Module 04 · Diet by diet
What each diet misses
Owners feed all sorts of ways, and each approach leaves different gaps. Knowing them lets you meet any customer where they are - VitaDog complements every one of these, it doesn't argue with them.
Kibble & commercial dry food
Heat-degraded omega-3, oxidised fats, and synthetic vitamins added back only to the minimum.
The most common diet, and the one the diet gap was built to describe. High-heat extrusion destroys heat-sensitive nutrients and delicate fats; a synthetic vitamin premix is sprayed back on, but only to hit AAFCO minimums. Then months of shelf life let the fats - especially any omega-3 - oxidise further.
Most likely gaps: fresh, active omega-3 (EPA/DHA); a robust antioxidant supply; live probiotics (killed by processing); and "optimal" rather than "minimum" levels of many micronutrients.
Position it - "Kibble gives them the basics. VitaDog adds back the fresh omega and the extra support that heat and shelf-time strip out."
Home-cooked meals
The big research finding: the overwhelming majority of homemade recipes are missing at least one essential nutrient.
Cooking for your dog is an act of love, but love doesn't balance a diet. A widely cited UC Davis study found that the vast majority of homemade dog food recipes were deficient in at least one essential nutrient, and most had multiple deficiencies - and that held even for some recipes written by vets. A separate large analysis of over 1,700 recipes reached a similar conclusion.
Most likely gaps: calcium (and a skewed calcium-to-phosphorus ratio), vitamin D, zinc, copper, choline, vitamin E, and several B vitamins. Small swaps - like changing the oil - can quietly break the balance of an otherwise good recipe.
Position it - "Home-cooking gives you total control - which is exactly why it needs a reliable micronutrient base so nothing important slips through the cracks."
Raw & BARF diets
Often short on the same minerals and vitamin E - and, unsupplemented, can cause serious problems, especially in puppies.
Raw and BARF (Biologically Appropriate Raw Food) diets can be excellent when carefully formulated, but unsupplemented versions are frequently imbalanced. The literature repeatedly flags deficiencies in vitamins A and D, calcium, manganese, iodine, zinc and copper, and raw diets are typically low in vitamin E unless it's added.
The stakes are real: boneless raw meat diets with the wrong calcium-to-phosphorus balance have caused nutritional secondary hyperparathyroidism and bone problems, especially in large-breed puppies. Even "complete" pre-prepared raw foods have tested below recommended levels for minerals like zinc and copper.
Most likely gaps: vitamin E, zinc, copper, iodine, manganese, and correct mineral ratios.
Position it - "Raw feeders care about doing it right. A consistent vitamin, mineral and fresh-omega base is the safety net that makes a raw diet complete."
Fresh & gently cooked (human-grade) food
Better than kibble on freshness, but omega-3 levels and long-term micronutrient consistency still vary.
Premium fresh and gently-cooked diets avoid a lot of the heat damage of kibble and are usually more digestible. But they aren't automatically optimised for everything: marine omega-3 is still often modest, antioxidant levels vary by recipe, and batch-to-batch consistency depends on the brand.
Most likely gaps: a strong, dedicated EPA/DHA dose, and consistent daily antioxidant and joint support.
Position it - "Fresh food is a brilliant base. VitaDog tops it up with the concentrated omega-3 and targeted support even good fresh food doesn't focus on."
Grain-free & boutique diets
Popular, but some carry their own question marks - and none of them removes the case for supplementation.
Grain-free and boutique diets are a large category, and quality varies enormously. Some have drawn scrutiny over the years around ingredient choices and how they affect nutrients like taurine. Whatever the food, the same principle applies: the diet gap doesn't disappear just because a food is trendy or expensive.
The takeaway for partners: don't get drawn into arguing about any specific food. VitaDog's job is to complement whatever's in the bowl, not to referee the food debate.
Position it - "Whatever you feed, a daily foundation of fresh omega and full-spectrum micronutrients is the constant that makes any diet better."





