Bio Nutrition - Pre-Biotic with LLife-Oligo 1400 mg. - 60 Vegetarian Capsules BioNutrition Pre-Biotic with LLife-Oligo XOS (Xylo-oligosaccharide) is a non-digestible oligosaccharide extracted from corncob through a patented enzymatic process. Due to its clinically-researched prebiotic abilities L
