has been disputed in other research. Limited evidence suggests that a combination of valerian 160 mg and lemon balm 80 mg (Euvegal) does not cause further deterioration in reaction ability and reaction rate when taken with alcohol as compared to the effects of alcohol alone.

Likelihood Possible Evidence B
Alprazolam (Xanax)

Valerian can have additive sedative effects when used with alprazolam. Also, valerian in high doses might modestly increase alprazolam levels, though this is not likely to be clinically significant.
Valerian has sedative effects. Theoretically, valerian might cause additive sedation when combined with alprazolam. Also, a small pharmacokinetic study shows that taking valerian extract 1000 mg daily (providing 11 mg valerenic acid) might increase alprazolam levels by about 19%. This might be due to valerian's mild inhibition of cytochrome P450 3A4 (CYP3A4). Despite being statistically significant, this increase is not likely to be clinically significant.

Likelihood Possible Evidence B
Cns Depressants

Valerian can have additive sedative effects when used concomitantly with CNS depressant drugs.
Theoretically, concomitant use of valerian and drugs with sedative and anesthetic properties may cause additive therapeutic and adverse effects.

Likelihood Possible Evidence D
Glucuronidated Drugs

Valerian might weakly inhibit glucuronidation and increase concentrations of drugs metabolized by UGT1A1 and UGT2B7.
In vitro research shows that methanolic valerian extract and valerenic acid might competitively inhibit UDP-glucuronosyltransferase (UGT) 1A1 (UGT1A1) and UGT2B7.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Substrates

Valerian does not seem to have a clinically relevant effect on levels of drugs metabolized by CYP2D6.
Although some in vitro evidence suggests that valerian affects CYP2D6, clinical pharmacokinetic (PK) studies show that valerian is unlikely to affect the CYP2D6 enzyme. In one PK study, taking valerian 1000 mg (providing about 11 mg valerenic acid) nightly for 14 days did not affect the metabolism of dextromethorphan, a CYP2D6 substrate. In another PK study, taking valerian 125 mg three times daily for 28 days did not affect metabolism of debrisoquine, an accepted CYP2D6 probe-substrate.

Likelihood Unlikely Evidence B
Cytochrome P450 3A4 (Cyp3A4) Substrates

Valerian does not seem to have a clinically relevant effect on levels of drugs metabolized by CYP3A4.
Although some in vitro evidence suggests that valerian extract might inhibit or induce CYP3A4, clinical pharmacokinetic (PK) studies show that valerian does not have a clinically significant effect on the CYP3A4 enzyme. In one PK study, taking valerian 125 mg three times daily for 28 days did not affect metabolism of midazolam, an accepted CYP3A4 probe-substrate. In another PK study, taking valerian 1000 mg (providing about 11 mg valerenic acid) nightly for 14 days modestly increases levels of alprazolam, a CYP3A4 substrate, suggesting mild inhibition of CYP3A4. However, this mild inhibition is unlikely to be clinically relevant.

Likelihood Possible Evidence B
Valerian Root Extract full monograph & interactions

Chasteberry Fruit Extract5 drug types · 121 drugs

Antipsychotic Drugs

Theoretically, vitex agnus-castus could interfere with the activity of antipsychotic drugs.
Vitex agnus-castus might interfere with the action of dopamine antagonists such as antipsychotic drugs due to its dopamine agonist effects.

Likelihood Possible Evidence D
Contraceptive Drugs

Theoretically, vitex agnus-castus could interfere with oral contraceptives.
Vitex agnus-castus might interfere with the efficacy of oral contraceptives due to possible hormone modulating activity.

Likelihood Possible Evidence B
Dopamine Agonists

Theoretically, vitex agnus-castus could interfere with dopamine agonists.
Vitex agnus-castus might potentiate the actions of dopaminergic agonists due to possible dopaminergic effects.

Likelihood Possible Evidence D
Estrogens

Theoretically, vitex agnus-castus could interfere with the activity of estrogens.
Vitex agnus-castus has hormone modulating activity that can interfere with the efficacy of hormone replacement therapy.

Likelihood Probable Evidence D
Metoclopramide (Reglan)

Theoretically, dopaminergic effects of vitex agnus-castus could interfere with metoclopramide.
Vitex agnus-castus might interfere with the action of dopamine antagonists such as metoclopramide due to its possible dopaminergic effects.

Likelihood Possible Evidence D
Chasteberry Fruit Extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Midol Supplements Peace Out PMS, from the product label.

