A is Amp or Amphetamine. It's a drug that helps you study at low doses and boost concentration, memory, helps ADHD, and confidence. The dose range of A is 5mg to 60mg+.
Um. It's like... the first letter in see alphabet. It's... a vowel. Meaning It's pretty common in like... words and stuff? I can't believe you had to search upthe definition. "A" looks like that. And that ---> a