Extra benefits. Regularly using VitaFiber will help promote digestive health since it’s a source of dietary fibre that are necessary for maintaining good gut health. Most sweeteners and sugar alternatives currently on the market do not offer these benefits.No aftertaste. VitaFiber actually tastes great! Many of the sweeteners and sugar alternatives on the market have a strong flavour or a weird aftertaste which isn’t pleasant and doesn’t feel natural. Lower calorie. VitaFiber has 42% less calories than honey or sugar. It sweetens your recipes without the added calories.