This article exposes another fact about leaky gut and its connection with candida and celiac disease.
Candida and Celiac disease share leaky gut as a major symptom.
Obviously, first consideration is to make sure you have addressed the cause of the leakage - candida overgrowth, parasites, celiac disease, etc.
Healing recommendations boiled down to 4 main ingredients: L-glutamine, digestive enzymes, probiotics, and dietary changes.
Taking L-glutamine (amino acid) was highly recommended - some experienced significant relief of symptoms in days, others over a few weeks or months.
The typical protocol was 500mg per meal but some took more.
Products endorsed included Twinlab 500mg capsules and Metagenics Glutagenics.
The latter was taken in a 1 tsp/day dose with water - excellent results for some after about a month.
Solaray Pancreatin 3000 was recommended as one of the digestive enzymes to take - 1 per meal.
One person insisted that "live" enzymes were the best.
Both enzymes and probiotics have been discussed thoroughly here - there is nothing to add regarding specific recommendations.
As far as diet goes, avoidance of dairy, fruits, and uncooked foods (salads) were recommended.
That's the leaky gut formula in a nutshell, from the celiac perspective.
Again, this info is not "scientific" by any means.
What worked for others may not work for you.
It is for you who have just begun dealing with leaky gut in a more aggressive fashion and must have some personal experience to add regarding the effectiveness of the protocol or any of the products mentioned.