Table 3

Observed frequencies for digestive symptoms (n and % of column totals), during the treatment period in 40 healthy volunteers assigned to a 7-d consumption of short-chain fructo-oligosaccharides (scFOS) at a dose from 2.5 to 10 g/d or a placebo

scFOS dose (g/d)

Excess flatus

Bloating

Borborygmi

Abdominal pain

n

%

n

%

n

%

n

%

0 (placebo)

6/8

75

5/8

62.5

4/8

50

3/8

37.5

2.5

7/8

87.5

6/8

75

5/8

62.5

4/8

50

5.0

6/8

75

4/8

50

5/8

62.5

3/8

37.5

7.5

7/8

87.5

4/8

50

3/8

37.5

5/8

62.5

10

7/8

87.5

6/8

75

4/8

50

5/8

62.5

Bouhnik et al. Nutrition Journal 2006 5:8   doi:10.1186/1475-2891-5-8