Thanks guys for the reassuring infos about
VSL3.
I received an answer from the VSL3 team, they also say there is no risk in taking their probiotic while flairing :
Somebody said...
VSL#3 has been used in studies in mild to moderate active ulcerative colitis. Indeed when the disease is active the dose can be increased, we have never had any issue of infection with VSL#3 as the bacteria are safe.
Also VSL#3 helps improve the intestinal barrier.