Period Proof

Eat, train and thrive by your cycle
Everything you need to know about what happens to your body through your monthly cycle, why it matters, and how to work with your hormones to unlock your highest potential.

Do you know the four phases of your menstrual cycle? When you should be taking it easy or pushing for a PB? Why some days you feel like eating everything in sight whereas others you feel great fasting until lunchtime?

This book is everything you need to know to better understand your body, your workouts, your diet, and your mood.

Full of tips, tricks, life advice and doctor reviewed science, Stef Williams will empower you to feel your best self and stay consistent throughout your cycle.
This book will feature:
- A deep dive into the four phases of your menstrual cycle
- Workout recommendations
- Nutritional guidance reviewed by a dietician
- Information on the key hormonal challenges women face including PCOS, endometriosis and fibroids

For too long women have been given the one-size-fits-all approach to exercise, nutrition and mental health. This book is for anyone who has been left feeling exhausted, confused or let down by the current advice out there, and will show you how to not only cope with your monthly cycle, but to harness its power to your advantage.

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK as soon as stock is available.
• UK mainland orders typically arrive within 3-7 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 30 working days

View our full delivery infomation here.