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Colon reset

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★★★★★ Rated 4.87 Excellent 3,218 Reviews

Bloated, Constipated, and Haven't Gone In Days? This Is The Japanese Oxygen Cleanse That Works Overnight.

Over 3,000 women have made the switch from laxatives, stool softeners, and fiber that never worked to this ancient Japanese oxygen cleanse their doctors never mentioned.

Take At Bedtime, Relief By Morning
Wake Up Lighter & Flatter
No Cramping, No Urgency, No Rushing
Not A Laxative, Non-Habit Forming
Laxatives irritate your gut to force movement. This is different. It releases oxygen for 18 hours through all 25 feet of your intestines, loosening years of buildup so your body eliminates it on its own.
120-day money-back guarantee. Run the full cleanse. If you don't feel lighter, less bloated, and finally regular, every penny back. No questions asked.
4.9 ★★★★★
"I went from going once every 5 or 6 days to every single morning. No cramping, no urgency. I actually forgot what it felt like to not be bloated."
Sharon
Sharon · Verified Buyer

In Japan, magnesium oxide is part of the daily routine for millions of people. In America, most people have never heard of it, so they reach for laxatives, stool softeners, and fiber, and stay bloated anyway.

Oxy Cleanse is that Japanese approach in a capsule. Ozonated magnesium oxide that releases oxygen through your digestive tract for up to 18 hours. It does not irritate the gut to force movement. The oxygen works across all 25 feet of your intestines, loosening old buildup and softening it with water so your body eliminates it on its own. No cramping, no urgency, nothing habit forming.

Each serving: 1,400 mg magnesium from ozonated magnesium oxides + natural citric acid from tapioca. Vegetable capsules, Non-GMO, and nothing else.

Two active ingredients. No proprietary blend, no filler stack, no mystery.

Ozonated Magnesium Oxides, 1,400 mg Releases oxygen slowly through your intestines for up to 18 hours while drawing water into the colon to soften waste.
Natural Citric Acid, 90 mg Activates the oxygen release on contact with stomach acid. Sourced from tapioca.
Vegetable Capsule + Organic Gum Acacia Plant-based capsule and organic binder. Nothing else in the bottle.

Start with 2 capsules at bedtime on an empty stomach with a large glass of water. If you haven't gone by the next evening, add 1 to 2 capsules the following night until you find your dose (up to 4 capsules).

Week 1: Take nightly to complete the cleanse.

After that: Maintenance only. A couple nights a week for some, once or twice a month for others. You dial it to your body.

120-day money-back guarantee. Run the full cleanse, live on maintenance for weeks after. If you don't feel lighter, less bloated, and finally regular, contact us for a full refund. Every penny back.

Orders ship within 1 to 2 business days. Free tracked shipping on qualifying orders.

View full details
★★★★★

Real People. Real Relief

Why people who tried everything take it every single night

5.0 ★★★★★

"This bottle is almost empty and I'm not scared of that." I leaned on laxatives for years and quitting them was the whole reason I tried this. It never forces anything, so there's no cramping and no emergencies. Did the 6-day cleanse, now it's just a couple of nights a week. Reordered before I even finished it.

PW
PAULA W.
✔ VERIFIED CUSTOMER
Off LaxativesNo Cramping
5.0 ★★★★★

"My sister-in-law is Japanese and she handed me four of these after dinner." I looked pregnant after sushi and had to unbutton my pants at the table. The next morning was, and I say this with respect, the elimination of a lifetime. Ordered my own bottle in the parking lot of my gym. It lives on my nightstand now.

KM
KAYLA M.
✔ VERIFIED CUSTOMER
The Japan StoryDebloated
4.9 ★★★★★

"This is my backup bottle. I don't run out of this one." Desk job, protein-heavy diet, and I was going maybe twice a week and feeling heavy every single day. Took 4 at bedtime, woke up a different person. I genuinely think there was stuff in there from college. Lighter, clearer head, better mornings.

TJ
TREY J.
✔ VERIFIED CUSTOMER
Stocked UpFeels Lighter
5.0 ★★★★★

"I have a drawer full of detox teas that did nothing." Juice cleanses, fiber gummies, the teas, all of it. I ate clean and still ballooned after a glass of water. This is the first thing that actually emptied me out without a single cramp. I'm flatter this month than I've been in years and I'm not even being dramatic.

DR
DANA R.
✔ VERIFIED CUSTOMER
Tried EverythingFinally Flat
4.9 ★★★★★

"Start with two, trust the process." First night, nothing, and I almost wrote it off. Added a capsule the second night like the directions say and the morning after that made me a believer. Found my sweet spot at three, did the 6 days, and now it's twice a month. It works slow because it's working the whole 25 feet.

