EDIT: While I had leaky gut syndrome, the methods I use can be applied by many people without the syndrome, also- I would be surprised if many of you didn't have some sort of digestive disorder.
I am not advertising any product, 90 per cent of what I advise can be bought from any local store. there is ONE product which is kinda cool, but I will not give any brand names, as it is important to me that you guys believe me.

I will divide my post into Foods to Eliminate/Mouthwashes/Oral Hygene/Fasting/Healing the Gut/Other--- Some of the info will be old news but others will be new.
Here we go...
Foods To Eliminate
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O.K. Most of you know this through trial and error, but aside from Garlic Onions Pork etc, it's also important to eliminate choline... Also, beer and other alchohol doesn't help. I guess you all know this. A very important point is that if we are all so sensitive to these foods then it probably means we have an underlying condition. Check out Leaky Gut.
Mouthwashes/Topicals
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Maake up your own combos, consider 2/3 phases mouthwashes. Be a mad scientist.
O.K. Limes rule. I used to eat about 15 a day! They help for about an hour.
Be careful though, they ultimately deplete you of zinc, so a supplement is needed.
Sea Salt is also great and long lasting.
Bicarb of soda works well as many of you know.
Wheatgrass and other Dark Leafy Greens such as juiced spinach and Kale are also full of chlorophyll and magnesium, and can be very helpful.
Ginger juice is a great great healer.
You also may want to check out Oil Pulling, but I would use very small amounts diluted in water, it can backfire on you.
And now a couple you may not have considered:
CAYENNE PEPPER. Oh yeah, it needs to be mixed with other herbs, maybe salt BofSoda, Salt, and it can be rubbed straight onto you gums, and ade into a mouthwash. Use it in the first phase, after use limes to clean out the taste.
AND NOW THE BIG ONE...drum roll... MACA ROOT. A great powder that can be bought from your local health store. Buy the pure powder, not capsules... Full of zinc and amino acids, it really put me well on the road to recovery.
Also, MSM powder and activated charcoal are great detoxifiers for both gums and bowels.
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I will post more things in 20 minutes or so..., the above will help you but I have not even started yet. Do me a favour and wait until I've posted the second part before replying
A great powder is 5 parts Maca, 2 parts Cayenne, 2 parts salt, 1 part mint.