Potions have been the traditional solution for medical issues throughout history for populations within witch society. Witches were seen as the doctors of their community, treating people with various ailments (anxiety, pain, muscle spasms, etc.) with their magic brews. This excelled even further in the modern age with the rise of the pharmaceutical industry, with various companies competing with each other for customers. Gone are the days when people visited some witch hut in the woods. Today they can go down to their local pharmacy, stacked with drugs from corporations who produce them. Potion making is difficult and requires much preparation, which can take months or even years depending on the factors. Ingredients must be gathered and brewed in particular ways, requiring a skilled specialist who demands a high price for their services. Corporations spend billions of dollars a year making and promoting new potions, then selling them at premium prices to make back the cost. This can get very expensive, and keeps them out of the hands of less well-off customers who can't afford the high prices. In addition, they are bulky to carry around, and difficult to conceal. Who wants to pull out a glass container at the dinner table when one's symptoms are acting out? The industry has therefore determined a way to make the selling of cures more affordable to reach the hands of more customers.
The obvious solution to this would be to sell medication in pill form. Pills can easily be produced in large quantities for pennies and then sold at outrageous prices. Sometimes meds can be sold for hundreds of dollars a pill, such as Valium, resulting in enormous profit for the companies behind them. They are small and easily packaged, allowing for discretion and lack of shame for its users. On the verge of a nervous breakdown? Sleep deprived? Popping a Voldemortsium will cures what ails ya! These miracle drugs can take the industry to new heights, produced cheaply, in bulk, and sold at premium, racking in billions of dollars a year. This makes perfect business sense, and it would be foolish for any CEO worth his salt to not capitalize on this moment.
What would prevent the pharmaceutical industry from producing their products in bit sized form?