By Dr. Richardsons

18-Year Bad Breath Sufferer & Doctor In Los Angeles, California | April 2nd, 2026

Last updated: April 20, 2026

"After 18 years of suffering through this myself, I stopped waiting for patients to ask. I

went looking for the answer — and what I found completely changed how I treat this

in my practice."

i'm a gastroenterologist who had chronic badbreath for 18 years. here's the only thing thatactually fixed it.

Here's what the science — and my own experience — say about each solution.

3,114 people reading this right now

Look, I get it.

Every functional medicine doctor has a "breakthrough" probiotic or gut health tonic to sell

You these days.

So when patients started asking about the bottles they kept seeing on TikTok — things likeTheraBreath, Seed Probiotics, and that green capsule bottle everyone's cousin swears by — I decided to do what I should've done two years ago.

I pulled up their ingredient profiles. Looked at the dosages. Reviewed what the actual

research said about each compound.

The deep dive I'd been avoiding because I assumed they were all essentially the same thing in

different packaging.

I was fully expecting to confirm what I'd been telling patients for the last decade. Save your

money. They're all glorified mouthwash in a pill.

Then something unexpected happened.

One formula's ingredient ratio sent me down a research rabbit hole that kept me up until 1am,

cross-referencing studies I hadn't looked at since medical school.

Not because it had some exotic mystery ingredient or made wild claims. But because it

matched something specific I'd been explaining to patients for 12 years — and had never seen

a consumer product actually get right.

Here's What Patients Don't Realize Until It's
Too Late

Chronic bad breath follows a predictable timeline.

 

Once your gut microbiome becomes significantly imbalanced, you've got maybe 6 to 12 months before the damage becomes much harder to reverse.

After that window closes? Your gut ecosystem can shift into a chronically dysbiotic state. The bacterial populations that produce sulfur compounds become dominant. They crowd out the beneficial bacteria that normally keep odor in check. And once that happens, no mouthwash on earth can fix it. The problem has moved beyond the mouth entirely.

Which brings me to the uncomfortable truth about 99% of bad breath products on the market.

 

They might freshen your breath for an hour. Feel nice. Even mask the smell temporarily. But they're failing at the three non negotiable requirements for actually eliminating chronic bad breath at the source:

Which brings me to the uncomfortable truth about 99% of bad breath products on the market.

 

They might freshen your breath for an hour. Feel nice. Even mask the smell temporarily. But they're failing at the three non negotiable requirements for actually eliminating chronic bad breath at the source:

The Three Requirements Every Real Solution Must Meet

Neutralize odor compounds in the bloodstream before they reach your lungs.

Deliver the right ingredients at clinically relevant dosages, not token amounts.

Support the gut environment where odor causing bacteria thrive, not just mask symptoms.

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:

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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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Back Guarantee

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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

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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.

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Most products can't hit even one of these. They're sitting in your mouth, hoping for the best.

 

So what made that one formula different?

 

Why did it keep me up past midnight reviewing old research papers?

 

Let me show you what I found when I tested each one against real criteria.

↓ Let me show you what I found when I tested each one

Dr. Richardson's #1 Pick

CVS Bestseller

 

The TikTok Pill
 

Dr. Richardson's #1 Pick

NOBO Internal Deodorizer

"The only consumer formula I found that actually matched the clinically studied dosage ratio."

Dr. James Richardson, MD · Gastroenterologist

Ingredients your gut actually needs

Quality and potency of formulation

Price point

Capsule form and ease of use

Reviews from verified customers

What Works

Three botanical compounds in a single capsule, dosed to match research backed ratios

Day one noticeable freshness reported by most users

93% of customers reported noticeable improvement within 30 days

Formula matches the chlorophyllin dosage I've been recommending to patients for years

One capsule a day, no complicated routine

Trade Offs

Often sold out (in stock at time of writing)

Priced higher than cheap Amazon alternatives (but with a 60 day money back guarantee)


 

Claim Dr. Richardson's #1 Pick

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NO/BO Internal Deodorizer: The 94% Success Rate I Couldn't Ignore

When I first came across NO/BO, I almost scrolled past.

 

After 12 years in gastroenterology, I've seen dozens of "revolutionary" internal deodorizing supplements come and go. Most of them were the same few grams of chlorophyll marked up 400% and dressed in new packaging.

 

But this one wasn't pitching me anything. A colleague sent it over and said she wanted my opinion on the dosage ratio.

 

What Caught My Attention

 

The research on chlorophyllin as an internal deodorizer goes back to the 1940s and 50s. Hospital studies used it for patients with colostomies and other conditions that produced strong internal odors. The dosages that worked in those studies were specific. Not vague "active ingredient" claims. Actual milligram amounts.

