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I don't believe in this approach. After all you need energy! I lost a lot of weight when I followed the EFI and had lots of carbs. If you were to cut out carbs too that would be like a diet people who compete in bodyfitness follow to lose bodyfat to an extreme level.
Now there are people with IBS who do better on a high fat low carb diet (although it's not very popular to state this on the EFI board). But I think you do need to try one approach strictly at a time and see what works best for you.
I personally believe that neither a low-fat-high-carb diet or a high-fat-low-carb diet is optimal for health. I think the optimum is somewhere in between, but when you have IBS you have to find a balance that works. But going both low fat and low carb does not seem like a good idea to me anyway.
/Ulrika 
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Carbs, breakdown to tryptophan which is an essential amino acid. You can only get this from diet.
"Serotonin (a neurotransmitter), synthesized via tryptophan"
"serotonin is responsible for initiating and propagating the peristaltic reflex" -------Gut contractions
This process seems to be dirupted in IBS pateints.
There are cells embedded in the gut wall called enterochromaffin cells, they release serotonin to start gut contractions. When to much is released you get d, to little c and alternators both. Its is also responcible for signaling pain to the brain from the gut.
"Ninety per cent of the total body content of 5HT is found in the enterochromaffin cells in the wall of the intestine."
Video Corner: Serotonin
Increasingly our understanding of IBS is that it is a heterogeneous disorder – that is, multiple factors contribute to the well defined symptoms of the disorder. One of these suspected underlying dysfunctions involves serotonin, which is a neurotransmitter or messenger to nerves. Most serotonin in the body is in cells that line the gut where it senses what is going on and through receptors signals nerves that stimulate a response. The serotonin must then be reabsorbed (a process called re-uptake) into cells. This process appears to be disrupted in people with IBS
http://www.aboutibs.org/site/learning-center/video-corner/serotonin
In the brain the right level of serotonin is how you feel relaxed. Too high and you get anxiety.
Its not the amount in the body but the regulation or in IBS dysregulation. Serotonin itself doesn't actually go from the gut to the brain, but triggers nerve fibers to send signals to the brain that the gut is in distress and in pain.
Serotonin (pronounced /ˌsɛrəˈtoʊnən/) is a monoamine neurotransmitter. It is found extensively in the gastrointestinal tract of animals, and about 80 to 90 percent of the human body's total serotonin is located in the enterochromaffin cells in the gut, where it is used to regulate intestinal movements.[1][2] The remainder is synthesized in serotonergic neurons in the central nervous system (CNS) where it has various functions, including the regulation of mood, appetite, sleep, muscle contraction, and some cognitive functions including memory and learning.
http://www.answers.com/topic/serotonin
What Foods Produce Serotonin and how
http://www.nativeremedies.com/articles/what-foods-produce-serotonin-and-how.html
You might notice IBsers can have problems with sleep, appetitie, moods, and in regards to pain and IBS, serotonin signaling to the brain and the mode of action to d, c and d/c IBS.
There is another important cell as well the mast cell. Which can be triggered by foods, stressors, both mental and physical,certain medications, which has also been shown to be very important in IBS.
IF you take a look at this picture, you can see where the ec cells and mast cells are located on the bottom right. They are actually embedded in the wall of the colon. When the colon gets distended from food or other reasons, such as gas, it releases chemnicals. Serotonin then starts gut contractions. This is also one reason why gas bubbles or pockets in the colon themselves can be painful.
http://www.webpotential.com/falcon/uploadibspics3/images/gutreceptors.gif
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My website on IBS is www.ibshealth.com
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So if you have to much serotonin in your system then that could cause D and if you have to little that could cause C? Well I have D but I also seem to be happy one minute and the next just feel blah could that have anything to do with the serotonin? How do you get your levels checked or can you?
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There is no way to check serotonin levels for managing IBS.
There are many different type of serotonin receptors in nerves. IBS problems are more related to the type of nerve receptors that are affected and how they are affected not the level of serotonin. The role of serotonin in the GI tract is very complicated and a simply measuring the levels of serotonin will not give you any insight into managing IBS.
