Is Trader Joe's acidophilus any good?

I got a bottle of the Super Acidophilus Complex, which says ‘10 billion organisms at time of manufacture’. My mom, who worked in the supplement industry for many years expressed doubt that the TJ’s acidophilus will be effective, so I Googled it and found mixed results.

I was wondering if any of you had ever used it and if you had positive or negative thoughts about it. Or perhaps someone might have some insight into this product, how it’s manufactured, etc.

I’m recovering from what I’m pretty certain was a bout of e. coli and I’d really like to get my digestive system back on track, so if what I got isn’t good, I’d like to know so I can start on something better. Thanks!