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Dietary supplement

Rooibos Ingredients & Drug Interactions

by Herbal Terra

Rooibos 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 Rooibos 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

Rooibos is a dietary supplement by Herbal Terra with 1 active ingredient. Its ingredients are commonly taken for caffeine-free beverage, antioxidant support, heart health.Based on those ingredients, 879 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Rooibos (Aspalathus linearis) dried leaf liquid 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 Rooibos by Herbal Terra

Ask about any prescription or over-the-counter medication and we check it for interactions with Rooibos by Herbal Terra — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Rooibos by Herbal Terra

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 Sep 10, 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: rooibos (Aspalathus linearis) dried leaf liquid extract. Rooibos is a naturally caffeine-free herbal tea from South Africa.

The product also contains menstruum, which is an inactive ingredient used to extract and preserve the rooibos.

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 Rooibos product and its label doesn't state a use — see Rooibos'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 established evidence in our data to rate rooibos for any of its commonly claimed uses — age-related cognitive decline, hay fever, anxiety, cancer prevention, heart disease, or diabetes. The research we hold simply isn't reliable enough to say whether it works for these conditions.

If you're considering rooibos for a specific health goal, talk it over with your doctor to see whether the limited evidence makes sense for you.

The evidence, ingredient by ingredient Rooibos

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.

Rooibos tea is generally well tolerated when consumed in normal beverage amounts. However, concentrated extracts like this one haven't been well studied, so we can't be as certain about their safety profile.

One case report describes a man who developed liver damage and low platelet counts after drinking 10 cups of rooibos tea daily for over a year — a very high amount. Because long-term safety data for extracts is limited, use caution with regular intake and talk with your provider before making this a daily habit.

Side effects, ingredient by ingredient Rooibos

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 — Rooibos.
  • The most serious interaction on file is rated Moderate.
  • For scale: 880 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.

Before taking Herbal Terra Rooibos, check with your doctor or pharmacist if you take any medications processed by your liver — especially cholesterol drugs like atorvastatin, blood pressure medications (ACE inhibitors), antidepressants, beta-blockers, or pain relievers. Rooibos inhibits five major enzyme systems your body uses to break down medications, which can increase their effects and side effects.

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.

Rooibos is a caffeine-free herbal option, but this liquid extract can significantly interact with many medications by slowing how your liver processes them — especially concerning with cholesterol and blood pressure drugs. If you take any prescription medications, check them with your doctor or pharmacist before adding this product to your routine.

For occasional tea drinkers without medications, it's generally considered well tolerated, but concentrated extracts warrant extra caution.

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 Sep 25, 2020.

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 Rooibos, straight from the product label.

Brand Herbal Terra
Barcode (UPC) 723836119264
Net contents 4 Fluid Ounce(s); 120 mL
Market status On market
Date entered into DSLD Sep 25, 2020
DSLD ID 235125
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 Rooibos by Herbal Terra, 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 mL
Maximum serving Sizes:
1 mL
Servings per container
120
UPC/BARCODE
723836119264
IngredientAmount% DV
Rooibos (Aspalathus linearis) dried leaf liquid extract970 mg--

Other ingredients: Menstruum

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.
Formulation

Origin of plant material: South Africa.

Manufactured in the USA in an FDA registered facility

Alcohol free

Dried herb/menstruum ratio: 1:3 Expertly extracted Laboratory tested 330 mg/1 mL Premium product Alcohol-free liquid herbal extract

Non GMO

No artificial ingredients, GMO, gluten, color additives, fillers, preservatives or binders. Natural Gluten Free

Suggested/Recommended/Usage/Directions

Direction Shake well before use. Adults take up to 30 drops (1 mL, one full squeeze of the dropper bulb) in 3-4 fl. oz of juice or water up to 4 times a day. We recommend to seek expert medical advice before taking this or any other herbal supplements.

FDA Disclaimer Statement

Notice This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Caution May have contraindications.

Do not use if you are allergic to any ingredients.

Consult a physician before using during pregnancy, if nursing, or if you are on any medications.

Keep out of the reach of children.

Storage

Store in a cool, dry, dark place.

Formula

Aspalathus linearis

FDA Statement of Identity

Herbal Supplement

Seals/Symbols

Made in USA Made in an FDA registered facility Natural Gluten Free

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

See for yourself

Rooibos by Herbal Terra label

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

Rooibos 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 Rooibos by Herbal Terra

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 mL Dosage formLiquid Servings per container120 Amounts shown are per serving.

Rooibos (Aspalathus linearis) dried leaf liquid extract

Interacts with
879 drugs
970 mg per serving

Rooibos is a caffeine-free herbal tea from South Africa that is rich in antioxidants and generally considered safe as a beverage. While lab and early...

Rooibos (Aspalathus linearis) dried leaf liquid extract monograph & interactions

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

Interaction report

Rooibos by Herbal Terra Drug Interactions

Want to check YOUR meds against Rooibos?

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
879Drugs
879 Moderate

Ingredients driving the most interactions

Rooibos (Aspalathus linearis) dried leaf liquid extract 879

Individual Drug Interactions

The ingredients in Rooibos interact with 879 drugs. Click any drug to see the details.