MC
MONICA C.
✔ VERIFIED CUSTOMER
Found The DoseMaintenance Mode
5.0 ★★★★★

"I'm not going to claim it changed my life. It changed my mornings." I was skeptical of anything with the word cleanse on it. But it's two ingredients, it's gentle, and I go every morning now without thinking about it, which past me would not believe. Ran it by my doctor first, which you should too.

HB
HANK B.
✔ VERIFIED CUSTOMER
Honest ReviewEvery Morning

I'm a Japanese Gastroenterologist.
This Is What I Prescribe First.

Not MiraLAX. Not fiber. Not a stimulant laxative.

Dr. Makoto Sato consulting with a patient

I treated chronic constipation in Tokyo for 23 years before moving to the US. In Japan, every gastroenterologist reaches for the same thing first. Here in America, most women I see have never even heard of it.

"Your body is not broken. Your intestinal walls are coated in waste your body cannot shed on its own. That's what I fix first."

Dr. Makoto Sato · Gastroenterologist · Tokyo & US

Prescribed Yearly

10M+

Japanese patients. First-line.

What Does The Cleanse
Actually Look Like?

What Does
The Cleanse Actually
Look Like?

Night 1

Two capsules at bedtime on an empty stomach with a big glass of water. That's it. No taste, no prep, no sitting near a bathroom. While you sleep, the capsules meet your stomach acid and begin releasing oxygen through your intestines. Gently.

The first elimination. For some it comes the first morning, for others it takes a night or two of adding a capsule, because the oxygen has 25 feet of ground to cover and it doesn't rush. When it arrives, there's no cramping and no emergency. Just relief, and usually more of it than you expected.

Day 2
Day 6

The full cleanse is complete. Six days at your dose means the oxygen has worked through buildup that's been sitting there for months, maybe years. Most people describe this week the same way: lighter, flatter, less heavy, like something that was always in the way finally isn't.*

The bloat pattern breaks. This is when people notice a meal no longer decides how their pants fit, and a glass of water doesn't balloon them anymore. You stop planning your outfit, your day, and your mood around your stomach.*

2 Weeks
1 Month

Maintenance mode. A couple of capsules a few nights a week for some people, once or twice a month for others. A cleaner gut supports better nutrient absorption, and many people say their supplements and meals finally feel like they're doing something.*

It becomes what it already is in Japan: a routine, not a rescue. Millions of people there take magnesium oxide as part of daily life, and regular simply stays normal. No dependence, no escalating doses, nothing to wean off. That's the whole difference from the laxative cycle.

Ongoing

The Oxygen Cleanse vs.
Laxatives & Stool Softeners

CORE OXY-POWDER
Laxatives &
Stool
Softeners
Laxatives & Stool Softeners
Releases Oxygen For 18 Hours
Works With Your Body
Irritates The Gut Lining
Forces Movement
Gentle And Comfortable
No Cramping, No Urgency
Cramping And Urgency
Your Day Plans Around It
Non Habit Forming
Use Less Over Time
Bowel Adapts And Weakens
You Need More Over Time
Cleanses All 25 Feet
Loosens Old Buildup
Moves Today's Waste Only
The Buildup Stays Behind
2 Clean Ingredients
Ozonated Magnesium + Tapioca
Stimulants And Synthetics
Check The Back Of The Box
A Daily Routine In Japan
Used By Millions For Decades
A Quick Fix On Repeat
That Never Fixes Anything

120-day money-back guarantee

Comparison based on commonly available stimulant laxatives and stool softeners. Always read the label of any product you use. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Customer Reviews
4.87
★★★★★
Based on 3,218 reviews
★★★★★
my japanese sister-in-law was right and i owe her an apology
i looked four months pregnant after a sushi dinner and she handed me four of these like it was nothing. the next morning i understood why japan doesn't talk about constipation the way we do. i've done the teas, the juice cleanses, the clean eating. none of it did what one night of this did. ordered my own bottle immediately
Kayla M. · Verified Purchase
★★★★★
years on laxatives. this got me off them.
laxatives were the only thing that worked for me and i hated needing them more and more. this is a completely different feeling. no cramps, no racing to the bathroom, no dreading it. did the 6 day cleanse, now i take it a couple nights a week. i genuinely didn't think i'd ever be a regular person again
Paula W. · Verified Purchase
★★★★★
i think there was stuff in there from college
desk job, protein heavy diet, going maybe twice a week and feeling heavy every day. took 4 at bedtime with a big glass of water. what happened the next morning was honestly disturbing and also the best i've felt in years. lighter, flatter, head clearer. i keep a backup bottle now because i'm not risking running out
Trey J. · Verified Purchase
★★★★
works great, just don't expect it on night one
first night nothing happened and i almost returned it. read the directions again, added a capsule the second night, and the third morning changed my mind completely. it says 18 to 72 hours for a reason, it's covering 25 feet of intestines and it doesn't rush. taking off a star for the wait, not the results. be patient
Monica C. · Verified Purchase
★★★★★
the drawer of detox teas is officially retired
i own every bloat tea on the market and my stomach still ballooned from a glass of water. this emptied me out in a way no tea ever came close to, and there was zero cramping which is more than i can say for half those teas. i'm flatter this month than i've been in years. wish i found this before i funded the entire tea industry
Dana R. · Verified Purchase
★★★★★
showed the label to my doctor first, then went all in
i'm on medication so i don't start anything without asking. two ingredients made that conversation short. she had no issue with it. it's been months now and mornings are just automatic, no thinking, no forcing, no planning my day around my stomach. if you're skeptical of the word cleanse like i was, this is the boring responsible version
Hank B. · Verified Purchase

Join thousands who wake up lighter every single morning.

