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18-year gastroenterologist: i found the reason why your bad breath won't go away and nothing helps

We All Kept Failing for the Same Reason. I Studied 41,847 People With Bad Breath And That Explained What Every Dentist Missed.

By Dr. Richardsons

18-Year Gastroenterologist In Los Angeles, California.

April 2nd, 2026

7360+ Ratings

7360+ Ratings

Bad breath. That stale, sour taste that never fully goes away.

 

Nothing works.

 

And I couldn't understand why.

 

It seemed like I was doing everything right. But nothing helped.

 

I felt broken. Like my body was working against me.

 

I felt cursed. Maybe even like I was born wrong.

 

And nobody gets what this does to you. How it takes over everything.

 

For everyone else it's just a small thing. But for me it was everything.

 

How exhausting it is to just... exist around other people.

 

I felt exactly the same way for six years.

 

Until...

 

I found 41,847 people living the exact same hell.

I opened the thread expecting the usual advice.

 

Mouthwash. Dentist. Drink more water.

 

Instead I saw thousands of people using my exact words:

Different people. Different cities. Different backgrounds. But everyone used the same words to describe how it feels.

 

Not similar words. The exact same ones.

 

There was a reason for that.

 

And buried in comment #1,847, someone explained why every single thing we'd tried had failed...

Then I Saw Something That Made No Sense

Buried in comment #1,847, someone had written something that made no sense to me.

 

Something that would explain why every single thing I'd tried had failed.

That's it. No explanation. No pitch.

 

Just... information.

 

Like they were tired of explaining it.

 

I stared at those words for twenty minutes.

 

Your gut?

 

Not your mouth?

 

I'd spent 6 years scraping my tongue until it hurt.

 

€14,000 on dental work.

 

TheraBreath bottles in every room of my house.

 

Mints in every pocket, my car, my desk at work.

 

And it wasn't my mouth?

 

At 1 AM, I found the study.

 

"American Journal of Surgery, 1947"

 

It was about colostomy patients. People whose digestive systems were rerouted surgically.

 

They had the same problem. Terrible smell. Couldn't get close to people.

 

But the odor wasn't coming from their mouth. It was coming from their gut.

 

And here's what the study found:

 

Give them chlorophyllin, a natural compound derived from chlorophyll. It binds to the sulfur compounds causing the smell.

 

48 hours later.

 

No smell. The odor? Gone.

 

Same smell we have. Just coming out a different way.

If chlorophyllin could stop the smell at the gut level for hospital patients...

 

And my dentist kept saying my mouth was perfectly healthy...

 

What if my smell wasn't coming FROM my mouth either?

 

What if it was just coming THROUGH it?

I kept reading. And what I found changed everything.

It Wasn't My Fault. It Was Biology. And Me Not Being Aware Of How It Works.  

Most people's guts naturally keep bacteria balanced and inflammation low.

 

Mine didn't.

 

And it's completely normal.

 

Like lactose intolerant people, my body just doesn't do what it's supposed to.

 

The gut bacteria became imbalanced. Created sulfur gases and toxins. They traveled through my digestive system, into my bloodstream, up to my lungs. 

Came out as breath.
 

Think of it like this:

Your gut is a house on fire. The smoke travels through your blood and comes out your mouth.

 

I'd been trying to clean the smoke from my mouth.

 

While my gut kept burning.

My mouth was just where it came out.

 

Not where it came from.

 

Not my fault. Just biology.

 

Listerine worked for 20 minutes then stopped.

 

It killed mouth bacteria. But the thing is: it kills both good and bad bacteria as the main active ingredient in mouthwash is alcohol.

 

My dentist said "your mouth is perfect."

 

It was. €3,200 in dental work didn't help.

 

Wrong place.

Tongue scraping helped for maybe an hour.

 

But the coating came right back because the source was deeper than my tongue.

 

Probiotics helped a little but never fixed it.

 

They added bacteria, but didn't address what was actually causing the smell in the first place.

