Can Ketosis Cause Body Odor?

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How Diet Can Cause (or Help Fix) Bad Breath

Bad breath isn’t a life-threatening problem, but it’s socially embarrassing and it can make life pretty rough, especially if your job has some kind of social component. And even though it sometimes comes from poor oral hygiene, even people with totally solid brush/floss/mouthwash/tongue scraper routines can get breath problems, because not all bad breath is caused by germs in your mouth. Here’s a look at the relationship between diet and breath, including the infamous “keto breath,” but also including other factors like the bacterial population of your mouth and how different foods you eat can affect odor-causing bacteria. Diet and Breath The obvious connection between diet and breath is smelly foods, like garlic, coffee, and fish. Obviously, these foods do have an effect, but it’s temporary: you can brush your teeth and get rid of it. A harder problem is bad breath that persists even if you aren’t eating anything particularly smelly – clearly there’s something else going on here. This study goes over some of the causes of bad breath. In 90% of cases, the problem has something to do with the bacterial population of the mouth. The human mouth naturally plays host t Continue reading >>

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Popular Questions

  1. krashmania

    I'm a few weeks in, and I'm starting to notice more and more a rather, um, distinct (worse) change in my b.o. I'm having to put on deodorant at least twice a day, even when I'm not working out, because of it, even after a shower in the morning. This sound familiar to anyone from when they first started?

  2. phishtrader

    If you're in ketosis, you're excreting acetone and acetoacetate, probably in noticeable amounts. According to Lyle McDonald's The Ketogenic Diet, this can result in "fruity smelling breath." I would submit that perhaps anyone that concludes this, is perhaps not that familiar with what fruit actually smells like. When I started, which is when I've read that the issue is the worst, my wife noticed the bad breath right off.
    Other than drink more water, I don't have much advice for you, if you excrete more of the unused ketone bodies through urine, perhaps you'll have less to exhale or sweat out, or it will be diluted. Drinking water may also help to flush out your mouth too.
    I was speaking with a customer today that often stands a little bit too close. Today she backed off right away and kept moving around. Based on the horrible taste in my mouth, I can only conclude that I have some really asstastic breath right now. I wanted to keep in eye contact while talking to her, but it's hard to also point your mouth in another direction, and talk all at the same time.
    My urine is also almost always darker than it would normally be given a similar level of water intake on a non-keto diet. It is also discernibly smelly, but again, doesn't remind me of fruit in any sense.

  3. krashmania

    Is this a long term thing, or just something that happens in the begining?

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