◎ 120-Day Money-Back Guarantee

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual experiences vary.

Questions People Ask
Before They Order

Is this just a laxative with better marketing? +
No, and the difference is the entire product. Laxatives work by irritating the gut lining to force movement, which is why they cramp and why the bowel needs more of them over time. Oxy-Powder is an oxygen cleanse. The ozonated magnesium oxide releases oxygen slowly through your intestines for up to 18 hours, loosening buildup and drawing water in to soften it, so your body eliminates on its own. Nothing is forced, and it is non habit forming.
Will I be stuck in the bathroom? I have work. +
This is everyone's first fear, and it comes from laxative experiences. Oxy-Powder doesn't work like that. There is no cramping, no sudden urgency, and no emergencies, because nothing is being forced. You take it at bedtime, it works gently overnight, and elimination comes comfortably. If it's your first time, start on a night where the next morning is at home, purely for peace of mind. Most people find out quickly that they never needed the precaution.
What if nothing happens the first night? +
Completely normal, and it doesn't mean it isn't working. It has 25 feet of intestines to travel, so it can take anywhere from 18 to 72 hours depending on your body and how backed up things are. Start with 2 capsules at bedtime with a big glass of water. If you haven't gone by the next evening, add a capsule that night, up to the full 4-capsule serving, until you find your dose. Slow is the point. Slow is why it's gentle.
Will I become dependent on it like laxatives? +
No. Laxative dependency happens because forced irritation teaches the bowel to do less of its own work. Oxy-Powder doesn't force anything, so there's nothing to become dependent on. The usage pattern proves it: people start with a 6-day cleanse and then need less over time, not more. A few nights a week for some, once or twice a month for others. In Japan, millions of people have used magnesium oxide this way for decades as a routine, not an escalating need.
1,400mg of magnesium sounds like a lot. Is that safe? +
Fair question, and here's the context. This isn't a daily magnesium supplement where the goal is absorption into your bloodstream. It's ozonated magnesium oxide, designed to carry oxygen and do its work inside the digestive tract, and it's taken as a cleanse serving as directed, not as an all-day mineral top-up. Follow the directions, drink plenty of water, and if you have kidney concerns or any medical condition, check with your doctor first. We'd rather you ask than assume.
Can I take it with my medication, or while pregnant or nursing? +
Talk to your doctor or pharmacist first, and we mean that. We can't give medical advice and we'd rather say so plainly than guess. The good news is the conversation is short: there are only two active ingredients on the label, ozonated magnesium oxides and natural citric acid from tapioca. Bring the bottle or a photo of the Supplement Facts panel to your appointment. Plenty of customers do exactly that before starting.
How is this different from magnesium citrate or detox teas? +
Magnesium citrate is a fast osmotic flush: it pulls water in quickly, which is why it's sold for pre-procedure prep and why the experience is urgent and unpleasant. Detox teas mostly rely on senna, which is a stimulant laxative wearing a wellness costume. Oxy-Powder is slower and different by design: oxygen released over 18 hours across all 25 feet, loosening old buildup the others never touch, with no urgency and no stimulant effect. That's why it took its own category in Japan instead of joining theirs.
How do I take it, and how long does a bottle last? +
Start with 2 capsules at bedtime on an empty stomach with a large glass of water, and adjust by 1 to 2 capsules a night until you find your dose, up to the full 4-capsule serving. Hold that dose for 6 days for a complete cleanse, then drop to maintenance. A bottle holds 60 capsules, which covers the full cleanse plus weeks of maintenance for most people. If you're doing the cleanse and setting up a nightly-to-weekly routine after, that's exactly what the multi-bottle bundles are for.
When will it arrive? +
Orders typically ship within 24 to 48 hours of being placed. Most customers receive their order within 5 to 7 business days. You will receive a tracking link by email as soon as your order ships so you can follow it the whole way.
What is your return policy? +
Every order is backed by our 120-day money-back guarantee. That's enough time to run the full 6-day cleanse and months of maintenance after it. If you don't feel lighter, less bloated, and finally regular, contact us and we will make it right. No questions asked.

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Consult your healthcare provider before use, especially if you are pregnant, nursing, taking medication, or have a medical condition.