As someone who takes an ADHD medication, I find the idea of a drug shortage terrifying. Life gets so, so much harder when I'm unmedicated.
It's like the difference between walking on a sidewalk and walking in sucking mud, with stuff falling out of your pockets you have to keep going back to find. You build a life that's only possible thanks to your ability to walk on sidewalks. If you suddenly find you can only get around by walking through mud, even with a huge amount of will power, you're going to watch your life fall apart as you just can't keep up the pace of your old life.
As a fellow ADD-haver, I advocate for you to continue trying new medications. Studies show that ADD/ADHD responds to medicine better than almost any other psychiatric disorder, even if it sometimes requires multiple revisions or a cocktail to achieve the desired effect.
If you're intrigued, I will refer you to this lecture by Dr. Barkley. The entire lecture is valuable, though I recognize that asking someone to watch 60+ minutes of jargon is not overly helpful! To make things easier -- if you'll pardon my layman's editorializing -- I've curated a list of specifically relevant timestamps: