Top 5 Senior Feeds for Weight Gain: Quick Review

Does your beloved senior horse look a little too thin for comfort? Watching a horse you care for lose weight can be worrying. As horses age, their bodies change. They might not chew as well, or their digestion might not work like it used to. This makes it tough for them to keep the weight on they need to stay healthy and happy.

Finding the perfect senior feed for weight gain feels like a puzzle. You want something packed with the right stuff, but not too hard on their old teeth. You worry about picking the wrong bag and not seeing the results you hope for. It’s a common challenge for many horse owners who want the best for their golden-aged companions.

This post cuts through the confusion. We will explore exactly what makes a senior feed great for putting on healthy weight. You will learn what ingredients to look for and what to avoid. By the end, you will feel confident choosing a feed that helps your horse thrive.

Top Senior Horse Feed For Weight Gain Recommendations

No. 1
Manna Pro Weight Accelerator for Senior Horses – Weight Gain and Muscle Support Supplement with Omega 3 Fatty Acids and Flaxseed – High-Calorie Feed Topper for Horses – 8 lb Bag
  • HIGH FAT AND CALORIE LEVELS: Manna Pro Senior Weight Accelerator is specially formulated with high fat and calorie content to help senior horses gain and maintain a healthy body condition, supporting energy needs and overall vitality in older horses.
  • OMEGA-3 FATTY ACIDS FOR SKIN & COAT: Senior Horse Supplement contains flaxseed-derived Omega-3s to support skin hydration, reduce dryness, and promote a glossy coat. Helps aging horses maintain healthy skin, improved coat condition, and vitality.
  • FORMULATED FOR SENIOR HORSES: Tailored nutrition for aging horses with probiotics for digestion, biotin for hoof strength, & controlled starch levels to support metabolic health—delivering balanced energy, immunity, & joint mobility in one great formula.
  • ESSENTIAL VITAMINS & ANTIOXIDANTS: Packed with vital vitamins, antioxidants that support a healthy immune system & help protect senior horses from oxidative stress, promoting overall wellness, vitality & resilience to keep them feeling their best.
  • HIGHLY PALATABLE & EASY TO FEED: Specially designed for senior horses, this soft, easy-to-chew pellet ensures consistent intake. Fortified with amino acids and antioxidants to support aging joints, muscle maintenance, and overall vitality in older horses.
No. 2
Formula 707 Weight Gain Crumble Equine Supplement, 7 lb Bag – Palatable, Calorie-Rich Nutritional Support for Hard-to-Keep and Senior Horses
  • WEIGHT SUPPORT: Establish and maintain a healthy weight while improving muscle tone and energy.
  • PALATABLE CRUMBLES: Highly palatable, calorie-rich supplement formulated to help all types of horses maintain a healthy metabolism. Please note these are NOT pellets.
  • COMPREHENSIVE SUPPORT: Vegetable fat provides easily digestible calories and increases your horse’s overall energy, and high-quality protein provides essential amino acids necessary for the body to build muscle.
  • MADE WITH FIBER: Fiber helps keep the digestive system working smoothly.
  • Formulated and manufactured by John Ewing Company in Colorado, USA, where we've been Helping Horses Succeed Since 1948.
No. 3
Triple Crown Senior Gold Premium Horse Feed, EquiMix Superior Nutrition, Textured Equine Senior Horse Food, Weight Gain for Mature & Performance Horses, 50 lbs
  • EQUINE SENIOR FEED - Premium horse feed designed for active older horses, providing the nutrition needed to maintain vitality and performance.
  • SENIOR WEIGHT ACCELERATOR FOR HORSES - High-fat content from soy oil, rice bran, and flaxseed supports weight gain and overall energy.
  • SENIOR HORSE FEED - Features seaweed-derived calcium for enhanced gastric buffering, reducing the risk of ulcers. in mature horses.
  • WEIGHT GAIN FOR SENIOR HORSES - Added whey protein ensures an expanded amino acid profile, supporting muscle health and recovery.
  • EASY TO CONSUME - Can be mixed with water to form a mash, making it ideal for horses with chewing and swallowing difficulties.
No. 4
Horse Guard Super Weight Gain 10 lb – 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy, Probiotics & Vitamins – Supports Digestion, Coat & Muscle Health – 20 Servings
  • 3-IN-1 FORMULA FOR TOTAL SUPPORT: Combines full-fat extruded soybeans, probiotics, and Horse Guard’s vitamin-mineral package into one powerful horse weight gain supplement for healthy weight, coat, and digestion.
  • VISIBLE RESULTS FOR HARD KEEPERS: Ideal for senior, rescue, or underweight horses; promotes safe, healthy weight gain while improving energy and topline. The go-to weight builder for horses needing extra care.
  • BETTER COAT, BETTER CONFIDENCE: Extruded soy improves coat shine and skin health. Helps your horse look and feel better from the inside out with a high-quality horse feed supplement that makes results visible.
