Bacillus coagulans GBI-30 (BC30)

Tier 3 — weak evidence · Probiotic strain · Spore-former · Shelf-stable

Shelf-stable spore-forming probiotic with small-to-moderate RCTs showing benefit in IBS, post-exercise muscle soreness, and protein digestion. Spore form survives stomach acid without enteric coating. Ganeden trademark; widely added to fortified foods.

Dose: 1-2 billion CFU/day