Rated 4.7 (1034)
Healyn™ GutStay
Stays in your gut. Not your blood.
Most magnesium leaves your gut. This one stays and draws water in to get things moving
Draws water to gut
Clinically Studied
One Ingredient
No Stimulants. No Cramps.
90 Money Back Guarantee
FREE Shipping Orders $40+
⭐
Third-Party Tested
🏆
GMP Certified
Made in the USA
been taking this since march. same 2 capsules every night. hasn't faded. hasn't stopped. I genuinely cannot believe something this simple works
SELLING OUT FAST
Pure magnesium oxide capsules. One ingredient that draws water into your gut No fillers. No blends. No stimulants.
Shipping Protection
Clinically Proven to Support
Daily Digestive Regularity
Gentle Overnight Relief
Natural Stool Softening
Reduced Bloating
Osmotic Gut Hydration
Magnesium Deficiency Support
Non-Stimulant Formula
Healthy Bowel Function
No Dependency or Cramping
Muscle & Nerve Support
Daily Digestive Regularity
Gentle Overnight Relief
Natural Stool Softening
Reduced Bloating
Osmotic Gut Hydration
Magnesium Deficiency Support
Non-Stimulant Formula
Healthy Bowel Function
No Dependency or Cramping
Muscle & Nerve Support
What Japanese Doctors Figured Out Decades Ago
A simple mineral prescribed for constipation before the West ever caught on.
In Japan, magnesium oxide has been a first-line prescription for constipation for decades. Not a trend. Not a fad. A standard treatment that doctors reach for before anything else.
The reason is simple. Your colon pulls water out of your food as it passes through. When things slow down from stress, hormones, or medication, it pulls out too much. Everything dries up. Gets hard. Gets stuck. It was never a fiber problem. It was a water problem.
Magnesium oxide barely absorbs into your blood. About 4%. The other 96% stays in your intestines. And there it does one thing: pulls water back in through your intestinal walls. Softens everything. Gets it moving. No forcing. No cramps.
That is why fiber made you more bloated. It adds bulk to something already stuck. That is why senna gave you cramps. It forces dry stool through a dry pipe. That is why MiraLAX worked for a week then stopped. They were all solving the wrong problem.
48% of Americans do not get enough magnesium. Your gut feels it first.
Researched In Women Like You
A 4-week clinical trial gave magnesium oxide to women with chronic constipation. Over 70% improved."
Researched In Women Like You
A 4-week clinical trial gave magnesium oxide to women with chronic constipation. Over 70% improved."
You Eat Without Fear Again
No more "will this make it worse?" at every meal. When your gut moves daily, food stops being a math problem and goes back to being food.
You Say Yes to Plans Again
No more checking where the bathroom is. No more cancelling because of bloating. When your gut works, your life opens back up.
Bloating Goes Down
Clothes fit again. That swollen, tight stomach that gets worse by 3pm starts to flatten when your gut empties every morning instead of holding everything in.
Your Energy Comes Back
Magnesium drives over 300 reactions in your body including how you make energy. When you are low on it, you feel it. Tired, sluggish, drained. Fixing the gap brings the spark back.
The Proof, In Numbers
Real findings from published clinical research on magnesium oxide in women with constipation.
70%+
Improved
of women with constipation saw real improvement in bowel regularity within 4 weeks.
96%
Stays in Your Gut
of magnesium oxide remains in your intestines instead of absorbing into your blood. That is the mechanism.
2,176
Patients Studied
in a long-term safety study of daily magnesium oxide use. Confirmed safe in healthy adults.
Findings from published clinical trials on magnesium oxide. 4-week randomized trial in women with mild to moderate constipation (2019). Long-term safety study of 2,176 patients (Japan, 2019). Magnesium oxide is not a treatment for any condition.
Here's Why Single Ingredient Matters
The reason we do not use blends, fillers, or proprietary formulas.
Nothing hidden. Nothing unnecessary.
Most constipation supplements use proprietary blends with 5 to 12 ingredients. You never know what is doing the work. Healyn has one ingredient: magnesium oxide. If it works, you know exactly what worked. If it does not, you know exactly what did not. That is transparency.
Key Benefits
✓No proprietary blends or hidden formulas
✓The full amount is on the label
✓One ingredient you can look up yourself
Low absorption is not a flaw. It is the mechanism.
Most magnesium supplements are designed to absorb into your blood. Good for sleep or anxiety, but the magnesium leaves your gut. Magnesium oxide barely absorbs. 96% stays in your intestines where it draws water in and softens stool. That is the whole point.
Key Benefits
✓96% stays in your intestines
✓Draws water in through osmotic action
✓No stimulants, no forced contractions
The number is on the label, not buried behind it.
Every batch is made in a GMP-certified facility in the USA. Third-party tested by an independent lab for purity and potency. We do not hide behind fancy packaging or vague promises. You get exactly what the label says. Every time.
