What do systematic reviews say?

Glutamine vs butyrate

It is very uncertain whether glutamine changes maintenance of clinical remission compared with butyrate (very low certainty).

• Treatment and prevention of pouchitis after ileal pouch‐anal anastomosis for chronic ulcerative colitis 2019 · Cochrane Headline outcomes only
  RR 1.8 [0.63, 5.16]
  1 study · 19 participants
  Very low