Alternatives to Viagra

Do you know any alternatives to Viagra that have the same effect? I would appreciate replies from people who have tried an alternative for Viagra.

Horny goat weed, or yohimbine work similar to Viagra. Be careful with these.

I’ve discovered it’s easier to get rock solid while taking creatine. Not sure if it’s real.

DHEA
ginseng
L-arginine
propionyl-L-carnitine