Nan Bao

Nan Bao (男宝) is a formula of Chinese herbs purported to increase the male libido. It is available from a variety of suppliers in similar formulations.

The capsules typically contain an amount of icariin, a substance commonly derived from "Horny Goat Weed" leaf and considered an aphrodisiac.

Ingredients
One formulation lists ingredients as follows:
 * root of Panax Ginseng
 * root of Dong Quai
 * rhizome Curculigo
 * root of Astragalus
 * Poria sclerotium
 * Psoralea fruit
 * Rehmannia cured root tuber
 * Bai-zhu atractylodes rhizome
 * Cynomorium fleshy stem
 * Palm-leaf Raspberry fruit
 * Sichuan Teasel root
 * Lycium fruit
 * Tree Peony root bark
 * Japanese Dodder seed
 * Cassia bark
 * Chinese Licorice root
 * Morinda root
 * Achyranthes root
 * Fenugreek seed
 * Cistanche tubulosa (Desert Broomrape) stem
 * Epimedium ("Horny Goat Weed") leaf
 * Ophiopogon tuber