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Yin Yang Huo

Mens Health

Epimedium koreanum

PregnancyNursing

Last updated Mar 29, 2026

Description

Perennial of East Asian forests; leaf used in TCM as kidney yang tonic and aphrodisiac — extensively researched for bone health and sexual function.

Active Compounds

icariinicariside IIepimedin Aepimedin Bflavonoids

Traditional Uses

Kidney yang deficiency in TCM
Impotence and low libido
Musculoskeletal conditions from kidney deficiency
Used in TCM kidney yang formulas

Modern Uses

Aphrodisiac (PDE-5 inhibition from icariin)
Bone health research
Anti-inflammatory
Estrogenic activity

Dosage Information

Recommended dosing guidelines

Forms: capsule, tablet, tincture, extract, tea
Adult Dose: 6–15 g dried herb as decoction; 500 mg standardized extract (10% icariin) daily
Child Dose: Not established for children
Preparation Notes: Leaf used; combine with Du Zhong and Xu Duan for musculoskeletal support

Safety Information

Not recommended during pregnancy

Not recommended while nursing

Contraindications

Hormone-sensitive conditions
Pregnancy
Cardiac arrhythmias (high doses)

Possible Side Effects

Tachycardia at high doses
Hormonal effects
GI upset
Dizziness

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