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| Particle Particle Size Parts Per Million (Ppm) Pathogen Peat Pectine Peptide Permeability Pesticides Pext Ph Phagocyte Polymer Prebiotic Probiotic Protein (Protid) Protein-Prion |
| A range of non-digestible dietary supplements which selectively stimulate the growth or activities, or both, of certain bacteria such as lactobacili or bifidobacteria in the colon. Prebiotics include lactulose, lactitol, oligosaccharides and inulin. |