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Discover Mad Barn’s extensive selection of single ingredient supplements — providing exceptional value for horse owners who want complete control over their horse’s feeding program.

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Muscles & Nerve Support
From $7.99
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Immune & Respiratory Support
From $44.99
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Organic Trace Mineral Blend
From $29.99
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MSM
Joint Health Supplement
From $21.99
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Circulation & Respiratory Support
From $49.99
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Essential Amino Acid Blend
From $39.99
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Mood & Hormone Support
From $37.99
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Pure Natural Vitamin E Powder
From $74.99
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Hoof, Skin & Coat Support
From $44.99
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Liver & Metabolic Support
From $38.99
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Bioavailable Phosphorus Source
From $14.99
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Performance & Muscle Support
From $79.99
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Pure Amino Acid Supplement
From $21.99
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Organic Trace Mineral Supplement
From $29.99
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Organic Trace Mineral Supplement
From $27.85
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Pure Amino Acid Supplement
From $34.99
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Organic Trace Mineral Supplement
From $31.96
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Digestive Fiber Supplement
From $19.99
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Pure Amino Acid Supplement
From $32.99
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Precision Nutrition for Every Horse

Mad Barn’s bulk single-ingredient supplements give you complete control over your horse’s nutrition, without fillers, flavors, or unnecessary additives. Whether you're customizing a ration from the ground up or fine-tuning a diet to address specific health concerns, these supplements offer complete flexibility to meet your horse’s unique needs.

From essential minerals and vitamins to amino acids and functional herbs, each ingredient is sourced and formulated for consistency, affordability, and ease of use. These products are ideal for advanced ration balancing under the guidance of a qualified equine nutritionist.

Bulk Ingredients at a Great Price

Our ingredients are organized by nutritional function, giving you the tools to fill specific gaps in your horse’s diet or support targeted goals.

  • Minerals: Essential for metabolic balance, enzyme activity, hoof integrity, and immune function. Mad Barn offers both macro and trace minerals in highly bioavailable forms to support overall health and performance. Popular options include magnesium oxide and our organic 3:1 Zinc Copper blend.
  • Vitamins: Support cellular energy metabolism, antioxidant defense, immune response, and general well-being. Individual vitamins such as biotin and vitamin E allow for exact supplementation based on your horse’s needs.
  • Amino Acids: The building blocks of muscle, connective tissue, enzymes, and more. Supplementing with essential amino acids supports growth, repair, topline development, and athletic performance. Three Amigos is our best-seller, providing a concentrated blend of lysine, methionine, and threonine — the three most commonly limiting amino acids in the equine diet.
  • Herbs: Plant-based ingredients used to support circulation, respiratory health, immune modulation, mood regulation, and more. Includes spirulina, chasteberry, jiaogulan, and milk thistle.
  • Functional Compounds: Includes ingredients like MSM, a highly bioavailable source of sulfur. Sulfur is a key component of compounds like glucosamine and collagen that support joint health, connective tissue integrity, and recovery after exercise.

Single-ingredient supplements should always be incorporated into a complete and balanced feeding program. Adding nutrients without considering the overall diet can lead to unintended imbalances, which is why our equine nutritionists are here to help.

Submit a free diet evaluation to receive a customized nutrition plan based on your horse’s age, workload, health status, and current feeding program.

Frequently Asked Questions

All of Mad Barn’s bulk ingredient supplements are available in a concentrated powder form, offering flexibility and control when formulating a feeding program. Most can be easily mixed with a carrier such as soaked beet pulp, hay pellets, or top-dressed on the horse’s regular feed.

These ingredients are typically mixed with a carrier (such as soaked beet pulp or hay cubes) or top-dressed directly on the horse’s feed. The best method depends on the individual supplement, the feeding program, and your horse’s preferences. Our equine nutritionists can help guide proper usage and inclusion rates based on your horse’s current diet and goals.

Trace minerals should always be incorporated into a balanced feeding plan. We recommend starting with a complete vitamin and mineral supplement, such as Omneity or AminoTrace+, to meet core nutrient requirements. This approach is often a more convenient, economical, and comprehensive way to provide a balanced diet. From there, specific ingredients can be added to correct imbalances or fine-tune the program based on your horse’s needs.

For best results, submit a forage or hay analysis and request a free diet evaluation to determine the correct inclusion rates and avoid over- or under-supplementation.

Yes, in many cases multiple single-ingredient supplements can be combined. However, it’s important to consider the horse’s total diet to avoid nutrient redundancies or imbalances. Some ingredients may cause imbalances if used together without proper planning.

For the best approach, submit a free diet evaluation and let our nutritionists help design a custom feeding plan that uses the right combinations at appropriate levels.

Single-ingredient supplements are best used for fine-tuning a horse’s diet when specific nutrients are deficient or imbalanced. However, for most horses, it’s more convenient and cost-effective to begin with a complete vitamin and mineral supplement that covers all essential nutrients.

Single ingredients are ideal for advanced ration balancing, horses with specific health needs, or situations where custom formulations are required. Our team can help determine the best approach for your horse based on forage analysis and current feeding practices.