Recently, I read about a probiotic supplement "Primal Defense" that makes some interesting claims:
I'm pretty skeptical about probiotics in general but ever since I saw some positive remarks in T-mag I'm ready to give them serious consideration. Further searching in the T/N archives revealed this nugget of info by Kandi, here's an excerpt:
"I'm current using the same substances as you all to induce an enormous amount of lean muscle growth (no steriods)on a horse. Myself, as well as others in my circle are giving our horses a product that is actually a derivative of a beneficial strain of an probiotic organism. " (Kandi, if you're still around, please weigh in on this topic)
I would like to hear from probiotic users in general and Primal Defense users in particular.
 Do you see any benefits from using these products? How do you know they're working?
 If and when established, would further probiotic supplementation be necessary? After all, if a relatively stable population of "bad" bacteria can reside in the gut for years, why shouldn't a population of healthful bacteria be able to do the same?
Some of these probiotics can be pretty expensive so it would be ideal if a self-perpetuating population can be established.