1. Zinc/copper ratio The zinc-copper ratio is an important aspect to evaluate in patients with ADHD. Both zinc and copper play significant roles in our neurological function and imbalances can impact mood, cognition, and behavior. Studies have shown that children with ADHD often have lower levels of zinc compared to their peers, and some research suggests that zinc supplementation can reduce ADHD symptoms. On the other hand, excess copper can negatively affect neurotransmitter function and has b