Where to buy yohimbine?

Pharmacies, online & Yohimbine is available from pharmacies with a prescription, but can also be found over the counter at supplement stores like gnc and also can be purchased online at sites like amazon: http://www.Amazon.Com/gp/search?Ie=utf8&camp=1789&creative=9325&index=aps&keywords=yohimbine&linkcode=ur2&tag=techsoacom-20.