 

I'd spent 6 years treating my mouth.

 

The problem was in my gut.

 

And hospitals had been fixing this since 1947.

 

Why didn't anyone tell us?

 

I decided to find out if it would actually work.

I Tried To Buy Exactly What I Needed To Fix It. It Didn't Exist.

The next morning I ordered every gut supplement I could find.

 

Liquid chlorophyll from TikTok.

Generic chlorophyll capsules from Amazon.

Parsley extract.

Digestive enzyme blends.

 

Spent about $200.

 

The liquid chlorophyll tasted terrible and the dosage was inconsistent. One Amazon bottle had 50mg of chlorophyllin. Another had 100mg. 

 

Neither was enough.

 

The parsley capsules did nothing on their own.

 

Was I wrong about all this?

 

I didn’t give up.

 

I read the study again.

 

That's where I found what actually matters.

The hospital formulations used specific dosages. Not random amounts thrown in a bottle. 200mg of chlorophyllin.

 

That's the amount the studies showed was effective for neutralizing internal odor compounds.

 

Not 50mg. Not 100mg. 200mg.

 

And chlorophyllin alone wasn't enough.

 

You needed complementary botanicals.

 

Parsley extract to support the cleansing process.

 

Peppermint to calm the digestive tract and provide antimicrobial support.

 

The cheap stuff on Amazon was either too weak, missing key ingredients, or both.

 

I needed the real thing. The right dosage. The right combination.

 

That's when being a doctor helped.

 

I know how that sounds - couldn't fix my own breath for 8 years. But I knew labs that could make it.

 

After weeks of searching, I found one company that had it exactly right.

 

200mg chlorophyllin. 200mg organic parsley. 50mg peppermint. In a capsule. One a day.

 

The company was called NOBO. They'd been making this exact formula for people with our problem - people who'd tried everything oral and been failed by all of it.

I ordered it on a Wednesday night.

 

What happened next changed my life.

Wednesday Night. One Capsule. Everything Changed.

One capsule. Every morning. That's it.

DAY 1 TO 3

I noticed this fresh feeling that lasted longer than usual. Not minty fresh. Just... cleaner. Like the stale taste wasn't building up as fast. I wasn't sure if it was real or if I was just hoping. But I kept going.

DAY 3 TO 7

The morning taste was different. Not gone. But lighter. And it stayed lighter for hours after brushing instead of coming back in 20 minutes. I started to feel like maybe this was actually reaching deeper than anything else I'd tried.

DAY 7 TO 14

The stale, sour taste was fading. Actually fading. Mornings felt comfortable for the first time in years. I asked my husband to check my breath in the afternoon, hours after my last brushing. He said he didn't notice anything. I sat in my car after and cried.

DAY 14 TO 30

I went to dinner with a friend. Indoor seating, small table, face to face. I didn't think about my breath once during the entire meal. Not once. That hadn't happened in six years. I ordered a second bottle before I got home.

MONTH 2

Work meetings without calculating the distance. A first date where I actually leaned in. Laughing without covering my mouth. My husband kissed me one morning before I'd even brushed my teeth and didn't say anything. Just a normal kiss. I almost cried again.

MONTH 3

I stopped carrying mints. Not as a test. I just forgot to buy more and realized I didn't need them. That's when it hit me. This wasn't temporary relief. This was my life now. I started telling my friends. They tried it. Same results. Every single one.

You Can Stop Worrying. For Good.

I posted my experience in that same thread where I found the original comment.

 

Within a week, 30 people tried it.

 

Not one person said I was wrong.

 

Same results. Day 3 to 7 they noticed a difference. Day 14 they knew it was working. Every single time.

 

Then 300 people.

 

Then 3,000.

 

Now over 50,000 people have tried NO/BO and gotten their life back.

You know what the most common message I see in the reviews is?

 

"I'm angry. I'm angry I suffered for years when the answer was this simple."

 

I get it. I was angry too.

