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Damiana

Turnera diffusa var. aphrodisiaca

Damiana
Wikimedia Commons · H. Zell · Image source · CC BY-SA 3.0

Overview

Used as a stomachic and nervous-system tonic in some traditions; included in formulas for mood and nervous dyspepsia; evidence in course text references preclinical findings (anti-aromatase/estrogenic activity).

Plant family

Turneraceae (listed as Bignoniaceae/Turneraceae in course text)

Parts used

Leaf and stem

Actions

Bitter · Carminative · Nervine · Tonic

Affinities

Digestive · Nervous · Reproductive

Body systems

Digestive · Nervous · Reproductive

Taste profile

Bitter

Tissue states

Traditional use

Traditionally used as an aphrodisiac; used with atonic constipation/bedwetting; used for nervous dyspepsia; used for depression/anxiety states (per course text).

Current use

Used as a stomachic and nervous-system tonic in some traditions; included in formulas for mood and nervous dyspepsia; evidence in course text references preclinical findings (anti-aromatase/estrogenic activity).

Preparation

Infusion (tea): steep 2–4 g dried leaf in 150 mL boiling water for 5–10 minutes, then strain. Liquid extract: 2–4 mL (per course text screenshots).

Dosage guidance

Oral: 2–4 g dried leaf, 3×/day; or 1 cup tea, 3×/day. Tea prep: 2–4 g in 150 mL boiling water, steep 5–10 min, strain. Liquid extract: 2–4 mL.

Cautions & contraindications

Avoid excessive use (contains cyanogenic glycosides and arbutin per course text). Avoid during pregnancy and breastfeeding. Use caution with diabetes or blood sugar medications (possible hypoglycemic effects). Caution with hormone-sensitive conditions per course text (progesterone receptor activity mentioned). Avoid excessive doses; extreme-dose adverse effects described in course text.

Evidence notes

Course text notes: odor aromatic; taste bitter; leaves smooth/pale-green; yellow flowers; capsule one-celled splitting into three pieces. Regulatory status noted in course text: AHPA Botanical Safety Handbook Class 1; appears on FDA GRAS list and is widely used as a food flavoring.