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Dietary supplement

Yerba Santa Ingredients & Drug Interactions

by Herb Pharm

Yerba Santa 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 Yerba Santa 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

Yerba Santa is a dietary supplement by Herb Pharm with 1 active ingredient. Its ingredients are commonly taken for coughs and colds, chest congestion (expectorant), asthma and bronchitis.Based on those ingredients, 1 medication has a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Yerba Santa aerial parts (Eriodictyon californicum) 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 Yerba Santa by Herb Pharm

Ask about any prescription or over-the-counter medication and we check it for interactions with Yerba Santa by Herb Pharm — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Yerba Santa by Herb 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 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 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: yerba santa aerial parts extract. Yerba santa is a plant native to California; we use the above-ground parts (stems, leaves, flowers) to make this liquid extract.

The product also contains certified organic cane alcohol and distilled water 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

We hold no graded evidence for this product's ingredients for its stated purpose.

Why this rating?
  • The label markets this product for: respiratory system support.
  • We looked for evidence on: cough, chest congestion, bronchitis, asthma.
  • Our graded evidence for these ingredients doesn't cover that particular purpose.

The evidence for yerba santa in obesity is insufficient—there isn't enough reliable data in our records to rate whether it works for that purpose. If you're considering this product for another use, we'd recommend checking with your pharmacist or doctor about what the science supports.

The evidence, ingredient by ingredient Yerba Santa

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 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.

Yerba santa is generally used in small amounts in foods and teas, but human safety data are limited, so we don't have a complete picture of how it behaves at higher doses. The product carries a pregnancy caution: there isn't enough safety information to recommend medicinal amounts during pregnancy, so it's best to avoid it if you're pregnant.

Similarly, safety hasn't been studied in nursing mothers, so medicinal use while breastfeeding is not recommended.

Side effects, ingredient by ingredient Yerba Santa

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 — Yerba Santa.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: lithium.
  • For scale: 1 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.

If you take lithium, check with your pharmacist or doctor before starting this product—the diuretic effect may raise your lithium level. For all other medications, no interactions are documented for the ingredients we could check, but run your specific drugs through the tool on this page to be sure.

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 some safety-information gaps remain.

Yerba Santa by Herb Pharm is a single-ingredient liquid extract. If you take lithium, this one is a conversation with your pharmacist before you start.

Pregnant or breastfeeding? Skip the medicinal doses.

For anyone else, the main caveat is that human safety data are limited.

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 Mar 25, 2021.

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 Yerba Santa, straight from the product label.

Brand Herb Pharm
Barcode (UPC) 090700002558
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Mar 25, 2021
DSLD ID 245981
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 Yerba Santa by Herb 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:
0.7 mL
Servings per container
168
UPC/BARCODE
090700002558
IngredientAmount% DV
Yerba Santa aerial parts (Eriodictyon californicum) extract620 mg--

Other ingredients: certified organic Cane Alcohol, distilled Water

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.
Suggested/Recommended/Usage/Directions

Suggested use Shake well before using Add 1 full squeeze of the dropper bulb to 2 oz. of water or juice, 2 to 5 times per day. Best taken between meals.

Precautions

Keep out of the reach of children

Storage

Store away from heat & light

Formula

Eriodictyon californicum

Yerba Santa Liquid Extract

We prepare our Yerba Santa Extract from the aerial parts of Eriodictyon californicum shrubs which are responsibly wildcrafted in their natural habitat.

Formulation

Respiratory system

Gluten-free

Dry herb/menstruum ratio: 1:5

FDA Statement of Identity

Herbal Supplement

FDA Disclaimer Statement

This statement has not been evaluated by the FDA. 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

Yerba Santa by Herb Pharm label

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

Yerba Santa 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 Yerba Santa by Herb 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 container168 Amounts shown are per serving.

Yerba Santa aerial parts (Eriodictyon californicum) extract

Interacts with
1 drug
620 mg per serving

Yerba Santa is an aromatic shrub from the western United States and Mexico that has long been used in folk medicine for coughs, congestion, and other...

Yerba Santa aerial parts (Eriodictyon californicum) extract monograph & interactions

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

Interaction report

Yerba Santa by Herb Pharm Drug Interactions

Want to check YOUR meds against Yerba Santa?

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
1Drugs
1 Moderate

Ingredients driving the most interactions

Yerba Santa aerial parts (Eriodictyon californicum) extract 1

Individual Drug Interactions

The ingredients in Yerba Santa interact with 1 drug. Click any drug to see the details.

1 of the 1 ingredient in Yerba Santa interact with drugs. Each result below shows which ingredient is responsible. Yerba Santa aerial parts (Eriodictyon californicum) extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Yerba Santa 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.

Yerba Santa aerial parts (Eriodictyon californicum) extract1 drug type · 1 drug

Lithium

Yerba santa is thought to have diuretic properties. Theoretically, due to these potential diuretic effects, yerba santa might reduce excretion and increase levels of lithium. The dose of lithium might need to be decreased.

Likelihood Probable Evidence D
Yerba Santa aerial parts (Eriodictyon californicum) extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Yerba Santa, from the product label.

Herb Pharm

See all Herb Pharm products
Name
Herb Pharm
City
Williams
State
OR
ZipCode
97544
Phone Number
800-348-4372
Web Address
www.herb-pharm.com
Pharmacist Counseling Corner

Yerba Santa by Herb Pharm: Common Questions

Does Yerba Santa by Herb Pharm interact with any medications?
Yes. Based on its ingredients, Yerba Santa has a known interaction with 1 medication. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Yerba Santa 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.
What exactly is in this bottle?
One active ingredient—an extract made from the aerial parts (stems, leaves, flowers) of yerba santa, a California native plant. The extract is preserved in certified organic cane alcohol and distilled water.
Does yerba santa actually work for weight loss?
The evidence isn't established in our data. There's insufficient reliable evidence to rate whether it's effective for obesity, so we can't say it does.
Is it safe to use while pregnant?
No. There isn't enough safety information available, so medicinal amounts aren't recommended during pregnancy. If you're pregnant or planning to be, talk with your doctor or pharmacist.
What about while breastfeeding?
Safety hasn't been studied in nursing mothers, so medicinal use of yerba santa while breastfeeding is not recommended. Check with your pharmacist or doctor for personalized advice.
Are there any side effects listed?
No adverse effects are documented in the product data we hold. That doesn't guarantee none will occur, but none were reported in the information available to us.
Does it contain any fillers or other junk?
The only inactive ingredients are certified organic cane alcohol and distilled water—both are there to preserve and deliver the extract. No added fillers.

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.

Yerba Santa label
Go deeper

The Full Monographs Behind Yerba Santa’s Ingredients

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

Herb & supplement monograph

Yerba Santa

Interacts with 1 drug

Yerba Santa is an aromatic shrub from the western United States and Mexico that has long been used in folk medicine for coughs, congestion, and other respiratory complaints. Modern scientifi...

Read the full Yerba Santa monograph →
Sources

Sources & How We Checked

Yerba Santa'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.

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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