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Best Horse Digestive Aids of 2026

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Janie Foster

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Horse digestive aids are designed to support a healthy digestive system in horses. These aids come in various forms such as supplements, probiotics, enzymes, and herbal remedies. They help to improve digestion, reduce the risk of colic, and enhance nutrient absorption. Some digestive aids contain prebiotics that encourage the growth of beneficial bacteria in the gut, while others contain digestive enzymes that break down food particles more efficiently. Horse owners can choose from a range of digestive aids to meet the specific needs of their horses and ensure optimal digestive health.

At a Glance: Our Top Picks

Top 10 Horse Digestive Aids

#TOP 1

Merck Safeguard Wormer Block EnProAl Molasses 25 lb

Merck Safeguard Wormer Block EnProAl Molasses 25 lb Cover

Merck 2259820 Wormer Safeguard Block EnProAl Molasses

The Merck Safeguard Wormer Block is designed to support your horse's digestive health using natural methods that work alongside traditional veterinary care. This product helps you maintain your horse's well-being without relying solely on medicine. Weighing 25 pounds, the block is a convenient size for regular use. Manufactured in the United States, it ensures quality and reliability. By choosing this wormer block, you provide your horse with a natural way to aid digestion and manage parasites, making it a practical addition to your horse care routine.

9.8
FTB Score

What We Like

  • Natural digestive support
  • Complementary to veterinary care
  • Convenient 25 lb block
  • Made in the USA

What We Don't Like

  • higher price than competitors

What Customers Say

"I'm impressed with the quality of this product, but at $89, it's about $30 more expensive than what I usually find at the feed store."

"This is a solid product, though even Tractor Supply offers it for less than this price."

#TOP 2

Manna Pro Corta-FLX U-Gard Powder

Manna Pro Corta-FLX U-Gard Powder Cover

Corta-FLX U-Gard Powder, Equine Digestive Supplement to Maintain Gastric Health, Helps Prevent Ulcer Formation, Supplement for Horses, 8 LB

Manna Pro U-Gard is a digestive supplement designed to keep your horse's stomach healthy, especially if your horse faces stress or is active in performance and racing. It helps lower the chances of ulcers by supporting the stomach’s natural balance, which is crucial for horses under training or in competitive settings. This supplement also works to maintain proper stomach acid levels, making sure your horse’s digestion is comfortable and nutrients are absorbed well. Plus, it includes natural minerals like calcium and magnesium that help protect the stomach lining and reduce excess acid, providing ongoing support for your horse’s digestive health.

9.7
FTB Score

What We Like

  • Helps ulcer-prone horses
  • Well-accepted by picky eaters
  • Supports digestive health
  • Easy to mix with feed
  • Good value on Amazon

What We Don't Like

  • Occasional shipping label issue
  • Rare product mix-up

What Customers Say

"I've been using this supplement for a while now and my horses have done great—no vet calls for ulcers or colic. Even my picky eaters have no trouble with the pellets."

"After adding this to my gelding's feed as a preventive measure for his health issues, I've noticed he eats all his supplements without hesitation. The scoops are small and easy to mix in, even for picky horses. Plus, Amazon offers a great price."

"My Appaloosa had several colic episodes in a month, and after ruling out impaction, my vet suspected ulcers. I switched to U-Gard pellets and haven't seen any colic since. He's getting one scoop three times daily with his feed, and it's made a real difference!"

#TOP 3

T.H.E. Equine Edge GastroPLUS

T.H.E. Equine Edge GastroPLUS Cover

The Equine Edge GastroPLUS 30 Servings

The T.H.E. Equine Edge GastroPLUS is designed to support your horse’s digestive health, making it easier to manage issues like diarrhea and discomfort. It’s especially helpful if your horse struggles with severe ulcers, providing relief and promoting healing. This supplement also aids in reducing the symptoms of gastric ulcers, helping your horse feel more comfortable and less stressed. Additionally, it supports healthy stomach function and helps your horse stay calm during stressful situations. Using this product can improve your horse’s overall digestive wellness and contribute to a more relaxed, healthier horse.