  • DIGESTIVE SUPPORT & IMMUNE DEFENSE: Prebiotics and probiotics boost gut health and nutrient absorption, while 1,500 IU of Vitamin E per dose supports a strong immune system – ideal for stressed, recovering, or sensitive horses.
  • EASY DOSING, 20 SERVINGS PER BAG: Each 10 lb bag contains approx. 20 servings for a 1,000 lb horse. Scoop included. Trusted since 1978, Horse Guard delivers premium equine supplements with science-backed nutrition.
No. 5
Manna Pro Cool Calories 100 – High-Calorie Dry Fat Supplement for Horses – Supports Healthy Weight Gain, Body Condition, and Performance – Equine Weight Gain Formula – 8 lb Bag
  • HIGH IN FAT: Contains 99% fat, which is an excellent source of calories and contains more than two times the energy of carbohydrates
  • COOL ENERGY: High calorie density of Cool Calories 100 provides cool, focused energy for performance horses
  • WEIGHT AND BODY CONDITION: Concentrated source of calories supports healthy weight gain and body condition for underweight horses and hard-keepers and reduces the need to feed more grain
  • FATTY ACIDS: Contains fatty acids to support desirable skin and glossy coat condition
  • HIGHLY PALATABLE: Easy to feed and highly palatable
No. 6
Horse Guard Super Weight Gain 40 lb – 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy, Probiotics & Vitamins – Supports Digestion, Coat & Muscle Health – 80 Servings
  • 3-IN-1 FORMULA FOR TOTAL SUPPORT: Combines full-fat extruded soybeans, probiotics, and Horse Guard’s vitamin-mineral package into one powerful horse weight gain supplement for healthy weight, coat, and digestion.
  • VISIBLE RESULTS FOR HARD KEEPERS: Ideal for senior, rescue, or underweight horses; promotes safe, healthy weight gain while improving energy and topline. The go-to weight builder for horses needing extra care.
  • BETTER COAT, BETTER CONFIDENCE: Extruded soy improves coat shine and skin health. Helps your horse look and feel better from the inside out with a high-quality horse feed supplement that makes results visible.
  • DIGESTIVE SUPPORT & IMMUNE DEFENSE: Prebiotics and probiotics boost gut health and nutrient absorption, while 1,500 IU of Vitamin E per dose supports a strong immune system – ideal for stressed, recovering, or sensitive horses.
  • EASY DOSING, 80 SERVINGS PER BAG: Each 40 lb bag contains approx. 80 servings for a 1,000 lb horse. Scoop included. Trusted since 1978, Horse Guard delivers premium equine supplements with science-backed nutrition.
No. 7
Nutramount Horse Ground Flaxseed Feed, Natural High-Fat Flaxseed Meal for Horses, Coat Shine & Daily Feed Mix, Easy-to-Digest Horse Feed Ingredient – 420g
  • Natural Flaxseed Nutrition Made from premium ground flaxseed, providing a natural source of fats commonly used in horse feed to support daily nutrition and balanced diets.
  • Supports Coat Shine Flaxseed is widely used by horse owners as part of a feeding routine to help maintain a sleek and glossy coat appearance.
  • Easy to Digest Finely ground flaxseed mixes easily with grain, pellets, or mash, making daily feeding simple and convenient.
  • High-Fat Feed Ingredient Flaxseed naturally contains beneficial fats that are commonly included in horse diets for additional energy in everyday feeding routines.
  • Ideal for Daily Feeding Suitable for pasture horses, training horses, and performance horses as part of a regular feeding program.
No. 8
Horse Guard Super Weight Gain 24 lb – 3-in-1 Horse Weight Gain Supplement with Full-Fat Soy, Probiotics & Vitamins – Supports Digestion, Coat & Muscle Health – 48 Servings
  • 3-IN-1 FORMULA FOR TOTAL SUPPORT: Combines full-fat extruded soybeans, probiotics, and Horse Guard’s vitamin-mineral package into one powerful horse weight gain supplement for healthy weight, coat, and digestion.
  • VISIBLE RESULTS FOR HARD KEEPERS: Ideal for senior, rescue, or underweight horses; promotes safe, healthy weight gain while improving energy and topline. The go-to weight builder for horses needing extra care.
  • BETTER COAT, BETTER CONFIDENCE: Extruded soy improves coat shine and skin health. Helps your horse look and feel better from the inside out with a high-quality horse feed supplement that makes results visible.
  • DIGESTIVE SUPPORT & IMMUNE DEFENSE: Prebiotics and probiotics boost gut health and nutrient absorption, while 1,500 IU of Vitamin E per dose supports a strong immune system – ideal for stressed, recovering, or sensitive horses.
  • EASY DOSING, 48 SERVINGS PER BAG: Each 24 lb bag contains approx. 48 servings for a 1,000 lb horse. Scoop included. Trusted since 1978, Horse Guard delivers premium equine supplements with science-backed nutrition.

Choosing the Best Senior Horse Feed for Weight Gain: A Buyer’s Guide

As horses age, they often need extra help staying at a healthy weight. Senior horses can lose muscle and fat easily. Finding the right feed makes a big difference. This guide helps you pick the best senior feed for weight gain.

Key Features to Look For

When you shop for senior horse feed, look for specific things. These features help older horses thrive.