Key Benefits
✓Third-party tested every batch
✓GMP-certified, USA-made
✓No fillers, no binders, no artificial anything
Not tested on theory. Tested on real constipation.
A clinical trial gave magnesium oxide to women with mild to moderate constipation for 4 weeks. Over 70% saw real improvement. A separate study tracked 2,176 patients taking it daily and confirmed long-term safety. This is not a guess. It is published research.
Key Benefits
✓70%+ improvement in a 4-week clinical trial
✓2,176 patients in a long-term safety study
✓Used as a first-line prescription in Japan for decades
★★★★★ Rated 4.8/5 based on 1000+ verified reviews
Real Women. Real Results.
From women who were done being disappointed by supplements.
Sarah M., 34
✓ Verified
★★★★★
I took MiraLAX for 3 years. It worked, then it stopped, then it made things worse. Switched 4 months ago. Every single morning I go. No cramps. No surprises. Wish someone told me sooner.
Michelle R., 41
✓ Verified
★★★★★
A drawer full of bottles that did nothing. What kept me was one ingredient on the label. By week two I was going every morning for the first time in years. The only supplement I kept taking.
Jennifer L., 38
✓ Verified
★★★★★
I usually call this stuff a scam. One line on the supplement facts. One ingredient. I have not thought about my gut in 5 months. First supplement I actually kept taking.
Amanda K., 29
✓ Verified
★★★★★
Senna put me on the bathroom floor. I was scared to try anything. This does not cramp. Does not force. It draws water in and lets your body do the rest. 6 months, not one bad night.
Rachel T., 36
✓ Verified
★★★★★
I cancelled plans because of bloating. Stopped wearing jeans. Stopped saying yes. This gave my life back. Every morning like clockwork. If you know you know.
The Questions You're Actually Asking
If you've been burned before, you should be skeptical. Here are the straight answers.
I drink plenty of water. Why am I still constipated?
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Because the water you drink gets absorbed in your small intestine, long before it reaches your colon. You can drink a gallon a day and your colon might never see any of it.
That is why staying hydrated alone does not fix constipation.
Magnesium oxide works differently. It sits in your colon and pulls water through your intestinal walls from the inside. It gets water to the exact place your body is removing too much of it.
Drinking water is still important when you take it because it gives your body more water to pull in.
But the magnesium is what directs it to the right place.
I have endometriosis / I'm on progesterone. Will this work for me?
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Progesterone slows your gut motility. When things move slower, your colon pulls out more water, which dries out your stool. That is why progesterone, whether from birth control or your natural cycle, makes constipation worse.
Magnesium oxide works by putting that water back. It does not interfere with your hormones or medications. It just adds water where your colon is removing too much.
Many women with endo and hormonal constipation find this helpful because it addresses the water problem directly instead of trying to force movement through an already slow system.
How do I take it? Do I have to time it around meals?
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Take 2 capsules with a full glass of water at bedtime. That is the whole routine.
For best results, take them at least 2 hours after your last meal. If you eat dinner late, just take them right before you fall asleep.
By morning, things move.
Take them every night for consistent results. You can skip a night here and there if you want.
There is no complicated timing, no mixing, no measuring.
My doctor just tells me to eat more fiber. Fiber makes things worse for me. What's going on?
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You are not imagining it.
Fiber adds bulk to your stool. If your stool is already dry and stuck, adding more bulk just packs more dry mass into a pipe that is not moving.
That is why it makes you more bloated instead of more regular.
The real issue for many women is not a lack of fiber. It is a lack of water inside the colon. Your colon is pulling out too much moisture and everything is drying up.
Magnesium oxide puts water back where fiber cannot reach. It does not add bulk. It adds moisture.
That is why it works when fiber made things worse.
Can I take this with my other medications?
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Magnesium can interact with certain antibiotics, blood pressure medications, and a few other drugs.
The simple rule: take it at least 2 hours apart from your other medications.
If you take prescription medication or have a medical condition, check with your doctor or pharmacist before starting.
This is standard advice for any mineral supplement.
What To Expect, Week By Week
Weeks 1-2
Your First Morning
Two capsules at bedtime. By morning, things move. Soft, easy, complete. The relief hits fast.
Weeks 3-4
The Routine Sets In
Bloating goes down. Clothes fit again. You stop wondering "will I go today?" because you already did.
Weeks 5-8
You Stop Thinking About It
You eat without fear. You say yes to plans. The notebook, the tracking, the midnight Googling. All gone.
Weeks 9-12+
You Just Live
You are not the girl with the stomach issues anymore. You are just a girl who takes two capsules before bed.
REVIEWED BY OUR ADVISOR
Dr. Lana Helen Brooke
Gastroenterologist & Clinical Nutrition Researcher Healyn Scientific Advisor
"The low bioavailability of magnesium oxide is often misunderstood. For systemic supplementation, yes, higher absorption is better. For osmotic bowel support, low absorption is the mechanism of action. It is not a limitation. It is the reason it works."