Iron, Zinc, and Vitamins C and B6
Several other vitamins and minerals are key to producing and controlling the neurotransmitter levels in the brain, especially when the person is deficient in one of them. Vitamin C is used by the brain to produce neurotransmitters like dopamine and norepinephrine but can interfere with the absorption of medication and should not be taken within an hour or so of taking the ADHD medication.
A study also showed that kids with ADHD are iron-deficient and symptoms improved when supplements were taken. Since vitamin B6 deficiency can cause fatigue and irritability in people with ADHD, taking supplements to raise it to adequate levels can increase alertness. Zinc also help regulate dopamine, and can help the stimulant medication methylphenidate work more effectively by improving the brain’s response to dopamine.
