Finally, Supplements Made for Women’s 28-Day Cycle – Not a 24-Hour One

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For girls by girls

Made in the Czech Republic

Clinically tested ingredients

Developed by nutrition experts

31 reviews

InSync with My Cycle – 4 Phases, 1 Box

A pack of 28 sachets, each designed for the exact phase of your cycle. No one-size-fits-all formulas. Just tailored support that adapts to your rhythm.

Comprehensive body nutrition

Hormonal balance support

Designed for real cycle biology

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Support That Shifts with You

Each phase of your cycle has different needs. With InSync, every sachet is designed to match your biology — down to the capsule count.

Menstrual Phase

4 capsules per sachet

This phase can feel draining as your body copes with bleeding and fatigue. Extra iron and minerals help replenish blood and ease common symptoms.

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Ovulation Phase

1 capsules per sachet

Hormones peak, testosterone rises, and libido may increase. It’s the perfect time to support your liver and help detoxify hormones.

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Follicular Phase

2 capsules per sachet

Energy rises and focus sharpens. Supporting estrogen production and cellular nutrition helps fuel growth and motivation.

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Luteal Phase

5 capsules per sachet

As your body prepares for a new cycle, PMS and mood changes can surface. Balancing the nervous and hormonal systems helps reduce discomfort.

Try Luteal Phase

Is InSync Right for You

For women who want to:

Support hormonal balance

Ease irregular or painful cycles

Prepare for pregnancy

Find an all-in-one nutritional solution

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Why Most Supplements Don’t Work for Women

Most supplements are designed around the male hormonal cycle, which resets every 24 hours. But women’s biology follows a 28-day rhythm — with four distinct phases. Each phase needs something different, and yet almost no product respects that.

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Terka – The Founder

"I struggled with PCOS and side effects from birth control. Cycle syncing changed my life — so I built InSync to help other women too."

Take Back Control of Your Cycle

Created by women who’ve been where you are. Supported by science. Tailored for your biology.

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