Psyllium for Horses: Benefits and Administration

Psyllium is a plant with a seed husk made of soluble fiber that is commonly used as a supplement for horses. It is known to aid in fecal sand clearance and prevent the build-up of sand in the colon. Psyllium is particularly useful for horses that live in sandy environments as they are more prone to ingesting sand while grazing.

Psyllium seed husk works by absorbing water and forming a gel-like substance that helps move sand and other debris through the digestive system.

There are various psyllium supplements available for horses, such as pellets and powders, and it is important to follow the recommended dosage instructions. While psyllium is generally considered safe, it is always recommended to consult with a veterinarian before introducing any new supplements to a horse’s diet.

Understanding Psyllium

Psyllium is a natural, soluble fiber that is derived from the seeds of the Plantago ovata plant. It is commonly used in the equine industry to improve digestive health and aid in the removal of sand collections in the intestinal tract.

Psyllium husk, or psyllium seed husk, is the outer layer of the psyllium seed. It is the part of the seed that contains the highest concentration of soluble fiber. When mixed with water, psyllium husk forms a gel-like substance that can help regulate bowel movements and promote regularity.

Soluble fiber, like that found in psyllium, is important for maintaining digestive health. It is able to absorb water and form a gel-like substance in the digestive tract, which can help slow down the passage of food through the digestive system. This can help regulate bowel movements and prevent constipation.

When it comes to horses, psyllium is primarily used to assist in the removal of sand collections in the intestinal tract. Sand ingestion can be a common problem for horses, particularly those that graze on sandy soil or eat from sandy pastures. Over time, sand can accumulate in the horse’s digestive tract, which can lead to colic, diarrhea, and other digestive issues.

Psyllium can help move sand through the digestive tract and prevent it from accumulating in the gut. It does this by increasing the bulk of the stool and promoting the movement of material through the digestive system. This can help reduce the risk of sand colic and other digestive problems associated with sand ingestion.

More From Savvy Horsewoman:  Top Tips for Long-Distance Travel With Your Horse

Psyllium and Horse Health

Psyllium is often used as a dietary supplement for horses to promote digestive health. It serves as a prebiotic, which means it feeds the good bacteria in the horse’s hindgut, promoting a healthy gut microbiome.

One of the main benefits of psyllium for horses is its ability to aid in fecal sand clearance. Psyllium can help prevent the build-up of sand in the colon, which can cause digestive issues such as colic. Psyllium works by forming a gel-like substance in the digestive tract, which helps to move sand and other debris through the digestive system.

Psyllium can also be used as a laxative for horses with constipation or loose stool. Psyllium’s gel-like consistency adds bulk to the horse’s stool, which can help stimulate motility and promote regular bowel movements.

In addition to its laxative effect, psyllium can help support the health of the horse’s digestive mucosa. The soluble fiber in psyllium can help soothe and protect the lining of the digestive tract, reducing the risk of inflammation and ulceration.

Psyllium for Sand Clearance

Sand ingestion can lead to colic and other gastrointestinal issues in horses, and psyllium has been shown to be an effective preventative measure.

When psyllium is ingested, it absorbs water and forms a gel-like substance in the horse’s intestine. This gel helps to trap sand particles, which are then eliminated from the horse’s body through fecal matter. Psyllium also promotes intestinal motility, which can help to move sand through the digestive tract more quickly.

It is important to note that psyllium should not be relied upon as the sole method of sand prevention. Management practices, such as feeding horses off the ground and providing adequate forage, are also important in reducing sand ingestion. Additionally, psyllium should only be fed to horses under veterinary supervision, as excessive use can lead to diarrhea and other gastrointestinal issues.

Psyllium and Colic Prevention

Psyllium is a natural supplement that has been used to prevent colic in horses for many years. Colic is a term used to describe abdominal pain in horses and can be caused by a variety of factors such as diet, stress, and changes in routine. Colic is a serious condition that requires immediate veterinary attention, and prevention is key to keeping horses healthy.

More From Savvy Horsewoman:  12 Tips for Building Your Perfect Horse Barn

In addition to psyllium supplementation, there are other steps that horse owners can take to prevent colic. Feeding horses on a regular schedule, providing plenty of clean water, and avoiding sudden changes in diet or routine can all help to prevent colic. It is also important to monitor horses for signs of colic, such as pawing, rolling, sweating, and restlessness, and to seek veterinary attention immediately if any of these signs are observed.

Potential Side Effects of Psyllium

While psyllium is generally considered safe for horses, there are some potential side effects that owners and caretakers should be aware of.


Psyllium is a type of soluble fiber that absorbs water in the digestive tract and can help regulate bowel movements. However, in some cases, psyllium can actually cause diarrhea in horses. This is more likely to occur if the horse is given too much psyllium or if they are not drinking enough water. If a horse experiences diarrhea after being given psyllium, it is important to monitor their hydration levels and adjust the dosage accordingly.


Psyllium is often given to horses as a way to help prevent impaction colic by promoting the passage of sand and other debris through the digestive tract. However, if psyllium is not properly prepared or administered, it can actually increase the risk of choke. This is because psyllium can swell and become gel-like when it comes into contact with water, which can cause blockages in the esophagus if the horse does not have enough water to wash it down. To prevent choke, it is important to make sure that psyllium is mixed with enough water and that the horse is allowed to drink water freely after being given psyllium.


Metamucil is a human product that contains psyllium and is sometimes used as a substitute for equine psyllium products. However, it is important to note that Metamucil is not formulated specifically for horses and may not be as effective as equine psyllium products. Additionally, Metamucil may contain additives and flavors that are not safe for horses. It is always best to use products that are specifically designed for horses.

Frequently Asked Questions

How do you give psyllium to a horse?

Psyllium for horses comes in different forms, such as powder, pellets, and wafers. The easiest way to give psyllium to horses is to mix it with their regular feed. It is important to follow the recommended dosage and instructions on the product label. Some horses may not like the taste or texture of psyllium, so it may be necessary to gradually introduce it into their diet.

More From Savvy Horsewoman:  Clicker Train Your Horse to Stop Grazing

What is the best psyllium for horses?

There are many psyllium products available on the market, and it can be difficult to determine which one is the best for your horse. It is important to choose a product that is specifically formulated for horses and contains high-quality psyllium seed husk. Look for products that are certified by reputable organizations, such as the National Animal Supplement Council (NASC).

Does psyllium prevent sand colic?

Feeding psyllium to horses has been shown to help prevent sand colic, a condition caused by the accumulation of sand in the horse’s digestive system. Psyllium works by binding to the sand and helping to move it through the digestive tract. However, it is important to note that psyllium should not be used as a substitute for proper management practices, such as providing horses with access to clean water and feed, and minimizing their exposure to sandy environments.

How much psyllium does a horse need?

The recommended dosage of psyllium for horses varies depending on the product and the horse’s weight. As a general guideline, horses should be given 50 grams of psyllium for every 100 kg of body weight. It is recommended to feed psyllium for four consecutive days each month to promote healthy digestion and prevent digestive issues.

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.