A potion, on the other hand, was out of reach for the average student because it was viewed as a form of risky contraband in some contexts.
After giving it some thought, he came to the conclusion that Harry, who was in no way connected to the Adam family in any manner, would be the most acceptable person to approach about acquiring a potion from and that he should enquire about doing so. In spite of the fact that he could have asked his uncle Val for a potion, he decided against doing so since he was uncomfortable with the idea of being seen by other ones.
As a result, he did not do so.
There was a good chance that Val was keeping a vigilant eye on him while also providing him with some form of discretionary protection.