How to use this page
- Search by Latin or common name (e.g., Achillea, yarrow).
- Jump A–Z to scan alphabetically (use “0–9” for numerals).
- Filter by Action (e.g., astringent), Preparation (tincture, infusion), or System (digestive, immune).
- Reset with Clear to see the full index again.
What an entry includes
- Scientific + common names, parts used, primary actions, systems, preparations.
- Safety snapshot and links to related Studies when available.
- Consistent black-and-white, field-guide style illustrations for quick recognition.
Editorial standards: Educational, research-aware, and non-diagnostic. See our Editorial Policy and Sourcing & Citations.
Medical disclaimer: For general education only. Consult a qualified practitioner about individual use, especially with medications, pregnancy, or medical conditions.
Materia Medica A – Z
Our herbal encyclopedia with preparations, uses, safety notes, and research references.
H
Horseradish Coming soon
Horsetail Coming soon
Hyssop Coming soon
I
Iceland moss Coming soon
Irish moss Coming soon
Isatis (Ban Lan Gen) Coming soon
J
Jiaogulan Coming soon
Jojoba oil (liquid wax) Coming soon
Jujube date Coming soon
Juniper berry Coming soon
K
Kalmegh (Andrographis) Coming soon
Kaolin clay Coming soon
Kava kava Coming soon
Kelp (Laminaria) Coming soon
Khella Coming soon
Khella (seeds) Coming soon
Kudzu Coming soon
Kutki Coming soon
L
Lady’s mantle Coming soon
Lanolin (wool wax) Coming soon