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.
M
Mugwort Coming soon
Muira puama Coming soon
Mustard Coming soon
Myrrh Coming soon
N
Neem leaf Coming soon
Nettle leaf Coming soon
Nettle root Coming soon
Noni Coming soon
Nopal (prickly pear) Coming soon
Nori Coming soon
O
Oak bark Coming soon
Oat (milky tops) Coming soon
Olive leaf Coming soon
Olive oil (extra‑virgin) Coming soon
Ophiocordyceps sinensis Caterpillar Fungus Coming soon
Oregon Grape Coming soon
Origanum vulgare Oregano Coming soon
Oyster mushroom Coming soon
P
Palmaria palmata Dulse Coming soon
Panax ginseng Asian Ginseng Coming soon