It can be and you can lose money in a heartbeat. This is a link to another board and the moderators are straightforward. If you're thinking of buying and you're a new investor you may want to ask their thoughts.
I do caution you don't get caught up in the penny stock hype first. There is a reason why those stocks are only selling for a penny. Usually no income, assets or revenue. Welcome to the world's largest casino.
For those who understand no explanation is needed, ...For those who don't none will.