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.
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Saffron Coming soon
Salvia apiana White Sage Coming soon
Salvia miltiorrhiza Dan Shen Coming soon
Salvia officinalis Sage Coming soon
Sambucus nigra Elderflower Coming soon
Sarsaparilla Coming soon
Sceletium tortuosum Kanna Coming soon
Schisandra chinensis Schisandra Coming soon
Schizophyllum commune Split-gill Coming soon
Sea Buckthorn Coming soon
Sea Salt Coming soon
Self-heal Coming soon
Senna alexandrina Senna Coming soon
Serenoa repens Saw Palmetto Coming soon
Shaggy Mane Coming soon
Shatavari Coming soon
Shepherd’s purse Coming soon
Shiitake Coming soon
Silybum marianum Milk Thistle Coming soon
Skullcap (American) Coming soon