Free, in-depth guides on aligning your workouts, nutrition, and daily habits with your menstrual cycle. Written by the Phzse team.
Prefer a tool?
Predict your next period, estimate fertile windows, and get a quick answer before you read the deeper guides.
Need today's answer?
Work out whether you are in your menstrual, follicular, ovulatory, or luteal phase right now.
Understand the 4 menstrual phases, learn how to start cycle syncing, and discover the benefits of aligning your lifestyle with your hormones.
From gentle yoga during menstruation to HIIT during ovulation. Phase-by-phase workout recommendations with sample weekly schedules.
Iron-rich foods during menstruation, fresh foods during follicular, antioxidants during ovulation, complex carbs during luteal. With food tables and sample meal plans.
Start with the complete cycle syncing guide first. It explains the four phases, how hormone patterns shift across the month, and what changes to expect before you jump into workouts or nutrition advice.
The cycle syncing workout guide is the best starting point for training questions. It breaks down what kinds of movement usually feel better during menstrual, follicular, ovulatory, and luteal phases, with sample weekly structure.
The nutrition guide covers that directly. It walks through phase-based food ideas, including iron-rich options during menstruation, fresher lighter meals in the follicular phase, and more grounding foods during the luteal phase.
Use a guide first if you want the big picture, and use a calculator first if you want a quick personalised answer. The cycle calculator predicts your next period and fertile window, while the phase calculator helps you work out what phase you are in today.
Use the free tools to predict your next period or figure out what phase you are in today.