I did some searching yesterday and found two products that contain B.Longum, they where very expensive. So perhaps most of the industry just uses Aluminum based bacteria because they are NORMAL now…
Anyhow I thought about this whole issue and couldn't stop examining something I tried a couple of years ago where I used massive dosages of Bio-K for a month.
While using the massive dosages all my issues had lessened or disappeared but of course this was only temporary. Now we know that adding yttrium based bacteria helps but unless the aluminum is removed it will slowly cancel out the yttrium and all is for nothing.
Here are the two I found with acceptable ratios (>5%) of B.Longum