Free guide · Dr. Dan Sullivan, NMD

“Normal” doesn’t always mean optimal.

The labs that actually matter for ADHD, and the ranges most evaluations miss. A free 17-page guide for adults, parents, and anyone tired of being told their results are “fine.”

Something went wrong saving your email. You can still open the guide here: ADHD Lab Testing Guide (PDF).

You're in. Your guide is ready right now, and a copy is on its way to your inbox. Open the guide (PDF) →

Join 560,000+ following Dr. Sullivan · Unsubscribe anytime

Natural ADHD Solutions

The ADHD Lab Testing Guide

What to run, what’s “normal,” and what’s actually optimal.

Dr. Dan Sullivan, NMD

17 pages · PDF

What’s inside

Every marker, what it does for the ADHD brain, the standard range, and the range you actually want to be in.

Iron status, ferritin, and dopamine synthesis

Full thyroid panel beyond TSH

B12, folate, and methylation

Magnesium, zinc, and copper balance

Vitamin D, glucose stability, inflammation

HPA axis and morning cortisol

A printable lab request sheet to bring to your doctor

I’ve had ADHD since my teens. Functional medicine changed how I understood it: not just managing symptoms, but finding what was driving them. That’s how I work with adults and kids now, whether medication is part of the picture or not.

Naturopathic medical doctor, IFM certified
Root-cause approach: labs, nutrition, individualized care
Former D1 hockey player
Trained at Bastyr University California and the Institute for Functional Medicine

Already have your labs? Get your Baseline Score.

Sixty-three questions across nine areas of daily life, scored, so you can watch the number move over the next three months.

Take the Baseline Score →