Fuessl (1987)

Double Blind Crossover

18 T2DM (12M; 6F)

Study Phase 1: 4 weeks

[5 g of guar gum (guarem, Rybar Laboratories, Amersham, Bucks) or the same weight of granulated wheat bran (TP2)]

Washout Phase: 2 weeks

Study Phase 2:4 weeks [5 g of guar gum (guarem, Rybar Laboratories, Amersham, Bucks) or the same weight of granulated wheat bran (TP2)]

Guar period

Placebo period

Initial

End

Initial

End

FPG (mmol/L)

9.31 ± 0.53

8.29 ± 0.47

8.74 ± 0.49

8.78 ± 0.53

p < 0.05

NS

A1C (%)

9.67 ± 0.40

8.70 ± 0.39

9.27 ± 0.41

9.09 ± 0.39

p < 0.02

NS