The best probiotic for the price is designed by Synergistics and can be purchased at Ultralife for a 10% lifetime discount if you mention that you need it for leaky gut syndrome. If purchased online, just list leaky gut as the advisor to get the discount. This is a 60-day supply at one capsule per day.

Probiotic Supplements

Synergistics Probiotic Supreme 60 capsules by Ultralife

Probiotic Videos

Finding the Right Probiotic by David Perlmutter, M.D.

Feed Your Gut Bacteria With Prebiotics by David Perlmutter, M.D.

Gut Bacteria and BDNF by David Perlmutter, M.D.

Multiple Sclerosis - Prebiotic Foods May Make a Huge Difference by David Perlmutter, M.D.