I use probiotics and greens in a seasonal / specific situations (eg when anyone in the family goes on antibiotics, they get a probiotic alongside and for the next few weeks). Never had any bloat but it makes sense that you have some biochemical reactions going on that are producing various gases that will hopefully come out
The only one to really do that to me lately is the Ghost Greens, which is a shame cause I loved the taste. Caused mostly GI distress rather than bloating, but other ones I have had since, Gaspari’s Proven Greens and Glaxon Super Greens have been just fine.