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💚 Lyme Awareness: up to 25% off the entire month of May! 💚

📝 Download our FREE Herbal Protocol Guide! 

FREE SHIPPING on orders over $149!

⚡️ Up to 25% off all Tinctures, Capsules & Powders ⚡️



Isatis tinctoria (Isatis)

Rated 5.00 out of 5 based on 2 customer ratings
(2 customer reviews)

Isatis tinctoria is clinically used to treat as per the specifications of Traditional Chinese Medicine (TCM) to reduce the virulence (severity) of both bacterial and viral infections. Isatis is also used to treat Heat conditions and fevers.


Botanical Name: 

Isatis tinctoria

Common Name(s): 

  • Isatis
  • Dyer’s woad
  • Glastum

Part Used: Isatis Root & Leaf
Percentage of Alcohol Used: 60%
Herb to Menstruum Ratio: 1:4
Production Method: Whole-herb Percolation Extraction
NPN#: 80105605


  • Isatis tinctoria (Isatis)
  • Gluten-Free Pharmaceutical-Grade Alcohol
  • Distilled Water


Remedy based on the theory of Traditional Chinese Medicine.


Adults 18 years and older - work up from 1 to 15 drops per day to a maximum of 5ml 3 times per day, or as directed by your health care provider.



  • If symptoms persist or worsen, or if new symptoms develop, discontinue use and consult a health care practitioner.
  • If you are taking prescription medications, consult a health care practitioner prior to use.


  • If you are pregnant or breastfeeding, do not use this product.

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*This product is not intended to diagnose, treat, cure, or prevent any disease. Please consult your health care provider for further information & dosing recommendations.

*This product is not intended to diagnose, treat, cure, or prevent any disease.
Please consult your health care provider for further information & dosing recommendations.

Additional Information About Isatis tinctoria (Isatis)

Isatis tinctoria, commonly known as Woad, is a flowering plant with a long history of traditional use in herbal medicine. Native to Europe and Western Asia, this herbaceous plant is renowned for its potential health benefits and has been utilized for centuries by various cultures.

Botanical Description
Isatis tinctoria is characterized by its clusters of yellow flowers and bluish-green leaves. It is a hardy plant that can thrive in various conditions, making it a versatile herb for cultivation. Both the leaves and roots of Isatis tinctoria are used in herbal preparations, each offering unique health benefits.

Traditional Uses
In traditional herbal medicine, Isatis tinctoria has been used for a variety of purposes. The leaves are often used to support the immune system and promote overall wellness. They are also believed to have anti-inflammatory and antioxidant properties, making them valuable in traditional medicine.

Harvesting and Preparation
Both the leaves and roots of Isatis tinctoria are harvested and dried before being used in herbal preparations. They can be prepared as teas, tinctures, or extracts, offering a variety of ways to utilize their potential health benefits.

Isatis tinctoria


1. Isatis tinctoria L. (Woad): A Review of its Botany, Ethnobotanical Uses, Phytochemistry, Biological Activities, and Biotechnological Studies. Speranza J, Miceli N, Taviano MF, Ragusa S, Kwiecień I, Szopa A, Ekiert H. Plants (Basel). 2020 Mar 1;9(3):298. doi: 10.3390/plants9030298. https://pubmed.ncbi.nlm.nih.gov/32121532/
Indole alkaloid glycosides from Isatis tinctoria roots. Zhang D, Du K, Zhao Y, Shi S, Wu Y, Jia Q, Chen K, Li Y, Wang R. Nat Prod Res. 2021 Jan;35(2):244-250. doi: 10.1080/14786419.2019.1624960. Epub 2019 Jun 7. https://pubmed.ncbi.nlm.nih.gov/31174427/
Hydroalcoholic Leaf Extract of Isatis tinctoria L. via Antioxidative and Anti-Inflammatory Effects Reduces Stress-Induced Behavioral and Cellular Disorders in Mice. Nicosia N, Kwiecień I, Mazurek J, Mika K, Bednarski M, Miceli N, Ragusa S, Ekiert H, Maes M, Kotańska M. Oxid Med Cell Longev. 2022 Jun 25;2022:3567879. doi: 10.1155/2022/3567879. eCollection 2022. https://pubmed.ncbi.nlm.nih.gov/35795852/

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2 reviews for Isatis tinctoria (Isatis)

  1. F
    Francois Verified Buyer 07/28/2022
    Rated 5 out of 5

    Apex Botanicals is my go-to for natural health.