 

But here's what you need to understand:

 

It wasn't your fault.

 

Every other thing you tried treated your mouth.

 

This treats your gut.

 

Your dentist, your mouthwash, your tongue scraper. They weren't wrong. They just weren't looking in the right place.

 

The problem was never in your mouth.

 

It was just coming through it.
 

That's why nothing worked.

 

You just needed something that eliminates bad breath from the root.

You Have Two Choices Right Now

You can keep doing what you've been doing. More mouthwash. More mints. More worrying every time someone gets close to you.

 

Or you can try what 50,000 people already found.

 

Here's what makes this different:

 

I'm not selling you hope. I'm showing you what worked for me and thousands of other people who felt exactly the way you feel right now.

 

Try NO/BO for 60 days. If your breath doesn't change, if you're still worrying about distance, still popping mints before every conversation, still waking up to that same taste, send the bottle back for a full refund. No questions asked. I'm that confident that it will work for you too.

 

I spent thousands trying to fix this. You won't spend that here.

FIX YOUR BREATH TODAY

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Here's Exactly What Happens When You Order

TODAY: You click the button. Choose your supply. Enter your details. You'll get an order confirmation email within 5 minutes. (Check spam, sometimes it goes there.)

 

48 HOURS: Your bottle ships from the US. You'll get a tracking number. Standard shipping takes 3 to 5 days.

 

WHEN IT ARRIVES: Open it. You take just one capsule a day. Just take it every morning with water. Voila. That's it. No complicated routine. No lifestyle overhaul. Just one capsule that you take every morning.

 

DAY 3 TO 7: You'll notice that fresh feeling lasting longer. Most people message around this point asking "is this actually working or is it placebo?" It's actually starting to work.

 

DAY 14: Check with someone close to you. Ask them directly of they notice your breath smelling any different. Most people don't need to wait this long. But if you want certainty, this is when you'll have it.

 

DAY 60: If you're not convinced, email us. We refund you. Even if the bottle is empty. Even if you used the whole thing. You'll most likely want to get more at this point though!

The One thing You Should Know

NO/BO uses organic ingredients and specific dosages that most brands skip because they cost more to source. The 200mg chlorophyllin, 200mg parsley, 50mg peppermint ratio isn't something you can throw together from bulk powder suppliers.

 

That means supply isn't unlimited. When a batch sells out, you wait for the next one.

 

Two questions to ask yourself:

 

Are you willing to try one more thing, if it's actually different from everything you've tried?

 

Can you afford to wait another month living the way you're living now?

 

If the answer to both is yes:

CHECK AVAILABILITY

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If you've had your hopes up and been disappointed by previous methods, Here's why this is different

60 days. Full refund. Keep the bottle.

 

Try NO/BO for atleast 50/60 days for it to take full effect. Most people notice a different in the first 14 days but everybody works different. If it doesn't give you the desired results, just send it back and keep the bottle. No questions asked

 

You've been disappointed before. Probably more times than you can count. We know the fear of wasting hope again.

 

This either WORKS, or you pay nothing.

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One more thing.

94 days ago, I stared at the order page for fifteen minutes.

 

Thinking: "What if it doesn't work? What if I'm falling for another product that promises everything and delivers nothing? I can't handle another disappointment."

 

But I also thought: "I can't keep living like this."

 

So I ordered. Nervous. Skeptical. Almost certain I was wasting my money again.

 

Day 10, my coworker stood close to me in the break room and I didn't panic. I just talked. Like a normal person. I went to my car after and sat there for five minutes just breathing.

 

Last week I went to a crowded restaurant with friends. Sat in the middle of the table. Laughed. Ordered whatever I wanted without thinking about it.

 

It's the small things that get me. Not checking my breath every thirty minutes. Not angling away during conversations. Not carrying mints like a lifeline. Just existing.

 

I don't know what you're feeling right now. Maybe the same fear I felt. Maybe you're thinking "she got lucky, but it won't work for me."