9.5
FTB Score

What We Like

  • Improved horse behavior
  • Reduces stomach ulcers
  • Prevents colic issues
  • Fast shipping
  • Sample products included

What Customers Say

"After trying many products, I finally found something that truly helps my mare. Her ulcer symptoms are gone, her attitude is much better, and no more colic issues. I’m keeping her on this for maintenance!"

"My four-year-old gelding has really settled down at the track since starting this supplement. He’s noticeably calmer and less spooky, so I plan to continue using it."

"The product arrived quickly and came with some samples to try. Just a week in and my horse is already running the field again."

#TOP 4

SU-PER Chasteberry Hormone Support for Horses 1 Gallon

  • SU-PER
  • SFECHASTEBERRYG-P
  • 1 Gallon + Pump
SU-PER Chasteberry Hormone Support for Horses 1 Gallon Cover

SU-PER Chasteberry Supplement for Horses - Supports Hormone Regulation & Healthy Pituitary Gland Function in Mares - Chasteberry for Horses - 1 Gallon + Pump, 4 Month Supply (120 Days)

The SU-PER Chasteberry for Horses supplement is designed to support your horse’s hormonal health by helping maintain a balanced pituitary gland and overall endocrine system. This can contribute to better metabolic function, kidney health, digestion, and glucose processing, which are essential for your horse’s well-being. It also acts as a natural stress reliever by helping regulate hormones related to stress, such as adrenaline and cortisol, keeping your horse calm and reducing issues like weight gain or poor shedding. Plus, it’s sugar-free, making it safe for horses on low sugar or low carb diets, and comes in a convenient liquid form that's easy to feed.

9.5
FTB Score

What We Like

  • Hormonal balance support
  • Pituitary gland health
  • Stress hormone regulation
  • Sugar-free formula
  • Easy liquid feeding

What We Don't Like

  • Pump may freeze in cold
  • Not for use with Prascend

What Customers Say

"I've found that this supplement works naturally to calm my mare's attitude. She seems happier and more affectionate, without losing her spark. The other horses at our barn, especially the more anxious ones, have also shown noticeable improvements—they’re calmer but still themselves. Training sessions have become much more enjoyable for both of us."

"My horse has Cushings disease and is very picky about supplements. Unlike dry herb versions, he actually licks the bowl clean when I use this brand. It’s been a relief to find something that’s both effective and palatable for him."

"I’ve used this product on three of my mares, and the difference in their mood and behavior is remarkable. I highly recommend it, but if you live somewhere cold, be sure to store the bottle indoors—the pump doesn’t work if it freezes."

#TOP 5

UltraCruz Equine Appetite Booster Pellet

UltraCruz Equine Appetite Booster Pellet Cover

UltraCruz Equine Appetite Booster Supplement for Horses, 4 lb, Pellet (32 Day Supply)

The UltraCruz Appetite Booster is designed to support your horse’s digestive health by promoting a balanced environment for good gut bacteria. It contains prebiotics and probiotics, which help maintain a healthy digestive system, making it easier for your horse to absorb nutrients. The supplement also encourages a balanced gut microorganism population, which can improve overall digestion and wellbeing. Additionally, it includes glutamine, a nutrient that supports important metabolic functions, helping your horse stay healthy and active. This product is especially helpful for horses under stress or foals that have lost their appetite, giving you a way to support their recovery and maintain their energy.

9.4
FTB Score

What We Like

  • Supports digestive health
  • Balances gut bacteria
  • Contains glutamine for metabolism
  • Helps stressed horses
  • Aids foals with appetite loss
#TOP 6

MVP Gastro-Plex Horse Digestive Aid 3 lb

  • MVP
  • 73164220
MVP Gastro-Plex Horse Digestive Aid 3 lb Cover

Gastro-Plex (3 lb) Supports Gut Health and Hindgut Digestion in Horses

MVP Gastro-Plex Digestive Support is designed to help maintain your horse's digestive health and reduce the risk of colic. It contains gelatin and licorice, which soothe the digestive tract and promote comfort. The herbal ingredients support overall gut wellness, making digestion smoother. Additionally, the product includes prebiotics and probiotics that help balance your horse’s gut bacteria, improving nutrient absorption and digestive function. This combination works together to support your horse’s hindgut digestion, helping keep them healthy and comfortable.

