What do systematic reviews say?

Boswellia serrata vs valdecoxib

It is very uncertain whether boswellia serrata changes adverse events Participants (n) reported adverse events compared with valdecoxib (very low certainty).

• Oral herbal therapies for treating osteoarthritis 2014 · Cochrane Headline outcomes only
  RR 2 [0.39, 10.18]
  1 study · 66 participants
  Very low

Boswellia serrata vs valdecoxib

It is very uncertain whether boswellia serrata changes adverse events Participants (n) withdrew due to adverse effects compared with valdecoxib (very low certainty).

• Oral herbal therapies for treating osteoarthritis 2014 · Cochrane Headline outcomes only
  RR 3 [0.13, 71.07]
  1 study · 66 participants
  Very low

Boswellia serrata vs valdecoxib

• Oral herbal therapies for treating osteoarthritis 2014 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 66 participants
  GRADE not reported

Boswellia serrata vs placebo

Boswellia serrata extract showed no clear difference in adverse events compared with placebo (low certainty).

• Interventions for treating collagenous colitis 2017 · Cochrane Headline outcomes only
  RR 1.88 [0.19, 18.6]
  1 study · 31 participants
  Low

Boswellia serrata vs placebo

Boswellia serrata extract showed no clear difference in withdrawals due to adverse events compared with placebo (low certainty).

• Interventions for treating collagenous colitis 2017 · Cochrane Headline outcomes only
  RR 2.82 [0.12, 64.39]
  1 study · 31 participants
  Low