Profiderall is what's called a Cognitive Energy Enhancer. It is a supplement that is claimed to increase focus, concentration, and energy, like Adderall... but without a prescription. It isn't designed to be an alternative to ADD/ADHD treatment.
You can order them form the catalog on webkinz.com, or you can buy them in stores. I'm sure you can also buy them on eBay and amazon. Alot of stores have them as well, including card stores, toy stores, and drugstores.