9.4
FTB Score

What We Like

  • High product quality
  • Effective calming results
  • Long-term customer satisfaction
  • Convenient included scoop

What We Don't Like

  • Some horses refuse to eat
  • Relatively expensive price

What Customers Say

"I've been an MVP customer for over a decade, and I truly appreciate the great value and consistently excellent products they offer."

"My young OTTB gelding responded well to this. The quality is impressive, and the included scoop is a nice touch. Even though it's pricey, I'm a fan of MVP."

"After a couple of months, I've noticed my horse has much less wall-kicking and biting at his side, which is a significant improvement."

#TOP 7

Formula 707 Digestive Health Equine Supplement

Formula 707 Digestive Health Equine Supplement Cover

Formula 707 Digestive Health Equine Supplement, 8lb Bag – Probiotics, Prebiotics and Digestive Enzymes for Horses

The Formula 707 Horse Digestive Aid is designed to keep your horse’s digestive system running smoothly. It combines prebiotics to promote healthy gut bacteria growth, probiotics to improve digestion and reduce loose stools, and enzymes that help break down tough feed. This blend supports overall digestive health, making it easier for your horse to absorb nutrients and maintain comfort. Plus, the supplement comes in convenient pellets, which are simpler for your horse to eat compared to powders. This makes feeding time easier and ensures your horse gets the full benefit of the supplement.

9.2
FTB Score

What We Like

  • Effective digestive support
  • Highly palatable for horses
  • Improves coat condition
  • Economical and long-lasting
  • Easy to mix and feed

What We Don't Like

  • Results may vary by horse

What Customers Say

"I've tried several digestive supplements for my horses, but this one stands out as one of the best. Within a few days, my mares with past gastric ulcer issues were back to normal, and my 32-year-old gelding showed renewed energy. It's very budget-friendly, and I strongly recommend it."

"After my vet suggested a higher quality powder, I still chose this brand and was impressed. My horse's stomach problems disappeared after two months, and there's a noticeable improvement in his coat."

"I needed something to help my horse gain weight, and after a few weeks on this, I can see a difference. Her hips, ribs, and back look much healthier. I'm planning to keep her on it."

#TOP 8

ProVision Probiotics Equine Digestive Aid 10 lb

  • ProVision Probiotics Equine
  • EQPRO10
  • Brown
  • 10 lb
ProVision Probiotics Equine Digestive Aid 10 lb Cover

ProVision Probiotics Equine Digestive Aid for Horses - 10 lb Bag (160 Servings @ 61¢/Serving) - Probiotics, Prebiotics, and Digestive Enzymes for Gut Health, Nutrient Absorbtion & Performance

The ProVision Equine Digestive Aid supports your horse’s gut health with a powerful blend of 20 billion probiotics and prebiotics per serving. This helps maintain a balanced digestive system, promoting overall wellness. It also includes eight key digestive enzymes like Alpha Amylase and Protease, which help break down nutrients, making it easier for your horse to absorb essential proteins and starches. The daily dosage is simple and convenient—just 1 to 2 scoops per day from a resealable 10-pound bag, ensuring freshness and ease of use. Plus, the formula uses high-quality ingredients, including active dry yeast, to maximize digestive support and nutrient absorption.

9.0
FTB Score

What We Like

  • High probiotic count
  • Digestive enzyme blend
  • Easy daily dosage
  • Quality ingredients
#TOP 9

Van Beek DiaGel Equine Digestive Aid

  • Van Beek-Natural Science
  • 850032891066
Van Beek DiaGel Equine Digestive Aid Cover

DiaGel for Equine - Orally Administered Gel for Occasional Loose Stools and Digestive Upset - Natural Horse Products - Van Beek Natural Science

Van Beek DiaGel Horse Gel is designed to quickly support your horse’s digestive system, helping to ease occasional loose stools and digestive upset. You can expect to see improvements in as little as 24 hours, making it a fast-acting solution when your horse needs relief. This gel is made from natural, plant-based ingredients, ensuring a safe and healthy option to maintain your horse’s gut health. Plus, it’s easy to give thanks to its small, tasty portion that your horse will accept without fuss. The gel comes in a convenient 30mL dispenser, perfect for use before stressful activities like travel or showing to keep your horse’s digestion steady.

