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Dr. James Braly (food allergy specialist) spoke at a conference.  He
mentioned that L-glutamine was useful for healing a leaky gut.  He
suggested a rounded teaspoon of L-glutamine dissolved in glass of
water twice a day for adults.  You can get this amino acid loose in
a bottle (pharmaceutical grade) from The Vitamin Trader in Alburqueue.
It's not cheap (about $35 for a bottle 25% bigger than a Centrum
vitamin bottle).  Like other amino acids, it's best taken on an empty
stomach.

Jean Jasinski