Purina Pro Plan Sensitive Skin & Stomach Turkey & Oat Meal Formula Dog Food

6 ingredients in this list are ones we hold sourced evidence on , and 1 of them is genuinely contested rather than merely unpopular online.

• Pea protein · ingredient 9ContestedA concentrated protein fraction extracted from peas, used to raise a food's protein content without added meat. As a pea-derived pulse ingredient it falls within the group of legume ingredients examined in the FDA's open 2018 investigation into diet-associated canine DCM; metabolomic work has flagged pea-related compounds, but causation has not been shown.
• Named Meat/Poultry Meal (e.g., Chicken Meal, Lamb Meal) · ingredient 4Well supportedA rendered, water- and fat-reduced concentrate from a named species (AAFCO, e.g., 'chicken meal'). Because most moisture is removed it is a dense protein source (poultry meals commonly around 57-69% crude protein) and it names the species for allergy avoidance.
• Mixed tocopherols (natural vitamin E) · ingredient 7Well supportedA blend of vitamin E forms (alpha-, beta-, gamma-, delta-tocopherol) used as a natural-source antioxidant to slow fat rancidity, commonly chosen as an alternative to synthetic preservatives. EFSA concluded that tocopherol-rich extracts are safe for all animal species and the consumer and are efficacious antioxidants in feed.
• Fish oil (EPA + DHA omega-3) · ingredient 12Well supportedMarine-source omega-3 fatty acids (EPA and DHA) from fish oil. A randomized, double-blinded controlled trial (Roush 2010) found improved weight-bearing in dogs with osteoarthritis, and a 2022 meta-analysis identified clear clinical analgesic efficacy for omega-3-enriched diets and supplements.
• Prebiotics (chicory root / inulin, FOS) · ingredient 13NeutralFermentable fibers (chicory-derived inulin and fructooligosaccharides) that feed colonic bacteria and are readily fermented to short-chain fatty acids in dogs. Feeding studies show they shift fecal microbiota composition and are well tolerated at typical inclusion levels, but clear health benefits beyond compositional change are not yet established.
• Probiotics (live microbials) · ingredient 25NeutralLive microbial supplements (e.g., Enterococcus faecium SF68, dried fermentation products) intended to support gut health. A 2019 JVIM systematic review found the effect on acute gastrointestinal disease in dogs limited and possibly clinically unimportant, and benefits appear strain- and context-specific: in one shelter trial SF68 significantly reduced diarrhea in cats but not in dogs.