As an adult who feels like they identify with these characteristics, it is hard to know when to try to get help, or whether you are just seeing what you want to see and looking for an excuse. I have always shied away from seeking an adult ADHD diagnosis, partly because of prideful denial (not wanting to acknowledge that there might be something wrong with me), and partly because I have no faith in the NHS giving a sh…
ADHD is supposed to be a diagnosis of last resort that they give after eliminating all other possibilities. It's useful to know the root cause of whatever problems you may be having.
Some studies and some individuals report benefiting from certain nutritional supplements if you get a diagnosis and want to treat it without medication per se.