Yohimbine hydrochloride, a chemical found specifically in the herb yohimbe. It is an alpha-two antagonist used for the reversal of the sedative effects of xylazine. ebiochem.com

Yohimbine hydrochloride is a synthetic indole alkaloid. It is a selective competitive

alpha-two-adrenergic receptor antagonist. The reversal of the sedative effects of xylazine by yohimbine is rapid, usually 2-10 minutes. Yohimbine also reverses any cardiac side-effects, such as arrhythmia and bradycardia, which may occur when xylazine is administered alone. ebiochem.com

Yohimbine(Antagonil) has been used as a mydriatic and in the treatment of impotence. It is also alleged to be an aphrodisiac. Yohimbine has been shown to be effective in the reversal of sexual satiety and exhaustion in male rats. Controlled studies suggest that it is an effective treatment for impotence, and evidence of increased sex drive (libido) is anecdotal. ebiochem.com

A study found that taking oral yohimbine may actuate significant fat loss in athletes. Numerous bodybuilding supplement companies sell formulations of yohimbine for transdermal delivery to effect a local reduction of adipose tissue, although the experimental evidence for its efficacy is limited. ebiochem.com