This tablet is manufactured by Upstate Pharma, and they list it as containing 20mgs of Methylphenidate, which is a stimulant that is most commonly used to treat ADHD, and narcolepsy. NDC: 65580-0532
The FDA warns that it carries the risk of being habit forming, and may cause side effects, such as nausea, dizziness, headache, insomnia, irritability, and anorexia.