1 of the 1 ingredient in Rooibos interact with drugs. Each result below shows which ingredient is responsible. Rooibos (Aspalathus linearis) dried leaf liquid extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Rooibos 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.

Rooibos (Aspalathus linearis) dried leaf liquid extract7 drug types · 879 drugs

Ace Inhibitors (Aceis)

Theoretically, taking rooibos with ACEIs may increase the therapeutic and adverse effects of ACEIs.
Clinical research in healthy adults shows that taking a single dose of rooibos tea, 400 mL orally, inhibits angiotensin-converting enzyme activity.

Likelihood Possible Evidence D
Atorvastatin (Lipitor)

Theoretically, taking rooibos with atorvastatin may increase the therapeutic and adverse effects of atorvastatin.
Animal research shows that consuming green rooibos extract with atorvastatin daily for 3 weeks increases the maximum plasma concentration of atorvastatin by 6-fold and reduces the clearance of atorvastatin.

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

Theoretically, taking rooibos with CYP1A2 substrates may increase the effects of CYP1A2 substrates.
In vitro research shows that the methanol extract of rooibos leaves and stems inhibits CYP1A2 enzyme activity.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, taking rooibos with CYP2C19 substrates may increase the effects of CYP2C19 substrates.
In vitro research shows that the methanol extract of rooibos leaves and stems strongly inhibits CYP2C19 enzyme activity.

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

Theoretically, taking rooibos with CYP2C9 substrates may increase the effects of CYP2C9 substrates.
In vitro research shows that the methanol extract of rooibos leaves and stems inhibits CYP2C9 enzyme activity.

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

Theoretically, taking rooibos with CYP2D6 substrates may increase the effects of CYP2D6 substrates.
In vitro research shows that the methanol extract of rooibos leaves and stems inhibits CYP2D6 enzyme activity.

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

Theoretically, taking rooibos with CYP3A4 substrates may increase the effects of CYP3A4 substrates.
In vitro research shows that the methanol extract of rooibos leaves and stems strongly inhibits CYP3A4 enzyme activity.

Likelihood Possible Evidence D
Rooibos (Aspalathus linearis) dried leaf liquid extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Rooibos, from the product label.

Herbal Terra

See all Herbal Terra products
Name
Herbal Terra
Pharmacist Counseling Corner

Rooibos by Herbal Terra: Common Questions

Does Rooibos by Herbal Terra interact with any medications?
Yes. Based on its ingredients, Rooibos has a known interaction with 879 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Rooibos 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.
Is this safe to drink every day?
Normal rooibos tea is generally well tolerated, but this is a concentrated extract, and long-term safety for extracts hasn't been well studied. One case report described liver damage in someone drinking very high amounts (10 cups daily for over a year). Talk with your provider before making it a daily habit.
Does rooibos actually work for any health conditions?
We don't have reliable evidence in our data to say rooibos works for age-related thinking problems, hay fever, anxiety, cancer, heart disease, or diabetes. That doesn't mean it's ineffective — just that the research isn't established enough to rate it yet.
Can I take this if I'm pregnant or breastfeeding?
We don't have enough data to know either way. Talk with your doctor or pharmacist about whether it's right for you during pregnancy or while nursing.
What exactly is rooibos?
Rooibos is a naturally caffeine-free herbal tea from South Africa made from the dried leaves of Aspalathus linearis. This product is a concentrated liquid extract of those leaves.
Why does rooibos interact with so many medications?
Rooibos inhibits five major enzyme systems in your liver that break down drugs. When those enzymes are slowed down, medications stay in your system longer and at higher levels, which can boost both their benefits and their side effects.

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

Not sure if Rooibos is safe with your meds?

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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.

Rooibos label
Go deeper

The Full Monographs Behind Rooibos’s Ingredients

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

Herb & supplement monograph

Rooibos

Interacts with 879 drugs

Rooibos is a caffeine-free herbal tea from South Africa that is rich in antioxidants and generally considered safe as a beverage. While lab and early studies suggest possible benefits for he...

Read the full Rooibos monograph →
Sources

Sources & How We Checked

Rooibos'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 4 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.

Rooibos 4 references
  1. Fantoukh OI, Dale OR, Parveen A, et al. Safety Assessment of Phytochemicals Derived from the Globalized South African Rooibos Tea (Aspalathus linearis) through Interaction with CYP, PXR, and P-gp. J Agric Food Chem. 2019;67(17):4967-4975.
  2. Persson IA, Persson K, Hägg S, Andersson RG. Effects of green tea, black tea and Rooibos tea on angiotensin-converting enzyme and nitric oxide in healthy volunteers. Public Health Nutr. 2010;13(5):730-7. PubMed
  3. Reddy S, Mishra P, Qureshi S, Nair S, Straker T. Hepatotoxicity due to red bush tea consumption: a case report. J Clin Anesth. 2016;35:96-98. PubMed
  4. Patel O, Muller CJF, Joubert E, et al. Pharmacokinetic Interaction of Green Rooibos Extract With Atorvastatin and Metformin in Rats. Front Pharmacol. 2019;10:1243. PubMed

See these in context on the Rooibos 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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