Horses living in sandy environments or those that graze near sandy pastures can ingest sand that accumulates in the digestive tract, potentially leading to discomfort or sand colic. A targeted supplement program can support digestive health and help move sand and dirt from the ventral colon. This article reviews five of the most relevant psyllium-based supplements designed for horses, highlighting how each product works, key features, and practical considerations for choosing the right option for your barn.
Summary Table
- Farnam SandClear Psyllium Crumbles, 20 lbs — Supports sand removal from the ventral colon; premium psyllium husk.
- Farnam SandClear Psyllium Crumbles, 10 lbs — Similar formulation in a mid-size bag; convenient for multiple horses.
- Farnam Equi Aid Natural Psyllium Pellets, 5 lbs — Pellets that aid sand and dirt removal; high-quality psyllium husk.
- Farnam Equi Aid Natural Psyllium Pellets, 10 lbs — Larger pelleted option with the same digestive support.
- NaturVet Sand Free Horse Powder, 3 lbs — Apple-flavored powder with psyllium and palatable profile for easier administration.
Farnam SandClear Psyllium Crumbles Supplement — 20 Lbs

Overview: This SandClear Crumbles formula is designed to help reduce the likelihood of sand colic in horses that live in sandy areas, graze on pasture, or eat off the ground. It is formulated with premium psyllium husk to support the removal of sand and dirt from the ventral colon and to promote overall digestive health.
Key features: Premium psyllium husk for bulk and gentle movement of sand; helps reduce sand colic risk in susceptible horses; formulated specifically for horses with sand exposure. Consider this option when you manage a stalled horse in a sandy environment, or when you have a young horse adjusting to varied pasture surfaces. Administration typically involves mixing with feed per product instructions.
Usage considerations: The 20 lb bag offers substantial supply for larger barns or multiple horses. Always follow feeding directions and monitor for digestive changes. This product is part of a broader digestive-support strategy that includes access to clean water and routine veterinary care if signs of discomfort occur.
Farnam SandClear Psyllium Crumbles Supplement — 10 Lbs

Overview: This mid-size option mirrors the SandClear Crumbles concept, aimed at supporting sand and dirt removal from the ventral colon. The product emphasizes a premium psyllium husk blend to promote digestive health for horses living in sandy conditions.
Key features: Easy-to-mix crumbles that integrate into daily feed; psyllium-based support for sand movements; helps maintain a healthy digestive tract. This size is well-suited for multiple horses with shared needs or for one horse with a slightly longer supplementation window before restocking.
Usage considerations: Align with the horse’s diet and schedule. Observe stool consistency and watch for any changes in appetite or behavior, and consult a veterinarian if concerns arise.
Farnam Equi Aid Natural Psyllium Pellets — 5 Lbs

Overview: Equi Aid Natural Psyllium Pellets provide targeted digestive support by promoting the removal of sand and dirt from the ventral colon. The product uses premium psyllium seed husk, a natural soluble fiber that increases bulk and aids intestinal movement.
Key features: Pelleted form for easy administration; supports ideal digestive health by encouraging sand clearance; high-quality psyllium husk ingredient. This option suits owners who prefer pellets over crumbles and want a compact supply for a single horse or a small herd.
Usage considerations: Pellets can be mixed into feed or offered as directed. Consistency is essential, and some horses may take to pellets more readily than crumbles. Always ensure fresh water is available and monitor for any digestive responses during initial days.
Farnam Equi Aid Natural Psyllium Pellets — 10 Lbs

Overview: This larger pellet option maintains the same digestive health benefits, aiding in the removal of sand and dirt from the ventral colon. It features premium psyllium husk designed to support a healthy intestinal tract in horses exposed to sandy environments.
Key features: High-quality psyllium seed husk increases bulk; pellets are easy to measure and mix; supports digestive health in sand-prone horses. Ideal for barns with multiple horses or for owners who prefer a longer-term supply without frequent reordering.
Usage considerations: Introduce gradually if transitioning from another form to pellets to minimize any initial digestive upset. Regularly assess feed intake and hydration to maximize benefit and comfort for the horse.
NaturVet Sand Free Horse Powder — 3 Lbs

Overview: NaturVet Sand Free Horse Powder focuses on removing sand from the digestive tract while delivering a palatable apple flavor. The formula emphasizes a high-purity psyllium mix and is designed to facilitate easy administration for horse owners.
Key features: 99.6% pure psyllium seed husks; apple flavor for better acceptance; clean, sterilized formulation. This product is a convenient option for owners who want a straightforward powder with a flavor that horses tend to enjoy.
Usage considerations: Start with recommended amounts and monitor the horse’s response, diet, and water intake. Palatability can improve consistency, but still follow dosing instructions to achieve the desired digestive movement.
Farnam Equi Aid Natural Psyllium Pellets — 20 Lbs

Overview: This 20 lb option provides an extended supply of Equi Aid Natural Psyllium Pellets to support regular removal of sand and dirt from the ventral colon. The formulation emphasizes the same high-quality psyllium husk, designed to promote digestive health for horses frequently exposed to sandy environments.
Key features: Large quantity for busy barns; consistent pellet format with bulk preparation; supports overall digestive health through consistent intake of psyllium fiber. This option is practical for owners who want fewer restockings while maintaining a routine.
Usage considerations: When starting a new supply, adjust the feeding plan gradually to avoid digestive upset. Maintain access to water and monitor each horse’s response to the pellets over several days to weeks.
Buying Guide: Sand Management For Horses In Stalls
Choosing the right sand-management supplement depends on several factors, including horse size, degree of sand exposure, administration preferences, and daily feed routines. Below are key considerations to help you compare products and select the best fit for your barn.
- Form and administration: Pellets vs crumbles vs powder. Pellets provide precise dosing and are easier to mix for some owners; crumbles and powders can be more flexible for adjusting amounts or mixing with other feeds. Choose the form your team will consistently use.
- Psyllium content and digestibility: All products rely on psyllium husk to move sand through the ventral colon. Look for high-quality psyllium and clear feeding guidelines. A higher bulking effect can be beneficial for bigger horses or those with repeated sand exposure.
- Horse size and lifestyle: Larger horses or multiple animals may justify larger bags (10–20 lb or more). Individual horses with light exposure can often manage well with smaller bags (3–5 lb).
- Palatability and acceptance: Flavored products (apple, molasses) can improve compliance, especially for picky eaters. If a horse is a known finicky eater, consider NaturVet or other flavored options.
- Integration with routine: Coordinate supplement timing with feeding schedules. Consistency is critical to ensure sand removal aligns with feed intake and hydration.
- Veterinary guidance: If a horse has a history of digestive issues or sand-related colic, consult a veterinarian to tailor a program that includes feed management, turnout, and stool monitoring in addition to supplementation.
- Herd logistics: For barns with multiple horses, bulk bags and pellets can reduce labor and simplify administration, while ensuring each horse receives appropriate amounts.
In summary, sand-management supplements play a supportive role in digestive health by promoting sand clearance from the ventral colon. When selecting a product, prioritize form, palatability, psyllium quality, and compatibility with your horse’s feeding regimen. Combine supplementation with access to clean water, regular turnout when feasible, and routine veterinary oversight to reduce sand-related digestive discomfort for horses kept in stalls or sandy pastures.