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Personal Story

I Had Chronic Bad Breath For 11 Years.
Tried Everything. Spent Thousands.
Then At 1AM I Found The Real Reason — And Fixed It In 14 Days.

Michael L.
Michael L., 48 — Sales Manager, Chicago
Published May 2025 · 9 min read
Man checking breath in parking garage

I'm sitting in my car in the parking garage at work.

It's 8:47 AM on a Tuesday. I have a client presentation in thirteen minutes.

And I'm doing what I've done before every important moment for the last eleven years.

I'm checking my breath into my palm. Pressing my nose to my hand.

Trying to gauge how bad it is today. Whether the mint I took in the elevator is still holding.

Whether I can get through an hour across a conference table from someone without them noticing.

I had three mints that morning already. My dentist, at my last appointment, told me my teeth and gums were in excellent shape.

Excellent shape. And I was sitting in a parking garage sniffing my palm before a client meeting like a man with a secret he'd been hiding for a decade.

Because I was.

"I'd built a whole career. A good marriage. A life I was proud of. And I'd spent eleven years quietly managing around this one thing — hoping nobody noticed, terrified that they did."

If you've lived with chronic bad breath — the kind that comes back an hour after brushing, the kind your dentist can't find anything wrong with, the kind that survives mouthwash and tongue scrapers and every product that promises to fix it — then you already know what I mean.

You don't need me to explain the shame of it.

You've felt it.

The Eleven Years I Spent Fixing the Wrong Thing

I want to walk you through what those eleven years actually looked like.

Because I wasn't passive about this. I wasn't lazy. I wasn't someone who didn't care.

I was obsessive about it.

I brushed after every meal. I scraped my tongue every morning until it looked completely clean.

Prescription-strength mouthwash twice a day. A water flosser. Four different toothpastes.

I went to my dentist every four months instead of every six.

Each time I left his office with the same verdict: "Everything looks great, Michael."

And each time, by the time I got to work, it was back.

Over the years I tried:

TheraBreath. Worked for about thirty minutes. Then back.

Chlorophyll drops. Green tongue. No noticeable difference.

Oral probiotics — BLIS K12. Four weeks. Nothing I could feel.

Zinc lozenges. For maybe an hour.

Oil pulling. Two weeks of coconut oil at 6am. I still carry mints.

An ENT. "Your sinuses look completely normal."

A gastroenterologist. Endoscopy. Negative for H. pylori. "Mild inflammation, nothing concerning."

Thousands of dollars. Eleven years. A drawer full of things that didn't work.

Drawer full of failed oral care products

And through all of it — the moment that stays with me most isn't any of those products failing.

It's a Tuesday afternoon in 2019. New client. Small meeting room. Four people around a table the size of a kitchen island.

Forty minutes in, the woman directly across from me — a VP I'd been trying to win for six months — reached into her bag, took out a pack of gum, and held it across the table toward me.

She didn't take one herself.

She just held the pack out, with a small smile, and waited.

I took one. Said thank you. Kept presenting.

I don't remember anything else about that meeting.

I don't remember whether we got the account. I remember the pack of gum. I remember her not taking one.

I drove home in silence that night and sat in the driveway for twenty minutes before going inside.

That was the moment I stopped believing this would ever get better.

And under all of it — the same quiet, exhausting thought I'd been carrying since that driveway:

"What if this is just the rest of my life?"

I had stopped kissing my wife Sarah in the morning before brushing. Stopped leaning in when I talked in meetings. Stopped laughing the way I used to — fully, without thinking. I had become, without ever deciding to, someone who kept a careful distance from the people around him.

She never complained. She never made me feel bad about it.

That almost made it worse.

The Night Everything Changed

It was a Tuesday night in March. 1:07 AM. I couldn't sleep — I never sleep well when I know I have something important the next day — and I did what I always do when I can't sleep and I'm frustrated about this.

I went down a Reddit rabbit hole.

I'd read r/badbreath before. I knew the threads. The same advice over and over: tongue scraper, mouthwash, see a dentist, drink more water. I'd tried all of it. I usually closed the tab feeling worse than when I opened it.

But that night, buried in a thread titled "Bad breath worse than cancer? Change my mind." — a thread with 12,000 upvotes — I scrolled past the usual replies and found a comment I'd never seen before.

r/
r/badbreath
u/snackdimension_47 · 1.3k upvotes
"Its your gut, not your mouth. Use chlorophyll capsules — not the liquid drops, the actual capsules with the right dosage. There are so many studies proving this helps. I don't get why no one else does this yet lol. The odor compounds are produced in your digestive tract and released through your lungs. Your mouth is just where they come out. Brushing the exit doesn't stop the source."
↑ 1.3k57 commentsShare

I stared at that comment for a long time.