 

I thought that too.

 

94 days ago I was popping mints before every conversation. Today I'm living a life I forgot was possible.

 

Whatever you decide, I'm rooting for you.

Rachel

CHECK AVAILABILITY HERE

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P.S. People ask me: "Rachel, why not just buy cheap chlorophyll on Amazon?" Because dosage matters. Most Amazon chlorophyll supplements are 50 to 100mg. The research used 200mg. NO/BO is the only one I found with the exact 200mg chlorophyllin, 200mg parsley, 50mg peppermint ratio that actually matches what the studies showed works. Cheap pills saved me nothing. The right formula saved me everything.

GET NO/BO · 60 DAYS GUARANTEE

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

DAY 1 TO 3

I noticed something different. Not dramatic -but an improvement.

 

The stale buildup that would sit on my tongue by mid-morning was... lighter.

 

Not gone. But lighter.

 

I wasn’t sure if I was imagining it.

 

I kept going.

DAY 3 TO 7

The morning taste was different.

 

Not gone. But different — and it was staying lighter hours after brushing instead of coming back in 20 minutes.

 

That had never happened before.

 

That was when I started to believe this was actually reaching deeper than anything else I'd tried.

DAY 7 TO 14

The stale, sour taste was fading.

 

Actually fading.

 

Mornings felt comfortable for the first time in years.

 

I asked my husband to check my breath in the afternoon — hours after my last brushing.

 

He said he didn’t notice anything.

 

I sat in my car afterward and cried for fifteen minutes.

 

Just sat there. Breathing.

DAY 14 TO 30

I went to dinner with a friend.

 

Indoor seating.Small table. Face to face.

 

I didn’t think about my breath once during the entire meal.

 

Not once.

 

That hadn’t happened in nine years.

 

I ordered a second bottle before I got home.

MONTH 2

Work meetings without calculating distance from my colleagues.

 

A first date where I actually leaned in.

 

Laughing without covering my mouth.

 

My wife kissed me one morning before I’d even brushed my teeth and didn’t say anything.

 

Just a normal kiss.

 

Just a Tuesday morning. I almost cried again.

MONTH 3

I stopped carrying mints.

 

Not as a test. I just forgot to buy more and realized I didn’t need them.

 

That’s when it hit me.

 

This wasn’t temporary relief.

 

This was my life now.

 

I started telling my friends.

 

They tried it. Same results. Every single one.

You can stop calculating distance. Forever.

I posted my timeline in that same Reddit thread where I found the original comment.

 

Within a week, 40 people tried it.

 

Not one person said I was wrong.

 

Same results. Day 3 to 7 they noticed a difference. Day 14 they knew it was working.

 

Every single time.

 

Then 400 people. Then 4,000.

 

Now over 100,000 people have tried NO/BO and gotten their life back.

You know what the most common message I see in the reviews is?

 

"I'm angry. I'm angry I suffered for years when the answer was this simple."

 

I get it. I was angry too.

 

But here's what you need to understand:

 

It wasn't your fault.

 

Every other thing you tried treated your mouth. This treats your gut.

 

Your dentist, your mouthwash, your tongue scraper, they weren't wrong.

 

They just weren't looking in the right place.

 

The problem was never in your mouth. It was just coming through it.

 

That's why nothing worked.

That's why this does.

You Have Two Choices Right Now

You can keep doing what you’ve been doing.

 

More mouthwash. More appointments. More calculating distance. More gum as armor. More eating alone.

 

Or you can try what 100,000 people already found.

 

I’m not selling you hope.

I’m showing you a test that worked for me and every single person I’ve shared it with.

 

Try NO/BO for 60 days. If your breath doesn’t change, if you’re still calculating distance, still covering your mouth, still waking up with that same taste - send the bottle back.

 

Even if it’s empty. Full refund. No questions. No forms.

 

I spent thousands trying to fix this.

You won’t spend that here.

You won’t spend even 1% of that here.

