Buy Gabapentin Online is a prescription medication known as a gamma-aminobutyric acid (GABA) analogue. There are two different forms of gabapentin: brand-name and generic. pills of gabapentin. Neurontin or generic gabapentin comes in 600- and 800-milligram pills, whereas Grace comes in 300- and 600-milligram tablets. Although gabapentin is not addictive, it is nevertheless possible to abuse it. Only a few studies have documented gabapentin abuse and overuse.