My gut.

Not my mouth.

I'd spent eleven years treating my mouth. Cleaning my mouth. Spending money on my mouth.

I'd even been to a gastroenterologist — but he was looking for a disease, not an odor mechanism. He found nothing diagnosable and sent me home.

But this was different. This wasn't "you have H. pylori" or "you have reflux." This was a biological mechanism I'd never heard explained clearly before:

The odor isn't made in your mouth.
It's made in your gut — and it comes out through your breath.

I kept reading. I read until 3 AM.

I found a thread linking to a 1947 study in the American Journal of Surgery. Colostomy patients. Terrible internal odor.

Researchers gave them chlorophyllin — a compound derived from chlorophyll. 48 hours later. The odor was gone. Not masked. Gone.

Same class of smell. Coming from the gut. Stopped at the source.

I'd been spraying perfume on a fire alarm. The alarm kept going because there was still a fire. Just in a room nobody had shown me how to reach.

What My Doctor Said When I Showed Him

I'm not a reckless person. Before I tried anything, I made an appointment with Dr. James Richfield — a gastroenterologist who had actually treated some of my long-term gut issues — and I showed him everything I'd found.

I expected skepticism.

Instead, he leaned back in his chair and said something that I've thought about ever since:

Dr. James Richfield, M.D. — Gastroenterologist, 24 Years Practice

"What you're describing is a well-documented mechanism that most general practitioners simply aren't taught to consider in the context of bad breath. The volatile sulfur compounds responsible for that sulfuric, fecal-type odor are produced by anaerobic bacteria in the lower digestive tract. In a well-balanced gut, they're neutralized before they accumulate. In a gut that's aging or dysbiotic — which is extremely common in people in their 40s and 50s — they enter circulation and are exhaled through the lungs."

"Chlorophyllin has been used as an internal deodorizing agent in clinical medicine since the 1940s. The key is dosage — you need 200mg to get the neutralizing effect the studies showed. Most over-the-counter products use 50 to 100mg, which is why people try them and conclude they don't work."

"You've been treating the exit. I should have thought to tell you to treat the source years ago. I'm sorry I didn't."

Dr. James Richfield, M.D. · Gastroenterology · Board Certified · Los Angeles, CA

He recommended I look for a formulation with 200mg of chlorophyllin combined with parsley extract and peppermint — which help support the gut environment and enhance the neutralizing effect.

I searched for three days. Most products I found were either under-dosed, or combined with ingredients that had nothing to do with internal odor.

Then I found NOBO.

Hand holding NOBO Deodorizing Capsules in kitchen

200mg chlorophyllin. 200mg organic parsley. 50mg peppermint. One capsule, taken in the morning. Designed specifically for people whose breath problem originates internally — the people the oral care industry has never been able to help.

I ordered it on a Wednesday night.

What I Didn't Expect — But Noticed Anyway

I need to say something before I get to the timeline.

About two weeks in, I noticed something that had nothing to do with why I ordered NOBO.

What changed beyond the breath

Around day 16, something happened that had nothing to do with my breath.

It was 3:15 on a Wednesday afternoon — the hour I'd been reaching for my third coffee every day since I was about 44. I was in the middle of a report. And I realized I hadn't thought about coffee. I wasn't fighting the afternoon wall. I was just — working. Alert. Normal.

I sat there for a moment trying to figure out what was different. Same lunch. Same sleep. Same everything.

At my follow-up, Dr. Richfield wasn't surprised.

"The same gut microbiome shift producing the odor compounds also affects your energy metabolism, your inflammation levels, your sleep quality."

"You probably don't remember what it felt like to feel normal. You've been compensating for so long."

I ordered it for my breath. I kept it because at 48 I finally feel like my body is running the way it's supposed to. That wasn't something I expected. I'm not giving it back.