Bayer

See all Bayer products
Name
Bayer Healthcare LLC
City
Whippany
State
NJ
ZipCode
07981
Phone Number
1-800-331-4536
Pharmacist Counseling Corner

Midol Supplements Peace Out PMS by Bayer: Common Questions

Does Midol Supplements Peace Out PMS by Bayer interact with any medications?
Yes. Based on its ingredients, Midol Supplements Peace Out PMS has a known interaction with 1,195 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Midol Supplements Peace Out PMS contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is 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 pregnant or breastfeeding?
The valerian in this product is not recommended during pregnancy. Ginger is often used for morning sickness, but you should check with your doctor first and keep amounts moderate. For breastfeeding, there isn't enough safety information on valerian, so avoid it. Talk with your doctor or pharmacist about what's right for you.
What are the most common side effects?
Valerian can cause dizziness, drowsiness, mental slowness, headache, upset stomach, and vivid dreams. Ginger may cause stomach discomfort, burping, diarrhea, heartburn, or a peppery sensation in your mouth and throat. These are usually mild, but if you take it as a powder instead of a capsule, the ginger side effects may be stronger.
Is this safe to use long-term?
Valerian is generally well tolerated short-term, but long-term safety hasn't been well studied. If you use it for weeks or months, taper it slowly when stopping rather than quitting abruptly, because stopping suddenly can cause withdrawal symptoms like anxiety, a racing heart, or insomnia.
What is chasteberry for?
Chasteberry Fruit Extract is included in this PMS formula as part of the traditional herbal blend. We don't hold interaction data for it, so we can't speak to specific effects or interactions.
Will ginger help with period pain?
Ginger is rated Possibly Effective for dysmenorrhea (period pain) based on the evidence we hold, so it may help some people. But results vary from person to person.
Can I take this with alcohol?
No, you should avoid alcohol while taking this product. Valerian has sedative effects, and combining it with alcohol can cause dangerous additive sedation and drowsiness.

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.

Midol Supplements Peace Out PMS label
Go deeper

The Full Monographs Behind Midol Supplements Peace Out PMS’s Ingredients

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

Herb & supplement monograph

Vitex Agnus-castus

Interacts with 121 drugs

Vitex (chasteberry) is an herbal remedy most often used for PMS and menstrual cycle problems, and the strongest evidence is for easing some PMS symptoms. It is generally well tolerated by ma...

Read the full Vitex Agnus-castus monograph → Herb & supplement monograph

Valerian

Interacts with 902 drugs

Valerian is an herb whose root is widely used as a natural sleep aid and for calming nerves. The evidence is mixed and often weak, so it may help some people sleep but does not work reliably...

Read the full Valerian monograph → Herb & supplement monograph

Ginger

Interacts with 1,007 drugs

Ginger is a widely used culinary spice with a long history in traditional medicine, and it has the strongest evidence for helping with nausea and vomiting, including from motion sickness, pr...

Read the full Ginger monograph →
Sources

Sources & How We Checked

Midol Supplements Peace Out PMS'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 124 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.

Vitex Agnus-castus 23 references
  1. Wuttke W. Dopaminergic action of extracts of Agnus Castus. Forschende Komplementarmedizen 1996;3:329-30.
  2. Jarry H, Leonhardt S., Gorkow C, Wuttke W. In vitro prolactin but not LH and FSH release is inhibited by compounds in extracts of Agnus Castus: direct evidence for a dopaminergic principle by the dopamine receptor assay. Exp Clin Endocrinol 1994;102:448- PubMed
  3. Schellenberg R. Treatment for the premenstrual syndrome with agnus castus fruit extract: prospective, randomised, placebo-controlled study. BMJ 2001;322:134-7. PubMed
  4. Lauritzen CH, Reuter HD, Repges R, et al. Treatment of premenstrual tension syndrome with Vitex agnus castus: Controlled-double blind versus pyridoxine. Phytomedicine 1997;4:183-9.
  5. Berger D, Schaffner W, Schrader E, et al. Efficacy of Vitex agnus castus L. extract Ze 440 in patients with premenstrual syndrome (PMS). Arch Gynecol Obstet 2000;264:150-3.
  6. Loch EG, Selle H, Boblitz N. Treatment of premenstrual syndrome with a phytopharmaceutical formulation containing Vitex agnus castus. J Womens Health Gend Based Med 2000;9:315-20. PubMed
  7. Meier B, Berger D, Hoberg E, et al. Pharmacological activities of Vitex agnus-castus extracts in vitro. Phytomedicine 2000;7:373-81. PubMed
  8. Liu J, Burdette JE, Xu H, et al. Evaluation of estrogenic activity of plant extracts for the potential treatment of menopausal symptoms. J Agric Food Chem 2001;49:2472-9.. PubMed
  9. Wuttke W, Jarry H, Christoffel V, et al. Chaste tree (Vitex agnus-castus)--pharmacology and clinical indications. Phytomedicine 2003;10:348-57. PubMed
  10. Atmaca M, Kumru S, Tezcan E. Fluoxetine versus Vitex agnus castus extract in the treatment of premenstrual dysphoric disorder. Hum Psychopharmacol 2003;18:191-5..
  11. Daniele C, Thompson Coon J, Pittler MH, Ernst E. Vitex agnus castus: a systematic review of adverse events. Drug Saf 2005;28:319-32..
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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.

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