Pet Nutrition

How to shop for pet food and supplements online

Start with the AAFCO statement. In the US, a complete diet should carry a nutritional adequacy statement saying it is "complete and balanced" for a specific life stage (growth, adult maintenance or all life stages) based on formulation or feeding trials. Foods without it, or labeled "for intermittent or supplemental feeding," are treats or toppers, not a full diet. Large-breed puppies need a food formulated for large-breed growth to manage calcium levels.

Read the guaranteed analysis on a dry-matter basis. Wet food looks lower in protein on the label because of its water content. To compare wet and dry foods, convert to dry matter: divide the protein percentage by the dry percentage (100 minus moisture). This often shows wet foods are similar or higher in protein than kibble.

Ingredient lists. Ingredients are listed by weight before cooking, so a whole meat listed first may contribute less after water is removed than a meat meal listed later. Marketing terms such as "natural," "human-grade," "holistic" and "longevity" have limited or no regulatory meaning for pet food.

Grain-free and boutique diets. The FDA has investigated a possible link between some grain-free and legume-heavy diets and dilated cardiomyopathy in dogs. The question is not fully settled, but many veterinary nutritionists recommend choosing foods from manufacturers that employ qualified nutritionists and conduct feeding trials. Ask your vet before switching to a boutique or grain-free diet.

Supplements. Pet supplements are lightly regulated and quality varies. Look for the NASC Quality Seal, which indicates the company has passed audits for quality practices. Common supplements include joint products (glucosamine, chondroitin, green-lipped mussel), fish oil for skin and joints, and probiotics. Dosing matters, and some human supplements, like those containing xylitol, are toxic to dogs. Run every new supplement past your veterinarian, especially if your pet takes medication.

Switching foods. Transition gradually over about 7 to 10 days, mixing increasing amounts of the new food with the old to avoid stomach upset. Watch stool quality, coat and energy.

Vetting a pet nutrition store. Before ordering, confirm the store shows full ingredient panels, guaranteed analysis, a contact address, and written shipping and return policies. Food and supplements are usually non-returnable once opened, so a satisfaction guarantee matters. If those details are missing, pay with a card that offers purchase protection or buy elsewhere.

Subscriptions. Auto-ship saves money and prevents running out, but check skip and cancel rules.

Which brand fits which buyer

• Pet owners referred to Zuma Pet Nutrition by someone who uses it: Zuma Pet Nutrition, only after confirming ingredients and refund terms in writing and checking with your vet.
• Everyone else: choose a pet food or supplement brand that publishes complete ingredient panels, an AAFCO statement and a written return policy. We will add recommendations here as we review more brands.