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Horny Goat Weed

Horny Goat Weed or yin wang huo refers to a Chinese herb derived from 21 related plant species of herbaceous plants in the Berberidaceae family. Horny goat weed contains sterols, which are hormone-like substances found in plants. When they are consumed by humans, they are thought to regulate the levels of the sex hormone testosterone and decrease levels of the stress hormone cortisol in the body.

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