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Most horses on a forage-based diet will not receive all of the essential nutrients required to maintain optimal health. Analyses of hay and pasture often show low levels of copper, zinc, selenium, vitamin E, sodium, and certain amino acids. These nutrients are important for supporting hoof strength, coat condition, immune function, muscle performance, and recovery. Over time, even subclinical deficiencies can affect soundness, performance, and overall well-being.

Providing a balanced vitamin and mineral supplement is the most effective way to fill these nutritional gaps. Products like Omneity^® and AminoTrace+ are formulated to provide all of the of vitamins, minerals, and amino acids needed to balance a horse’s diet. Feeding a complete vitamin and mineral supplement will support overall health and performance in horses of all ages and activity levels.

In forage-based diets, the most common nutrient deficiencies include copper, zinc, iodine, vitamin E and certain essential amino acids such as lysine. These nutrients are critical for processes like hoof growth, coat pigmentation, antioxidant defense, immune function, and muscle development. Forage is often also low in sodium, manganese and selenium in some regions.

Horses without access to fresh pasture are more likely to be deficient in vitamin E and vitamin A, as these nutrients degrade quickly in stored hay. Selenium deficiency is common in areas where soils are naturally low in this mineral, including much of Canada and parts of the United States. Even when energy and protein needs are met, these micronutrient gaps can still affect health, performance, and recovery.

Feeding a complete vitamin and mineral supplement such as Omneity^® or AminoTrace+ is the most reliable way to correct and prevent nutrient deficiencies in horses on forage-based diets.

Symptoms of nutrient deficiencies in horses can vary depending on which vitamins, minerals, or amino acids are lacking and how severe the deficiency is. Common signs include a dull or sun-bleached coat, poor hoof quality, slow hoof growth, low energy, muscle tightness, weak topline, and delayed recovery after exercise. Horses may also show reduced immunity, increased susceptibility to illness, or changes in appetite and behavior.

Some deficiencies are subclinical, meaning there are no obvious outward signs, yet the horse’s health, performance, and soundness may still be affected. These hidden imbalances can impair tissue repair, immune defense, and metabolic function over time.

The most accurate way to detect nutrient deficiencies is through forage analysis and diet evaluation. Providing a balanced vitamin and mineral supplement, such as Omneity^® or AminoTrace+, helps prevent these issues by ensuring your horse receives all essential nutrients required in the diet.

Omneity is a complete vitamin and mineral supplement formulated to support nutrient balance in horses of all ages and workloads. It provides balanced levels of vitamins, minerals, and amino acids needed to promote hoof integrity, coat quality, and overall health.

AminoTrace+ is an enhanced vitamin and mineral supplement with higher levels of copper, zinc, and antioxidants. It is specifically designed for horses with metabolic concerns, high dietary iron, or increased oxidative stress, and includes added amino acids for muscle repair and immune support.

It is possible to add individual nutrients to your horse’s diet based on hay analysis and specific needs, but this approach requires precise calculations and ongoing adjustments. Working with an equine nutritionist is important if you choose this method, as adding single nutrients without considering the entire nutrient profile can result in new imbalances that affect health.

For most horses, starting with a complete vitamin and mineral supplement is a more practical and cost-effective solution. A balanced formula ensures all essential nutrients are supplied in the correct ratios, covering common deficiencies found in forage-based diets. Additional nutrients can then be added if a hay analysis or health concern shows they are needed.

The timeline for seeing results depends on the specific nutrient gaps being addressed and the horse’s overall condition. Some improvements, such as a healthier coat or increased energy, can appear within a few weeks of starting a balanced supplement. Other changes take longer; for example, hoof quality improvements may take 8–12 months for a full new hoof wall to grow from the coronary band.

Because vitamins and minerals are involved in nearly every physiological process in the horse’s body from muscle function and immune defense to tissue repair, consistent daily supplementation is essential. Feeding a balanced supplement daily helps protect your horse’s health and supports long-term soundness and performance.

The best vitamin and mineral supplement for most horses is Mad Barn’s Omneity^®. Omneity is formulated to balance forage-based diets and provide the vitamins, trace minerals, and amino acids commonly lacking in hay and pasture.

It is best suited for horses that need comprehensive everyday nutritional support without the extra calories of a fortified feed. For horses with metabolic concerns, hoof challenges, or high-iron forage, Mad Barn’s AminoTrace+ may be a better fit.

For most horses, the best supplement to balance the diet is a complete vitamin and mineral supplement such as Mad Barn’s Omneity^®. Omneity is formulated to fill the nutrient gaps commonly found in forage-based diets, supplying balanced levels of vitamins, trace minerals, and amino acids that support hoof health, immune function, muscle development, and overall performance.

