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Dietary supplement

Red Tea Rooibos 4:1 Extract Powder Ingredients & Drug Interactions

by TerraVita Premium Collection

Red Tea Rooibos 4:1 Extract Powder label
See full label image
Powder Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Red Tea Rooibos 4:1 Extract Powder 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

Red Tea Rooibos 4:1 Extract Powder is a dietary supplement by TerraVita Premium Collection 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 Extract, Powder. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection

Ask about any prescription or over-the-counter medication and we check it for interactions with Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection

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 a single active ingredient: rooibos extract in powder form, concentrated at a 4:1 ratio. Rooibos is a caffeine-free plant from South Africa traditionally brewed as tea.

There are no inactive ingredients listed.

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.

The evidence for rooibos extract isn't established enough to rate it reliably for the purposes typically claimed — age-related cognitive decline, hay fever, anxiety, cancer prevention, heart disease, or blood sugar control. The product facts show insufficient reliable evidence for all of these.

If you're thinking about using this extract for one of those reasons, talk with your doctor or pharmacist about whether the current evidence supports it and whether it fits your health goals.

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 in normal beverage amounts is generally well tolerated. However, this is a concentrated 4:1 extract powder, not a casual cup of tea — the safety data for extracts taken regularly hasn't been studied well, so it's wise to check with your provider before making it part of your routine.

One case report described a man who drank 10 cups of rooibos tea daily for over a year and developed liver problems and low platelet counts (thrombocytopenia), so very high intakes over a long time may pose a risk for certain people.

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.

Check any blood pressure medications (ACE inhibitors), cholesterol drugs (especially atorvastatin), and any other prescription medications before starting this product, because rooibos inhibits multiple liver pathways and may raise drug levels. All of these interactions are rated Moderate severity.

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.

Red Tea Rooibos 4:1 Extract Powder is a single-ingredient supplement with significant interaction potential because rooibos slows how your liver processes many common medications. If you take a blood pressure or cholesterol medication, or any regular prescription, run it through the interaction checker on this page or talk with your pharmacist before you start.

This concentrated extract hasn't been studied long-term, so a conversation with your doctor or pharmacist about your specific situation is a smart step.

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 Jul 18, 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 Red Tea Rooibos 4:1 Extract Powder, straight from the product label.

Brand TerraVita Premium Collection
Barcode (UPC) 064435212728
Net contents 4 Ounce(s)
Market status On market
Date entered into DSLD Jul 18, 2023
DSLD ID 289819
Product type Botanical
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
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 Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection, 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:
0.25 Teaspoon(s)
Maximum serving Sizes:
0.25 Teaspoon(s)
Servings per container
113
UPC/BARCODE
064435212728
IngredientAmount% DV
Rooibos Extract, Powder1000 mg--

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.
FDA Statement of Identity

A Dietary Supplement

Brand IP Statement(s)

Copyright 2017 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Suggested/Recommended/Usage/Directions

Directions Stir 1/4 of a teaspoon into a glass of water and consume 3 times daily, with meals.

General Statements

TerraVita is an exclusive line of premium natural products that use the finest, purest and most potent ingredients in the world. TerraVita's hallmarks are the highest possible standards of purity, potency, stability and freshness. All products are prepared with the greatest quality control, from raw materials through the entire manufacturing process, right up to the moment your product is sealed for freshness and shipped to you.

Please recycle!

FDA Disclaimer Statement

Statements not evaluated by FDA. Product 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

Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection label

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

Red Tea Rooibos 4:1 Extract Powder 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 Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection

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

Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container113 Amounts shown are per serving.

Rooibos Extract, Powder

Interacts with
879 drugs
1000 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 Extract, Powder monograph & interactions
Interaction report

Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection Drug Interactions

Want to check YOUR meds against Red Tea Rooibos 4:1 Extract Powder?

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 Extract, Powder 879

Individual Drug Interactions

The ingredients in Red Tea Rooibos 4:1 Extract Powder interact with 879 drugs. Click any drug to see the details.

1 of the 1 ingredient in Red Tea Rooibos 4:1 Extract Powder interact with drugs. Each result below shows which ingredient is responsible. Rooibos Extract, Powder

Each ingredient & the kinds of drugs it affects

For each ingredient in Red Tea Rooibos 4:1 Extract Powder 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 Extract, Powder7 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 Extract, Powder full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Red Tea Rooibos 4:1 Extract Powder, from the product label.

TerraVita Premium Collection

See all TerraVita Premium Collection products
Name
TerraVita Fine Whole Herbs
City
Brampton
State
Ontario
Pharmacist Counseling Corner

Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection: Common Questions

Does Red Tea Rooibos 4:1 Extract Powder by TerraVita Premium Collection interact with any medications?
Yes. Based on its ingredients, Red Tea Rooibos 4:1 Extract Powder 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?
Red Tea Rooibos 4:1 Extract Powder 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.
Does rooibos extract have caffeine?
No — rooibos is naturally caffeine-free, so it won't give you the jitter or sleep disruption that comes with caffeinated products.
Can I take this if I'm on a statin like atorvastatin?
Animal research shows rooibos can raise atorvastatin levels significantly, so you absolutely need to check with your doctor or pharmacist before combining them. Don't start this extract without that conversation.
Is this safe to take every day?
The safety data for concentrated rooibos extracts taken regularly is sparse — it's not well studied the way regular tea is. A conversation with your provider about daily use is the right move, especially if you take other medications.
Will this help with anxiety or brain fog?
The evidence for rooibos on anxiety, cognitive decline, or similar issues isn't reliable enough to rate. It's not established that this extract works for those purposes in our data.
I'm pregnant — can I take this extract?
The safety data for rooibos extract during pregnancy isn't on file. Talk with your doctor or midwife before taking it — they can give you personalized advice based on 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.

Red Tea Rooibos 4:1 Extract Powder label
Go deeper

The Full Monographs Behind Red Tea Rooibos 4:1 Extract Powder’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

Red Tea Rooibos 4:1 Extract Powder'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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