No.1 Best-Selling Book

Beating Brain Fog

Your 30-Day Plan to Think Faster, Sharper, Better

Say goodbye to forgetfulness, fuzzy thinking and fatigue. In this practical and compassionate guide, Dr Sabina Brennan shows you how to clear brain fog and reclaim clarity, focus and confidence in just 30 days.

Where to Buy

About the Book

What’s Inside?

Beating Brain Fog is a science-based, step-by-step guide designed to help people struggling with brain fog. In this  Irish Times No 1 bestseller, Dr Sabina Brennan, empowers you to tackle brain fog at its roots with scientific strategies that work.

What You will Learn

Praise & Reviews

What Readers & Critics Say

Good Housekeeping
'A brilliant new book.'
Dr. Harry Barry
'A must-read. Dr. Sabina Brennan enters a world so many of us can relate to, yet few dare discuss.'
Dermot Whelan
'A real game-changer. Do your brain a favour and read this book.'
Amazon
'Validating, practical, and incredibly reassuring.'

Beating Brain Fog offers a practical, neuroscience-backed plan to improve clarity, focus, and memory — all in just 30 days.

Learn how sleep, stress, nutrition, and hormones affect your brain — and how to reset them for better function.

Simple strategies for concentration, cognitive energy, and emotional balance — designed for real life.

This guide doesn’t just treat symptoms. It empowers you to build a brain-health lifestyle that keeps fog at bay long term.

Beating Brain Fog

Brain fog is not just in your head. It’s real - and you can overcome it.

Dr Sabina Brennan