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STABLE: ♂, IBS-D 50+ years - Science of IBS
The FODMAP Approach to Managing IBS Symptoms
Evidence-based Dietary Management of Functional GI Symptoms: The FODMAP Approach
FODMAP Chart & Cheatsheet
The Role of Food & Dietary Intervention in IBS
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I need to add here to
"He also said, when asked if there is benefit to avoiding dairy, that he doesn't believe in any 'undue' dietary restrictions. I take that to mean he doesn't have any evidence that dairy negatively impacts IBS."
The "undue dietary restrictions", has to do with foods not being the actual "CAUSE" of IBS. Diary can effect some people, via fat for one. But that doesn't mean to cut diary completely out if you don't have too.
Since I have suffered for thirty eight of IBS I wonder what role foods play in IBS. So I asked Dr Douglas Drossman at the UNC Center for Functional GI and Motility disorders and here was his response. This is not a substitute for seeking medical advise from your doctor on any specific conditions you may have, but for educational purposes only.
Dr. Drossman is a Co-director of the Center and Professor of Medicine and Psychiatry at UNC-CH. He established a program of research in functional gastrointestinal disorders at UNC more than 15 years ago and has published more than 250 books, articles, and abstracts relating to epidemiology, psychosocial and quality of life assessment, design of treatment trials, and outcomes research in gastrointestinal disorders.
Dr Drossman's comments on foods for IBS Health.
Shawn,
To say that people with IBS may get symptoms from food intolerances is an acceptable possibility, since the gut will over react to stressors of all types including food (high fat or large volumes of food in particular). Furthermore, there can be specific intolerances. So if you have a lactose intolerance for example, it can exacerbate, or even mimic IBS. Other examples of food substances causing diarrhea would be high consumers of caffeine or alcohol which can stimulate intestinal secretion or with the latter, pull water into the bowel (osmotic diarrhea). The same would be true for overdoing certain poorly absorbed sugars that can cause an osmotic type of diarrhea Sorbitol, found in sugarless gum and sugar substituted foods can also produce such an osmotic diarrhea. Even more naturally, people who consume a large amount of fruits, juices or other processed foods enriched with fructose, can get diarrhea because it is not as easily absorbed by the bowel and goes to the colon where it pulls in water. So if you have IBS, all of these food items would make it worse.
However, it is important to separate factors that worsen IBS (e.g., foods as above, stress, hormonal changes, etc.) from the cause or pathophysiology of IBS. Just like stress doesn't cause IBS, (though it can make it worse), foods must be understood as aggravating rather than etiological in nature.
The cause of IBS is yet to be determined. However, modern research understands IBS as a disorder of increased reactivity of the bowel, visceral hypersensitivity and dysfunction of the brain-gut axis. There are subgroups being defined as well, including post-infectious IBS which can lead to IBS symptoms. Other work using brain imaging shows that the pain regulation center of the brain (cingulate cortex) can be impaired, as well as good evidence for there being abnormalities in motility which can at least in part explain the diarrhea and constipation. So finding a specific "cause" of IBS has grown out of general interest in place of understanding physiological subgroups that may become amenable to more specific treatments. Hope that helps.
Doug
http://www.ibshealth.com/ibsfoods2.htm
http://www.ibshealth.com/ibsfoods.htm
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My website on IBS is www.ibshealth.com
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As syl was explaining, it is the amount of serotonin as much as the release of it from specific cells. Then there are different receptors, like 5ht 3 and 5ht4.
So its the released by these different receptors of serotonin and how they function. 5ht 3 is related to d and 5ht 4 to c, but they are still looking at other receptors as well.
But not the actual amount in the whole body.
Serotonin in the brain can effect how you feel for sure. The gut can also effect the brain and the brain can effect the gut. There is a very complex and very close relationship to the actual way the digestive system functions between the two.
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My website on IBS is www.ibshealth.com
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I have been IBS-C for over 20 years now and here's what I have found regarding carbs- When I cut out all of the SF carbs (which I realize are supposed to be the safe ones) I have EXTRAORDINARILY less bloat than with them. It doesn't help with my constipation, but I find the constipation is much more tolerable than the bloat. I am laxative dependent regardless, so I'd just as soon do without the bloat. Once in awhile I do go to a completely SF diet so I can take a laxative break, but I find that I am bloated, tired and miserable even tho I can "go" without much laxative use. No easy answer, but everyone is unique in this battle.
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