 

Most people feel the difference by Day 3-7.

See real change by Week 2.

Stop calculating distance by Month 2.

FIX YOUR BREATH TODAY →

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

Here's Exactly What Happens When You Order

TODAY: You click the button. Choose your supply. Enter your details. You'll get an order confirmation email within 5 minutes. (Check spam, sometimes it goes there.)

 

48 HOURS: Your bottle ships from our US facility. Tracking number sent to your email. Standard shipping takes 3–5 days.

 

WHEN IT ARRIVES: Open it. One capsule with water in the morning. That’s the entire routine. No complicated protocol. No lifestyle overhaul.

 

DAY 3 TO 7: You’ll notice the fresh feeling lasting longer than usual. Most people message us around this point asking “is this actually working or am I imagining it?” You’re not imagining it.

 

DAY 14: Check with someone close to you. Ask them directly. Most people don’t need to wait this long. But if you want certainty, this is when you’ll have it.

 

DAY 60: If you’re not convinced, if you’re still calculating distance - email us. We refund you. Every cent. Even if the bottle is empty. Even if you used the whole thing.

The One thing You Should Know

NO/BO uses organic ingredients and specific dosages that most brands skip because they cost more to source. The 200mg chlorophyllin, 200mg parsley, 50mg peppermint ratio isn’t something you can throw together from bulk powder suppliers.


 

That means supply is limited. When a batch sells out, you wait for the next one.

 

Two questions to ask yourself:

 

Are you willing to try one more thing, if it's actually different from everything you've tried before?

 

Can you afford to wait another month living the way you're living now?

 

If the answer to both is yes:

CHECK AVAILABILITY →

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

If it doesn't work, you get your money back.

If it does work, you get your life back.
Title

60 Day Money Back Guarantee

Free
Shipping

Secure
Checkout

Hassle Free
Returns

GET NO/BO NOW →

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

One more thing.

94 days ago, I stared at the order page for fifteen minutes.

 

Thinking: “What if it doesn’t work? What if I’m falling for another product that promises everything and delivers nothing? I can’t handle another disappointment.”

 

But I also thought: “I can’t keep living like this.”

 

So I ordered. Nervous. Skeptical. Almost certain I was wasting my money again.

 

Day 10, my coworker stood close to me in the break room and I didn’t panic. I just talked. Like a normal person. I went to my car afterward and sat there for five minutes just breathing.

 

Last week I went to a crowded restaurant with friends. Sat in the middle of the table. Laughed. Ordered garlic bread without thinking twice.

 

It’s the small things that get me. Not checking my breath every thirty minutes. Not angling away during conversations. Not carrying mints like a lifeline. Just existing.

 

I don’t know what you’re feeling right now. Maybe the same terror I felt. Maybe you’re thinking “he got lucky, but it won’t work for me.”

 

I thought that too.
 

94 days ago I was popping mints before every conversation. Today I’m living a life I forgot was possible.

 

Whatever you decide, I’m rooting for you.

— Richardsons

CHECK AVAILABILITY HERE →

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

⚡ UPDATE: APRIL 2026

 

Demand for NO/BO has surged significantly. Our current batch is running low. Order now to lock in free shipping and the 60-day guarantee before this batch sells out. This offer is not available in stores or anywhere else.

P.S. — People ask me: "Doctor, why not just buy cheap chlorophyll on Amazon?"

Because dosage is everything. Most Amazon chlorophyll supplements contain 50 to 100mg. The clinical research used 200mg. NO/BO is the only product I found with the exact 200mg chlorophyllin, 200mg parsley, 50mg peppermint ratio that actually matches what the studies showed works.

I tried the cheap stuff first. Spent $200 on it. It did nothing.

The right dosage, the right combination, that’s what changes the outcome. Cheap pills saved me nothing. The right formula saved me everything.

GET NO/BO · 60 DAYS GUARANTEE →

60 Day Money Back Guarantee · Free Shipping · Secure Checkout

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