-Katey Campbell, KC Equine Wellness
Marketing in the equine world is incredibly powerful, and horse owners are constantly being sold the idea that “health comes in a bag.” Processed feeds and ration balancers are packaged with promises of balance, vitality, topline, metabolic support, and convenience, and because the messaging is polished and persuasive, many owners trust the bag more than the biology. But after working with hundreds of horses and reviewing just as many bloodwork and mineral panels, I see a very different reality: horses fed ration balancers and processed feeds are often the ones showing the most imbalance, inflammation, and metabolic dysfunction. Not because owners are doing anything wrong, but because they’re being marketed a shortcut that simply doesn’t work.
If a product comes in a bag and promises you health, it usually won’t deliver. Horses, like humans, thrive on whole foods, minimally processed ingredients, low sugar, and bioavailable nutrients. We already know this for ourselves, no nutritionist would tell a human to live off fortified cereal, gummy vitamins, and processed meal replacements. Yet somehow the equine industry has normalized the exact same thing for horses. Ration balancers, in particular, are often the nutritional equivalent of bargain‑bin multivitamins. They’re cheap to produce, heavily marketed, and often made with synthetic vitamins and inorganic minerals that the body struggles to absorb. Sometimes this can be better than doing nothing, however that patterns I am seeing indicate that they create dysfunction and imbalance more often than you would think.
Multivitamins, for humans or horses, often don’t work for several reasons. They rely on low‑quality, poorly absorbed forms, oxides, sulfates, and carbonates like magnesium oxide, copper sulfate, zinc oxide, and cyanocobalamin. They ignore individual needs, even though no two horses have the same forage, workload, metabolic status, or mineral profile. They create new imbalances by adding minerals in incorrect ratios, especially when iron and manganese are already high in water and most forages. They fail to address root causes like poor forage quality, inflammation, or metabolic dysfunction. And because synthetic vitamins and inorganic minerals require more detoxification and conversion, they add stress to the liver rather than supporting it. This is why multis often don’t work, they’re not designed for precision, they’re designed for mass production. What's interesting is that you can have multiple horses on the exact same ration balancer, the same diet, in the same barn, on the same training schedule, and they all present with different imbalances in blood work, different health issues, and present with different requirements in nutrition. This is why its important to support them as individuals.
Many processed feeds and ration balancers contain binders and fillers such as: sugar, soy, wheat middlings, corn, distillers grains, vegetable oils, calcium carbonate, flavourings, and fake sweeteners. These ingredients spike insulin, pushing the horse into metabolic stress and forcing the pancreas to work harder than it should. They disrupt hindgut microbes, which destabilizes fermentation, increases acidity, and sets the stage for ulcers, colic, and behavioral tension. They increase systemic inflammation, creating a chronic internal fire that affects joints, hooves, hormones, and overall comfort. They interfere with mineral absorption, especially copper and zinc, which are already low in most horses and essential for hoof quality, immune function, and metabolic stability. They add oxidative stress, meaning the body has to burn through antioxidants just to neutralize the byproducts of these ingredients. And for metabolic or insulin‑resistant horses, these ingredients aggravate the condition, worsening insulin spikes, laminitis risk, fat deposition, and hormonal imbalance.
Research supports what we see in real horses. Appropriate forage including hay and plants is the foundation of equine nutrition, and horses are biologically designed to meet most of their needs from forage, not processed feeds. Studies from the NRC, University of Kentucky, and Colorado State University highlight how critical mineral ratios are, especially the balance between iron, zinc, and copper. Research also shows that organic, chelated minerals are significantly more bioavailable than inorganic forms, yet most ration balancers rely on the cheapest forms available. And numerous studies link high‑starch, highly processed feeds to insulin spikes, hindgut disruption, and systemic inflammation. The science is clear: whole‑food‑based, forage‑first nutrition aligns with equine biology; processed feeds do not.
What I see in horses mirrors the research. Horses on ration balancers and processed feeds frequently show low copper, low zinc, low selenium, high iron, high manganese, elevated inflammatory markers, poor hoof quality, hormonal dysregulation, and unstable metabolic patterns. These aren’t random findings, they’re the predictable outcome of feeding multis that don’t work and relying on processed feeds to do a job they were never designed to do. It doesn’t have to be complicated or expensive, but it does have to be thoughtful, precise, and individualized. Horses need quality forage, a variety of plants, correct mineral balancing, whole‑food support where appropriate, and bioavailable supplementation tailored to their biology, not a bag of pellets with a marketing promise. You do also have to consider that multis are not the only culprit for dysfunction. Lifestyle factors, genetics, stress, training, they must also be considered.
When we step back, get discerning, and stop outsourcing our decisions to feed companies, we start seeing horses transform, calmer minds, healthier feet, better metabolism, stronger toplines, and bodies that finally have the raw materials to heal and be well! Remember that prevention is key but not matter what positive change can always be made.
If you would like to know more or have questions, I would love to hear from you.