Listed in canine joint formulas. Some product descriptions identify shellfish as the source and describe its nutritional role in supporting joint health and mobility.

Included in select joint formulas. Product descriptions identify porcine sources in some products and describe its role in cartilage support.

Methylsulfonylmethane appears in several canine joint product listings. Review the product label for the specific amount and serving directions.

A botanical ingredient listed in one canine joint formula. Its inclusion and amount depend on the specific product.

Our listings include fish oil, salmon oil and cod or cod liver oil. Some products identify omega-3 fatty acids, including EPA and DHA. Sources and fatty-acid profiles vary by formula.

Schizochytrium algae is listed in select canine chews as a source of DHA. Check the product label for the amount in that formula.

Also known as vitamin B7, biotin appears in several dog and cat skin and coat product listings.

Zinc sources listed in our products include zinc proteinate and zinc methionine. The source and amount vary by formula.

These antioxidant nutrients appear in several formulas, including selected joint and skin and coat products.

A plant ingredient included in select dog products. Product information identifies it as a source of omega fatty acids.

Our product listings include multi-strain blends with Bacillus and Lactobacillus species. Strains and CFU amounts differ across products; check the product label.

A named Bacillus subtilis strain included in one canine probiotic listing. Refer to that product's label for blend and serving details.

Some dog products list the prebiotic fibers FOS and GOS or yeast-derived postbiotic ingredients. The blend varies by product.

Listed together in one canine formula. Product information describes pumpkin as a source of dietary fiber and bromelain as a digestive enzyme.

Cat product listings include psyllium husk, citrus pulp and apple pomace as sources of dietary fiber.

Vitamin ingredients appear across several dog and cat products. Specific vitamins, forms and amounts differ by species and formula.

Coenzyme Q10 is listed in the canine multivitamin product description. Check the label for the form and amount.

Both nutrients are listed in feline multivitamin products. Use cat-specific products as directed on their labels.

These ingredients are listed in a canine calming chew. The blend, amounts and directions are specific to that product.

Included in the calming product listing. Ask your veterinarian before combining calming ingredients with medications or other supplements.

Listed as ingredients in a canine calming formula. Amounts and use instructions vary by product.

Botanical ingredients listed in select canine products. This directory describes product-listing ingredients and does not make disease-treatment claims.

Bovine colostrum and astragalus root are named in one canine product listing. See that product's label for amounts.

These ingredients appear in one canine chew listing. Their inclusion is noted here without making pest-prevention claims.