  • High Digestibility: Older horses struggle to break down tough food. Look for feeds that use easily digestible ingredients. This means the horse gets more nutrition from less food.
  • Increased Calorie Density: Weight gain requires extra energy. Choose feeds that pack more calories into each bite. Often, these feeds have added fats or highly digestible fibers.
  • Pelleted or Soaked Formulas: Many senior horses have dental problems. Pellets or textured feeds that soften easily with water make chewing and swallowing much simpler.
  • Balanced Vitamins and Minerals: Older horses need extra support for their bones and immune system. Ensure the feed has good levels of Vitamin E, C, and essential minerals.

Important Ingredients Matter

The ingredients list tells you a lot about the feed’s quality. Focus on sources of good energy and protein.

Quality Protein Sources

Protein builds and maintains muscle, which is key for healthy weight. Look for sources like soybean meal or alfalfa. These provide the amino acids your horse needs.

Healthy Fats for Calories

Fats are the most concentrated source of calories. Feeds using sources like stabilized rice bran or flaxseed offer high energy without overloading the horse’s stomach with too much starch.

Highly Digestible Fiber

Good fiber keeps the hindgut healthy. Ingredients like beet pulp or soy hulls are great. They provide slow-release energy and help maintain gut function.

Factors That Improve or Reduce Feed Quality

Not all senior feeds are created equal. Pay attention to what boosts quality and what harms it.

Factors That Improve Quality
  • Low Starch and Sugar: Senior horses are often more sensitive to quick energy spikes. High-quality feeds keep starch and sugar levels low to support steady weight gain and prevent metabolic issues.
  • Added Probiotics/Prebiotics: These ingredients support the good bacteria in the horse’s gut. A healthier gut absorbs nutrients better, leading to easier weight gain.
  • Consistent Texture: A uniform pellet or texture ensures your horse eats every bite, getting all the intended nutrients.
Factors That Reduce Quality
  • Excessive Fillers: Feeds using low-quality fillers instead of nutrient-dense ingredients offer little real benefit for weight gain.
  • High Starch Content: If the first few ingredients are corn or molasses, the feed might be too high in starch for a sensitive senior.
  • Poor Palatability: If your horse refuses to eat the feed, it doesn’t matter how good the ingredients are. Poor taste reduces consumption.

User Experience and Use Cases

Think about how the feed fits into your daily routine and your horse’s specific needs.

When to Use Senior Weight Gain Feed

You should switch to a dedicated weight gain senior feed when:

  • Your horse is visibly losing weight despite adequate hay.
  • Your veterinarian recommends increasing calorie intake safely.
  • Your horse struggles to finish his regular hard feed due to dental pain.
Real-World Feedback

Users often report success when the feed is soaked, making it easy for horses with missing teeth to consume. Good weight gain feeds show results within 4 to 8 weeks. Look for positive changes in coat quality and energy levels, not just the number on the scale.

Frequently Asked Questions (FAQ) About Senior Weight Gain Feed

Q: How much of this feed should I give my horse?

A: Always start with the lowest recommended serving size listed on the bag. Your veterinarian or equine nutritionist can help you adjust the amount based on your horse’s current body condition and activity level.

Q: Can I just feed more regular grain to help my senior gain weight?

A: No, this is often a bad idea. Regular grains can be too high in starch for seniors and might cause digestive upset. Senior weight gain feeds are specially balanced for older horses.

Q: How long does it take to see weight gain?

A: Healthy weight gain is slow. You might see small improvements in coat shine within a few weeks. Noticeable weight gain usually takes one to two months of consistent feeding.

Q: Is this feed safe if my horse has laminitis history?

A: Many weight gain feeds are high in fat, which is usually safer than high starch. However, you must choose a low-sugar, low-starch specialized senior feed if your horse has metabolic concerns. Always check the NSC (Non-Structural Carbohydrate) content.

Q: Do I still need to feed hay if I use this feed?

A: Yes, absolutely. Hay or forage should always make up the majority of your horse’s diet, even when using concentrated feed for weight gain. The feed is a supplement to the forage, not a replacement.

Q: What is the difference between a “senior feed” and a “weight gainer”?

A: A standard senior feed supports maintenance. A senior *weight gainer* feed has significantly more calories, protein, and fat to actively encourage muscle and fat development in horses that are struggling to maintain condition.

Q: Should I soak the feed before giving it to my horse?

A: If your horse has any dental issues, soaking the feed until it is mushy is highly recommended. Soaking improves digestibility and prevents choking.

Q: What are NSC levels?

A: NSC stands for Non-Structural Carbohydrates. This includes starch and sugar. Lower NSC levels (ideally under 15%) are better for older horses, especially those prone to health issues.

Q: Can I mix this feed with supplements?

A: Yes, you can mix in recommended supplements like joint support or salt. However, ensure you are not over-feeding vitamins by adding too many extra products on top of a balanced feed.

Q: Where should I store this senior feed?

A: Store the feed in a cool, dry place, sealed tightly in its original bag or an airtight container. This keeps out pests and prevents mold, which can ruin the feed quality.