 

Here's what NO/BO puts in every capsule:

The Formula:

✓ 200mg chlorophyllin. The stable, bioavailable form of chlorophyll that binds to sulfur compounds in your digestive tract.

 

✓ 200mg organic parsley extract. Historically used as a breath freshener. Actually has the compounds to back it up when dosed properly.

 

✓ 50mg peppermint leaf. Supports the digestive tract and provides mild antimicrobial activity.

Most consumer chlorophyll products use 50mg or 100mg. That's not enough to reach therapeutic levels. NO/BO uses 200mg. That's the amount that actually matches what the hospital studies used.

 

The parsley and peppermint aren't filler. They work alongside the chlorophyllin. This is formulation, not marketing.

 

What The Customer Data Shows

 

NO/BO has been tracking customer outcomes for over two years. The numbers hold up.

93% of customers reported noticeable improvement within 30 days

Not self reported "I feel fresher" fluff. Actual outcome tracking on morning breath, social comfort, and partner feedback.

 

What caught my eye more than any single number was the consistency. People who stopped taking it saw the effect fade within a week or two. People who stayed on it reported lasting results out to three, six, even twelve months.

 

That's exactly what you'd expect from a product that's actually addressing the source rather than masking a symptom.

2000+ Customers Who Love Us

These People eliminated
Funky Breath With our Natural Solution:

get rid of bad breath today

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Remember those three requirements every real solution must meet?

 

Here's exactly how NOBO Internal Deodorizer hits them:

 

The formula works by binding to sulfur compounds in your gut before they enter your bloodstream. Neutralizing odor at the source while supporting the internal environment that lets your body keep odor in check naturally.

 

It's that simple. And that's exactly what the customer data confirmed.

This mechanism explains why 94% of users reported noticeable improvement within 30 days.

 

Their breath wasn't just "feeling fresher." The odor compounds were being measurably neutralized before they ever reached the mouth.

Simple mechanism. Nothing mystical. But it's the kind of mechanism that actually holds up when you look at the research behind each component.

 

This is why customers report what they report. Not because they're feeling the placebo effect. Because the formula is doing what the ingredients are supposed to do, at doses high enough to matter.

 

Meeting The Real Users

 

I asked for access to some of the customer stories NO/BO had on file. They connected me with David, who'd been tracking his experience in detail.

I'm a financial advisor. Every day I'm in close meetings, reviewing documents with clients, sometimes sharing lunch. Bad breath wasn't a small issue for me. It was actively costing me deals and I knew it."

 

"I'd watch clients lean in to read something on my screen and then subtly pull back. Or answer me from further away than felt natural. I started obsessing. Checking my breath before every meeting. Mints in every jacket pocket, every desk drawer, my car."

 

"My wife stopped mentioning it after a while. I think she got tired of watching me spiral. But I could tell she still noticed."

 

"I'd tried everything. TheraBreath. Probiotics. A tongue scraper I used religiously. Even extra dental cleanings. Nothing held. The freshness always wore off."

 

"NO/BO was supposed to be my last attempt before I just accepted it. By day 10, mornings felt different. By week 3, my wife said something I hadn't heard in years. She didn't have to angle away when she kissed me goodbye."

 

"I'm on my fourth bottle now. It's part of my morning routine. I don't really think about my breath anymore. That noise in my head is just gone."

 

David M., verified customer

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The 60 Day Guarantee Tells You Everything

 

Here's what ultimately convinced me NO/BO was legitimate.

 

They offer a 60 day money back guarantee.

 

That's two full months. Most supplement companies offer 14 days, maybe 30 if they're feeling generous.

 

Why does this matter?

 

Because real internal changes take 30 to 60 days to fully stabilize. Any gastroenterologist will tell you that. The body needs time. The gut needs time.

 

Companies offering 14 day or 30 day guarantees know you won't see the full effect in that window. They're counting on it.

 

A 60 day guarantee tells me they've looked at their long term customer data and they're confident enough to put their money where their claims are. They know what happens at day 45 and day 60 when the full effect really shows up.

 

That kind of confidence from a supplement company is rare. I notice it when I see it.

My Professional Assessment

 

After everything I've walked through, the research, the dosage ratios, the customer data, the guarantee, the real user outcomes, the question isn't whether NO/BO works.

 

The question is when you want to start.

 

Because if you'd started 60 days ago, you'd already be done with this. You'd be that person who doesn't think about their breath anymore. Who doesn't calculate distance in conversations. Who doesn't keep mints in every pocket.

 

60 days from now, you're either still dealing with this. Or you're not.

 

Don't wait until 2027. The earlier you address the source, the faster you get back to normal life.

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How It Works: One capsule daily neutralizes gut bacteria producing sulfur compounds, giving you fresh breath that lasts 24/7 - not just until your next meal.

 

The Result: Zero morning breath, confidence in close conversations, and freedom from the anxiety that's controlled your social life.

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