Trusted by over 5,000 happy women

Relief That Works With Your Body — Not Against It

Menstrual Phase

$2.60

Targeted nutrients that help you replenish, relax, and restore balance during your period.

Feel lighter, calmer, and more in control every month.

Backed by science

Made in the EU

30-day Guarantee

Sophie M.

Verified customer

October 2, 2025

"Day one cramps used to knock me out — this actually made them manageable. I felt lighter and way less tired."

What's Inside?

1 sachet contains 4 capsules — carefully formulated to support your body during menstruation.


These nutrients work together to reduce cramps, ease fatigue, and help you feel replenished and calm.

Magnesium • Iron • Potassium • Vitamin C • B-Complex (B1, B6, B9, B12) • Zinc • Selenium • Curcumin • Quercetin • Piperine

💫 Want Full Support for Every Phase?

Contains 28 sachets

A complete 28-day system that includes all four phases: Menstrual, Follicular, Ovulation, and Luteal.

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Description

This phase is all about recovery. Your body is releasing and renewing, and it needs gentle, complete support.
InSync helps reduce cramps, ease muscle tension, and restore minerals so you can feel more balanced and energized.

 

Perfect for:

Women who experience PMS or painful periods

Those feeling drained or fatigued during menstruation

Anyone wanting natural comfort and faster recovery

How To Use

Take 4 capsules daily with water after breakfast or a light meal.


Start on the first day of your period and continue until you feel balanced again.

 

💧 Stay hydrated — magnesium and electrolytes absorb best with fluids.


💡 If your period lasts fewer than six days, save the rest for next month.

For girls by girls

Made in the Czech Republic

Clinically tested ingredients

Developed by nutrition experts

GMP standards

Made in the EU

certified chemist formulated

Third-party tested

100% recyclable packaging

What’s happening in your body:

Your hormones are at their lowest, your uterus is contracting, and your body is releasing the lining it built all month.


This can lead to cramps, low energy, mood dips, and nutrient loss — especially iron and magnesium.

How InSync Helps

WHEN TO TAKE:

During your period

FEELS LIKE:

Calm and restored

SUPPORTS:

Cramps, Energy, Hydration

FYI:

Vegan • Gluten-Free • Cruelty-Free

Relief that replenishes and restores.

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."

MENSTRUAL PHASE (Days 1–6)

🕒 How and When to Take

Start on the first day of your period and continue daily until your flow ends. 

 

Take all 4 capsules together with water after breakfast or a small meal.
Pair with a tall glass of water or herbal tea to stay hydrated.

The Science in Every Capsule

Formulated by our in-house chemist, made in the EU, and tested for purity and safety.

View Full Ingredients

Magnesium glycinate, potassium chloride, capsule: hydroxypropylmethylcellulose, Japanese pagoda tree (Sophora japonica) - resin extract (98% quercetin), turmeric (Curcuma longa) - root extract (98% curcumin), sodium chloride, liposomal vitamin C, ferrous glycinate, zinc glycinate, manganese glycinate, black pepper (Piper nigrum) - fruit extract (98% extract), vitamin B6 (pyridoxine hydrochloride), vitamin B1 (thiamine), vitamin B9 (methylfolate), selenomethionine, vitamin B12 (cyanocobalamin).

Generic Multivitamins

“Hormone Balance” Gummies

Designed for Women’s 28-Day Cycle

Phase-Specific Nutrition

Backed by Science

Natural & Gentle

Recyclable Packaging

Built on Biology, Not Guesswork

Generic vitamins treat every day the same. InSync’s phase-based system adapts to your changing hormones — delivering targeted nutrition when your body needs it most.

Try InSync Today

Everything You Need to Know Before You Start

When should I take it?

Start on the first day of your period and take one sachet daily until your flow ends.

Can I take it alongside birth control or other supplements?

Yes — InSync supports natural balance and doesn’t interfere with hormonal contraception.

Will I notice results right away?

Most women feel calmer and less fatigued within the first day or two. Consistency builds better comfort over time.

Is it safe for teens?

Yes, suitable for ages 12 and up.

What if my period is shorter or longer?

Take it for as many days as you need. Save any extras for your next cycle.

Is it vegan and safe for sensitive stomachs?

Absolutely. It’s vegan, gluten-free, cruelty-free, and formulated to be gentle on digestion.

Can I use this instead of painkillers?

InSync helps your body recover naturally — many women find they rely less on pain relief after using it regularly.

🌸 Our Promise

No one-size-fits-all formulas.


No synthetic fillers.


Just clean, science-backed nutrients that help you feel good in your body — every phase, every month.

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