Yes, Adderall 30 mg is legal to buy but it’s only prescription-based medication, so you need a prescription before buying because many people misuse this type of medication. Adderall 30 MG is used as a high Dose of ADHD Treatment. This medicine stimulates your brain & Improves focus and increases the dopamine levels in the brain. Buy The Best Quality 30 MG Adderall from HRx Pharma. Adderall is a combination of two salts that are called amphetamine and dextroamphetamine and it is a prescription-based medication that is used for attention-deficit hyperactivity disorder (ADHD) patients, Attention Deficit Disorder (ADD) patients, and used in narcolepsy treatments. Those salts work on our part of the brain and nerves which are responsible for hyperactive patients.