I have ADHD and I’ve used CBD oil. I don’t think it lessens executive functions. That’s THC. CBD has only trace amounts of THC. Give it a try. If it doesn’t help then stop it. Make sure it’s organic and from a reputiable spot. UnnaGoods.com is a great spot to get it from. I’ve used their stuff and it works. Right now you can’t buy it off the site directly, but contact them and they will get you some. I think a tinture is about $40. Well worth it.