PSI
PetSupplementsIndexScience-Backed Rankings

FOS (Fructooligosaccharides)

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Detailed reference data for this ingredient is being compiled. Check back soon.

Products Containing FOS (Fructooligosaccharides)

Top-rated supplements featuring this ingredient, ranked by our PSI+ score.

NOW Pets G.I. Support Powder for Dogs & Cats - Digestive & Immune Health - 6 oz pet supplement

NOW Pets G.I. Support Powder for Dogs & Cats - Digestive & Immune Health - 6 oz

NOW Pets

PSI+ 91.0$22.99
NOW Pets G.I. Support for Dogs & Cats - Digestive Health with Enzymes & Probiotics pet supplement

NOW Pets G.I. Support for Dogs & Cats - Digestive Health with Enzymes & Probiotics

NOW Pets

PSI+ 88.0$22.99