8.8
FTB Score

What We Like

  • Vet-approved for large dogs
  • Equine dosage flexibility
  • Direct purchase from manufacturer

What We Don't Like

  • Refund process confusing
  • Trouble dispensing from tube

What Customers Say

"I needed a solution for my giant dogs' dosage needs, and after consulting my vet, I was able to use the equine version due to the quantity required. The price per dose made it worthwhile."

"Dealing with the company was frustrating—I spoke to several representatives but still haven’t received a resolution regarding my issue with the tube. Spending $40 on a product I couldn’t use was disappointing, especially when it was purchased direct from the manufacturer."

#TOP 10

Probios Horse Probiotic Soft Chews

Probios Horse Probiotic Soft Chews Cover

Probios for Horses Soft Chews, Daily Probiotic Supplement for Gut Health, Digestion & Immune Support, Horse Supplies, Apple Flavor, 1.32 lbs (600 Grams)

Probios Horse Chews are designed to support your horse's digestive health across all classes. These soft chews can be particularly beneficial during stressful situations such as travel, training, or after medical therapy, helping to ease digestive discomfort. They also work to maintain a balanced gut flora, which is essential for proper nutrient absorption. With easy-to-follow directions, you can simply feed your horse one to two chews daily, ensuring they receive the support they need without any hassle. Plus, being manufactured in the USA, you can trust in their quality and safety.

8.6
FTB Score

What We Like

  • Easy to administer
  • Horses enjoy taste
  • Supports digestive health
  • Helps with gastric upsets
  • Useful during stress

What We Don't Like

  • Results may be hard to measure

What Customers Say

"I've found these chews are much easier to give than powders, and my horses love them like treats. After dealing with digestive upsets in one of my horses, I noticed a real improvement once I switched to this probiotic—the gut issues stopped completely."

"My horse used to have gastric discomfort, especially with weather changes. Since giving him one of these chews daily, the problem has gone away, and I'm very pleased with the results!"

"These chews are a simple way to support my horses' gut health, and they enjoy the flavor too. While it's not always easy to tell exactly how much they're helping, I trust this as a probiotic supplement."

