Background: Fiber supplements added to a caloric diet have additional effects on weight
reduction in overweight subjects. The aim of this study was to compare the effect of various
commercial fiber supplements (glucomannan, guar gum and alginate) on weight reduction
in healthy overweight subjects. Material/Methods: One hundred and seventy six men and
women were included to receive either active fi ber substance or placebo in randomized
placebo-controlled studies. The fi ber supplements consisted of the viscous fi bers …