Best Oils and Supplements for Horse Weight Gain and Healthy Coats 2025
Supporting your horse’s weight gain and overall health can be effectively managed with the right oils and supplements. These products typically feature high-calorie content, essential fatty acids, and additional nutrients that promote weight gain, shiny coats, and joint wellness. Below is a selection of top-rated oils and compounds to consider for your horse’s nutritional needs, along with a quick overview for comparison.
| Product | Key Features | Weight/Volume |
|---|---|---|
| Manna Pro Weight Accelerator for Senior Horses | High fat and calories, Omega 3 fatty acids, probiotics, biotin for hooves | 8 lb Bag |
| Uckele CocoSoya Oil | Soybean & coconut oil blend, omega 3, 6, 9 fatty acids, supports coat shine | 1 Gallon |
| 100% Pure Camelina Oil by Smart Earth | Rich in omega 3 & vitamin E, anti-inflammatory, cold-pressed, non-GMO | 1 Gallon |
| UltraCruz Equine Weight Gain Supplement | Flax oil and natural vitamin E, supports weight management | 1 Gallon |
| Horse Guard Super Weight Gain Supplement | Vitamin/mineral blend, probiotics, prebiotics, boosts protein & fat intake | 10 lb Bag |
Manna Pro Weight Accelerator for Senior Horses – Weight Gain and Muscle Support Supplement

Manna Pro Weight Accelerator is designed specifically for senior horses needing to regain or maintain healthy body condition. This supplement is high in fat and calorie levels, offering a rich energy source which encourages healthy weight gain. It contains Omega 3 fatty acids derived from flaxseed, promoting a healthy skin and coat condition. Additionally, it includes probiotics to support proper digestion and biotin to encourage hoof growth. This formula works as a feed topper, allowing easy integration into existing diets to support muscle development and general vitality.
Uckele by SmartEquine CocoSoya Oil | Oil for Skin and Coat

The Uckele CocoSoya Oil blends soybean and coconut oils to deliver essential omega 3, 6, and 9 fatty acids. These nourishing fatty acids support overall coat health and contribute to a lustrous shine and healthy skin. This oil works from the inside out to enhance your horse’s coat appearance while providing cool calories, making it ideal for horses needing weight gain without additional starch or sugars. It is favored to improve skin texture and promote the natural health of hooves and hair.
100% Pure Camelina Oil for Horses – Omega 3 & Vitamin E Rich Supplement

Smart Earth’s Camelina Oil is a cold-pressed, all-natural oil harvested in Canada. This oil contains a well-balanced ratio of omega-3 to omega-6 fatty acids known to support anti-inflammatory benefits, which can aid horses suffering from arthritis or joint pain. Its rich vitamin E content contributes to skin and coat health, while the oil also assists with weight gain by providing concentrated calories. Its purity—no fillers or additives—makes it a precise supplement for maintaining shine and enhancing performance.
UltraCruz Equine Weight Gain Supplement for Horses

The UltraCruz Equine Weight Gain Supplement offers a rich source of Omega-3 fatty acids combined with flax oil and natural vitamin E to support healthy weight management. This supplement targets fat deposition and muscle support. It can be an excellent choice for horses that need a straightforward, natural supplement to boost calories and support coat shine with antioxidants. Its liquid form allows for easy feeding alongside regular meals.
Super Weight Gain 10 lb, Equine Vitamin Mineral, Probiotic & Weight Gain Supplement

Horse Guard’s Super Weight Gain combines vitamins, minerals, probiotics, and prebiotics in an innovative formula designed to boost protein and fat intake. This supplement works comprehensively to enhance muscle definition, coat health, and digestive efficiency. Its probiotic blend supports gut health which is crucial in nutrient absorption and overall vitality. Gaining weight with this product is supported by balanced nutrition rather than just increased calories, making it suitable for performance horses as well as those needing general conditioning.
Buying Guide for Horse Weight Gain Oils and Supplements
Choosing the best oil or supplement for your horse’s weight gain depends on several key factors:
Fatty Acid Content and Type
Look for products rich in omega-3, omega-6, and omega-9 fatty acids. These are vital for skin, coat, joint health, and inflammation management. Different oils like flaxseed, soybean, coconut, and camelina provide varying balances of these fatty acids.
Calorie Density
Weight gain supplements should be high in fat and calorie content as fats contain more than twice the energy of carbohydrates. Products with concentrated fat levels like Manna Pro’s Weight Accelerator or Cool Calories 100 efficiently support weight gain without increasing volume of feed.
Additional Nutrients
Supplements containing probiotics, prebiotics, biotin, and vitamins promote digestion, hoof health, and muscle growth. Biotin supports stronger hooves, probiotics assist gut health which impacts nutrient absorption, and vitamins (like E) offer antioxidant protection.
Horse’s Age and Condition
Senior horses may benefit from formulas tailored to their unique digestion and metabolic needs, such as Manna Pro Weight Accelerator. Younger or active horses may require products with balanced fatty acids and supportive minerals to maintain performance and condition.
Form and Ease of Use
Oils come in liquid or dry supplement forms. Liquids like UltraCruz and Uckele oils can be mixed easily into feed, while dry formulas like Horse Guard’s Super Weight Gain require measuring but often combine multiple nutrient classes for comprehensive support.
Ingredient Purity and Quality
Non-GMO, cold-pressed oils like Smart Earth’s Camelina Oil ensure minimal processing, retaining nutrient quality and reducing potential allergens or fillers.
By considering these aspects, you can select a product that best fits your horse’s lifestyle and nutritional demands to promote healthy weight gain and enhance overall well-being.