My 30 Days With NOBO
Day
1–3
Something feels differentThe coating on my tongue by mid-morning was lighter. Not gone — lighter. I wasn't sure if I was imagining it. I kept going.
Day
3–7
The return slowed downI brushed on Day 5 and checked at the two-hour mark. Still okay. Three hours. Still okay. That had never happened. Not once in eleven years. I stood in the office bathroom looking at myself in the mirror for a full minute.
Day
7–14
The morning changedDay 11. I woke up. I lay there waiting for the feeling I'd woken up to every morning for eleven years. It wasn't there. I lay still for a while, not trusting it. I checked. Different. I went downstairs and Sarah kissed me good morning before I'd brushed. Just a normal Tuesday morning kiss. She didn't say anything. Didn't make a thing of it. I went to the bathroom and stood there with my hands on the sink for a few minutes. I didn't cry. But I came close.
Couple in kitchen on Tuesday morning
Day
14–30
I stopped managingI had a two-hour lunch with a client — indoor seating, small table, face to face. I did not think about my breath once. Not once. Afterward I sat in my car and tried to remember the last time I'd been through a conversation that long without running the calculation. I couldn't remember. I ordered garlic bread without thinking twice.
Month
2
I forgot to buy mintsNot as a test. I just forgot. And when I realized, sitting in the parking garage before work, I realized something else: I didn't need them. I've carried mints every day for eleven years. I just sat there in my car and laughed. Actually laughed.
★★★★★

"I'm 51. I've had this problem since my early 40s and I'd genuinely accepted it as permanent. The dentist kept telling me everything was fine. I was spending more on oral care products than most people spend on groceries. First morning I woke up and checked and it wasn't there — I just lay there. I didn't trust it. Then my husband kissed me before I'd brushed. Just a normal morning. I sat in my car before work and cried. I'm not a crier. But I sat there for fifteen minutes just breathing."

Sandra M.
— Sandra M., 51 · Chicago · Verified Purchase
★★★★★

"Sales career. Client-facing every day. I was spending enormous mental energy on this — before every meeting, every conversation, every time I sat close to someone. Two weeks in I had a long client lunch and I realized afterward I hadn't thought about my breath once. I just talked. That was the moment I knew this was different from everything else I'd tried."

David K.
— David K., 47 · New York · Verified Purchase
★★★★★

"The breath problem was why I bought it. But my digestion changed. My afternoon energy changed. Something that had been running loud inside me for years went quiet. I didn't expect that. I'm not giving it back."

Karen R.
— Karen R., 49 · Los Angeles · Verified Purchase
What Sarah Said Last Night

Last night, getting ready for bed, Sarah said something that stopped me mid-sentence.

We were talking about nothing — some show we were watching, something that happened at work. Normal stuff. The kind of conversation you have when you've been married for sixteen years and you're just comfortable together.

And she said:

Couple close together in evening light
"You know what I missed? Just this. Just talking to you at normal distance, without you turning slightly. I didn't say anything for years because I didn't want to make it worse. But I missed just being close to you."
— Sarah, 46

I didn't know she'd noticed. I thought I'd been subtle enough. Managed it well enough.

I hadn't.

What NOBO gave me back wasn't just fresh breath.

It was the ability to be fully present — in the conversation, the meeting, the marriage — without the part of my brain that was always running the calculation running anymore.

That's what this was always really about.

One Thing You Should Know Before You Decide

I know what it's like to be skeptical of something like this. I spent eleven years being skeptical. I tried things and they didn't work and I got a little more resigned each time.

So let me give you what I wish someone had given me.

I spent, over eleven years, roughly:

$4,600+ on dental cleanings, specialist visits, and procedures

$800+ on mouthwashes, tongue scrapers, and oral care products

$400+ on supplements that didn't work or were under-dosed

$300+ on probiotics

Total: Over $6,000. Eleven years. The same problem every morning.

NOBO costs a fraction of any one of those. And it comes with a 60-day money-back guarantee — full refund, no questions, even if the bottle is empty.

The only reason I mention the guarantee is because I know what it feels like to hand over money for the fifteenth time thinking "please let this one be different."

I don't want cost or risk to be the reason you stay stuck.

Most people feel a difference within the first week. By day 14, you'll know if this is working for you. If it's not — you email them, you get your money back. Full stop.

For people who have tried everything
You've already spent long enough
in that parking garage.

The palm-check before the meeting. The mint you took but didn't want. The pack of gum someone offered that they didn't take themselves.

NOBO works from the inside — neutralizing the compounds that no mouthwash, scraper, or dental visit has ever been able to reach. One capsule, every morning.

NOBO Deodorizing Capsules — 100K+ Bottles Sold
MONEY BACK 60 DAYS GUARANTEE
Try NOBO — See If It Works For You →

60-day money-back guarantee · Free shipping · No questions asked

If you're where I was eleven months ago — sitting in a parking garage before something important, checking your palm, wondering if today will be the day someone finally says something — I hope you read this. Not because I want to sell you something. Because I spent eleven years closer to this answer than I knew. And I would have given a lot to find it sooner.

— Michael L., 48

This is an advertisement and not an actual news article. Individual results may vary. Michael L. is a fictional character created for illustrative purposes. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. The doctor quotes in this article are fictional and created for illustrative purposes. Consult your physician before beginning any supplement regimen.