  2. R
    Riley Verified Buyer 01/04/2023
    Rated 5 out of 5

    Love Apex’s products, highly recommend.

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Free Lyme Protocol Guide - Apex Botanicals


FREE Herbal Protocol Guide for Lyme &

This guide, written by our Lyme-literate experts, is designed to offer clarity amidst the confusion of endless treatment choices.

You'll gain insights into the nuanced physiological effects of the Lyme bacteria on various body systems and how herbs and supplements play a pivotal role in addressing these challenges.

By the end you'll have created your very own customized treatment protocol, tailored to your unique needs!


What makes Apex Botanical tinctures different from other herbal tinctures?

Our tinctures stand out due to the premium quality of herbs we use. Crafted at a concentration of 1:4, our herbal tinctures prioritize both potency and effectiveness.

Unlike many other companies that employ a uniform alcohol percentage across all products, our approach is nuanced. We tailor the alcohol concentration for each herb based on the distinct medicinal properties of the plant.

This strategy reflects our commitment to a sophisticated extraction of medicinal compounds, effectively setting Apex Botanicals apart in the realm of herbal tinctures.

How should I consume my herbal tincture?

Herbal tinctures are generally taken on an empty stomach (1 hour before and after meals). They can be taken directly or added to 1oz of water if the taste is hard to swallow.

Dosing of herbal tinctures will generally vary from 1 drop once per day up to 1 tsp 3 times per day. When taking anti-microbial herbal tinctures, starting at a lower dose and increasing slowly is the general rule of thumb.

*Be sure to speak with your primary care provider to determine the correct dose for your needs.

How long should I take my herbal tincture for?

The length of time a tincture should be taken will vary considerably based on your state of health, the infection / symptom you’re trying to treat and other medications or treatments you are concurrently taking.

Most people with chronic tick-borne infections take an herbal tincture for between 3 months and 2 years.

As a general rule, its recommended to take an herbal tincture for at least 1 month to see the best results.

Are herbal tinctures safe for children?

Generally speaking, it is safe for children to consume herbal tinctures, but dosing should be adjusted. Refrence 'Clarks Rule' for further information.

*Always consult your primary care provider before starting a new protocol or giving your child herbal tinctures.

Are herbal tinctures safe during pregnancy or while breastfeeding?

Some herbs are strictly contraindicated in pregnancy and should be avoided. We do our best to indicate this on the product information page but are not held liable for any errors or omissions.

If you are pregnant or breastfeeding consult your primary care provider before consuming any herbal tinctures.

Will my herbal tincture interact with medications or supplements?

Interactions of herbal tinctures with medications or supplements do exist. We strongly recommended consulting with your primary care provider or pharmacist before taking any herbal tinctures if you are concerned about potential contraindications.

What does a 1:4 ratio imply and how does it compare to 1:2 or 1:5+?

The ratio describes the concentration of a tincture. We use a 1:4 ratio, meaning 1 part dried herb (in grams) to 4 parts menstruum (the combined alcohol and herb).

A ratio of 1:5 has more liquid to the same amount of herb and is therefore more diluted.

A ratio of 1:10 or higher is very diluted and requires very high daily doses and is not recommended.

Tinctures made at 1:2 are often too concentrated for Lyme patients and commonly induce Herx reactions that can be very intense.

Most tinctures on the market are made at 1:5. We’ve chosen to use 1:4 to ensure greater potency while still being very safe and tolerable.

Does higher alcohol content mean an herbal tincture is more or less potent?

Using the correct alcohol percentage to extract the specific medicinal constituents of that herb is of highest importance when making a tincture. Using more or less alcohol essentially reflects the chemical nature of the compounds that we want to extract into the liquid portion.

A tincture made at 40% versus one made at 80% is not twice at strong. It simply implies that for the first herb, 40% alcohol will optimally extract the medicinal qualities. For the second herb, 80% is the concentration for optimal extraction.

We’ve gone to great lengths to ensure that our tinctures are made using the correct concentrations.

*Please note that not all herbal tinctures on the market are made with the appropriate alcohol concentration so use our site as a reference or conduct your own research to make sure you’re purchasing the best formulated tincture possible.

Click here to read our complete list of Frequently Asked Questions.