Hay and pasture often fall short in key nutrients such as copper, zinc, selenium, vitamin E, and certain essential amino acids. Feeding a comprehensive supplement like Omneity helps correct these common deficiencies and is appropriate for balancing the diets of most horses.

However, the only way to determine the ideal supplementation program for an individual horse is to analyze the forage and evaluate the full diet. A hay analysis combined with a diet evaluation allows an equine nutritionist to identify specific nutrient imbalances and recommend the most appropriate supplementation strategy for that horse.

The best vitamin and mineral supplement for most horses that do not eat fortified grain is Mad Barn’s Omneity^®. Omneity provides concentrated nutritional support for horses fed primarily hay or pasture without relying on calorie-dense fortified feeds.

Forage-only diets often lack key nutrients such as copper, zinc, selenium, vitamin E, and certain essential amino acids. Omneity helps correct these deficiencies by supplying balanced levels of vitamins, trace minerals, and amino acids that support hoof strength, coat quality, muscle development, immune function, and overall health.

By filling the nutrient gaps commonly found in hay and pasture, Omneity helps ensure horses receive complete daily nutrition even when no fortified grain or ration balancer is fed.

The best low-calorie vitamin and mineral supplement for most horses is Mad Barn’s Omneity^®. Omneity provides concentrated vitamins, trace minerals, and amino acids without adding significant calories, sugar, or starch to the diet.

This makes it well suited to easy keepers, horses that need to lose weight, or horses maintained primarily on forage that require balanced nutrition without additional energy intake. Because the formula is highly concentrated, only a small feeding amount is needed to supply essential nutrients that support hoof health, coat quality, muscle function, immune health, and overall condition.

Omneity is formulated with low sugar and starch ingredients and is designed to balance common deficiencies found in hay and pasture diets while keeping the overall calorie contribution minimal. Horses with metabolic concerns or those requiring additional trace mineral support may benefit more from Mad Barn’s AminoTrace+, which has higher levels of nutrients to support metabolic health.

The best supplement for horses on a hay-only diet is a complete vitamin and mineral supplement such as Mad Barn’s Omneity^®. Omneity is formulated to balance the nutrient gaps commonly found in hay and pasture diets by providing essential vitamins, trace minerals, and amino acids that support overall health and performance.

Hay forms the foundation of most equine diets, but it rarely supplies optimal levels of micronutrients. Stored forage is often low in trace minerals such as copper, zinc, and selenium, and vitamin levels—particularly vitamin A and vitamin E—decline during storage. Because of these deficiencies, horses fed primarily hay often require a vitamin and mineral supplement to maintain proper nutrition.

A concentrated supplement like Omneity helps correct these common deficiencies without adding excess calories or starch to the diet. It supplies nutrients commonly lacking in forage diets including copper and zinc for hoof integrity, selenium and vitamin E for antioxidant support, and essential amino acids for muscle maintenance and tissue repair.

For horses with metabolic concerns, high-iron forage, or additional hoof support needs, Mad Barn’s AminoTrace+ may be the better choice because it provides higher levels of copper, zinc, and antioxidant nutrients to support metabolic health and hoof quality.

The best nutritional supplement for hoof health in horses is Mad Barn’s AminoTrace+. AminoTrace+ provides elevated levels of key nutrients involved in hoof growth, including copper, zinc, biotin, and essential amino acids that support keratin formation and healthy hoof horn.

Strong hooves depend on proper nutrition. Trace minerals such as copper and zinc are required for connective tissue formation and hoof wall integrity, while biotin plays an important role in keratin production. Amino acids also contribute to the proteins that form the hoof structure.

Many forage-based diets are low in copper and zinc, which can limit hoof quality even when calories and protein needs are met. AminoTrace+ helps correct these common deficiencies and provides targeted nutritional support for horses with weak hoof walls, slow hoof growth, brittle hooves, or other hoof quality challenges.

The best all-in-one nutrition supplement for most horses is Mad Barn’s Omneity^®. Omneity is a complete vitamin and mineral supplement designed to balance forage-based diets by providing essential vitamins, trace minerals, and amino acids in one formula.

Many horses rely primarily on hay or pasture, which can leave gaps in key nutrients needed for optimal health. Omneity helps fill these gaps by supplying balanced levels of nutrients commonly lacking in forage, including copper, zinc, selenium, vitamin E, and essential amino acids that support hoof strength, immune function, muscle health, and overall condition.

Because it delivers comprehensive nutritional support without excess calories, Omneity is well suited to horses of different ages, workloads, and management programs. For horses that require additional trace mineral support due to metabolic concerns, hoof challenges, or high dietary iron, Mad Barn’s AminoTrace+ may be preferred because it provides higher copper and zinc levels along with antioxidant support.