Horse Digestive Aids Comparison Table

#TOP 1 Merck Safeguard Wormer Block EnProAl Molasses 25 lb Cover

Merck Safeguard Wormer Block EnProAl Molasses 25 lb

#TOP 2 Manna Pro Corta-FLX U-Gard Powder Cover

Manna Pro Corta-FLX U-Gard Powder

#TOP 3 T.H.E. Equine Edge GastroPLUS Cover

T.H.E. Equine Edge GastroPLUS

#TOP 4 SU-PER Chasteberry Hormone Support for Horses 1 Gallon Cover

SU-PER Chasteberry Hormone Support for Horses 1 Gallon

#TOP 5 UltraCruz Equine Appetite Booster Pellet Cover

UltraCruz Equine Appetite Booster Pellet

#TOP 6 MVP Gastro-Plex Horse Digestive Aid 3 lb Cover

MVP Gastro-Plex Horse Digestive Aid 3 lb

#TOP 7 Formula 707 Digestive Health Equine Supplement Cover

Formula 707 Digestive Health Equine Supplement

#TOP 8 ProVision Probiotics Equine Digestive Aid 10 lb Cover

ProVision Probiotics Equine Digestive Aid 10 lb

#TOP 9 Van Beek DiaGel Equine Digestive Aid Cover

Van Beek DiaGel Equine Digestive Aid

#TOP 10 Probios Horse Probiotic Soft Chews Cover

Probios Horse Probiotic Soft Chews

Brand Merck Manna Pro T.H.E. Equine Edge SU-PER UltraCruz MVP Formula 707 ProVision Probiotics Equine Van Beek-Natural Science Probios
Item Weight 26.6 pounds 8 pounds 1.3 pounds 1 ounces 4 Pounds 1.5 ounces 8 pounds 10 pounds 2.29 ounces 14.4 ounces
Brand Name Merck Manna Pro T.H.E. Equine Edge SU-PER - MVP Formula 707 ProVision Probiotics Equine Van Beek-Natural Science Probios
Item Form - Powder Powder Liquid Pellet Pellet Pellet, Powder Powder Gel Pellet
Item Package Dimensions L x W x H 10 x 10 x 8 inches 9.88 x 9.69 x 7.95 inches 7.44 x 6.61 x 2.52 inches - - 10.94 x 8.19 x 3.46 inches 15.27 x 10.98 x 4.13 inches 14 x 12 x 4 inches 12.64 x 3.58 x 1.38 inches 10.51 x 7.32 x 2.91 inches
Target Audience Keyword rats horses horses Horses, horses - fish Horses Horses - horses
Flavor - Powder Ginger, Licorice Cherry - Other - Banana Horse Apple
Item Dimensions LxWxH 10 x 10 x 8.5 inches 11 x 11 x 8 inches - - - - 9.75 x 9.75 x 9.56 inches 15 x 13 x 7 inches - 11.38 x 6.63 x 3.38 inches
Model Name 2259820 Corta-Flx U-Gard Powder 8 LB Equine Stomach Supplement - Chasteberry - - - Provision Probiotics Equine 10 Lb - Probios for Horses Soft Chews - Horse Probiotic Soft Chews, Horse Supplies, Equine Digestion Support, Apple Flavor, 1.32 lbs (600 grams)
Size - 8 Pound (Pack of 1) - 1 Gallon + Pump - - 8 LB BAG 10 lb - 1.32 Pound (Pack of 1)
Active Ingredients - - ascorbic acid,ginger,licorice,niacinamide,vitamin b1,vitamin b2,vitamin b3,vitamin b5,vitamin c,vitamin e,zinc - pectin,prebiotics amino acid,licorice,prebiotics,vitamin a,zinc prebiotics - bentonite,cellulose,chloride,ginger -
FTB Score
9.8
9.7
9.5
9.5
9.4
9.4
9.2
9.0
8.8
8.6
Where to Buy

Frequently Asked Questions (FAQs)

1. Do horses need digestive supplements?

Recommendations to better manage your horse's diet include: Provide a daily wellness supplement with digestive care that contains omega-3 fatty acids to support normal healthy levels of intestinal inflammation and pre- and probiotics to maintain healthy hindgut bacteria and aid in normal digestion.

2. How can I improve my horse's gut health?

It has been established that horses need an absolute minimum of 1.5% of their body weight each day in forage just to maintain gut health. So, a great way to keep the hindgut healthy is by providing unlimited access to low sugar pasture, hay and/or chaff.

3. What does digestive EQ do for horses?

Digestive EQ provides a complete fore and hindgut digestive product to support the digestive and immune system of the horse and is also proven to improve your horse's overall health with the added benefit of enzymes, amino acids, and antioxidants.

Editor's Notes

During our horse digestive aid research, we found 24 horse digestive aid products and shortlisted 10 quality products. We collected and analyzed 7,541 customer reviews through our big data system to write the horse digestive aids list. We found that most customers choose horse digestive aids with an average price of $54.78.

The horse digestive aids are available for purchase. We have researched hundreds of brands and picked the top brands of horse digestive aids, including Merck, Manna Pro, T.H.E. Equine Edge, SU-PER, UltraCruz. The seller of top 1 product has received honest feedback from 176 consumers with an average rating of 4.3.

Written by

Janie Foster Avatar

Janie Foster

Janie Foster is a writer & pet blogger from Los Angeles, she enjoys living with her two cats and three dogs. She owned her first dog 10 years ago and then started her personal blog to record her dog's daily life. Throughout her personal life, she has developed specialized knowledge in pet care, pet nutrition, feeding habits, and more.