Ask about M.A.S.S. Builder M.A.S.S. Builder Healthy Weight Gain Supplement For Horses
Multi-Active Strengthening System for Weight and Muscle
Product Description
M.A.S.S. Builder (Multi-Active Strengthening System) is a veterinarian-recommended feed supplement formulated to support healthy weight gain, lean muscle development, and improved body condition in horses. The formula combines gamma-oryzanol from rice bran extract with the essential amino acids L-lysine and L-threonine, plus fenugreek to support appetite and nutrient utilization. Designed for hard keepers, performance horses, nursing mares, and growing horses, M.A.S.S. Builder is a non-steroidal supplement for daily use.
Benefits
- Lean Muscle Support: Gamma oryzanol and amino acids support muscle development.
- Healthy Weight Gain: Supports improved body condition in underweight horses.
- Appetite Encouragement: Fenugreek helps promote normal appetite and intake.
- Feed Efficiency: Amino acids support efficient nutrient utilization.
- Non-Steroidal Formula: Designed without steroid compounds.
Ingredients
|
Ingredient |
Amount |
|
L-Lysine |
2,000 mg |
|
Gamma Oryzanol |
1,500 mg |
|
Threonine |
1,000 mg |
|
Fenugreek |
20 mcg |
Inactive Ingredients: Rice bran oil, powdered sugar, disodium phosphate, sodium carboxymethylcellulose, potassium sorbate, methylparaben, propylparaben, propylene glycol, distilled water.
How to Use
Directions for Use
- Shake Well: Shake thoroughly before each use.
- Top Dress Feed: Add to the horse’s regular grain ration.
- Daily Dose: Administer 1 oz per 1,100 lb body weight daily.
- With Meals: Feed during or immediately after meals.
- Consistent Use: Use daily for ongoing conditioning support.
Additional Information
Precautions
- Equine Use Only: Intended for use in horses only.
- Veterinary Guidance: Consult a veterinarian before starting supplementation.
- Breeding Caution: Safety in pregnant or breeding mares not established.
- Keep Secured: Keep out of reach of children and animals.
- Storage: Store in a cool, dry place with the lid tightly closed.
Shipping & Returns
We offer ground, express, priority, and international delivery; see our shipping policy for details.
For return instructions or product concerns, please refer to our detailed refund policy.
Frequently Asked Questions
Q1: What is M.A.S.S. Builder used for in horses?
Ans: M.A.S.S. Builder is formulated to support healthy weight gain, lean muscle development, and improved body condition in horses. The supplement combines gamma oryzanol, essential amino acids, and fenugreek to help support appetite, nutrient utilization, and overall conditioning when used daily.
Q2: What are the active ingredients in M.A.S.S. Builder?
Ans: The active ingredients in M.A.S.S. Builder include L-lysine, gamma oryzanol, threonine, and fenugreek. These components are selected to support muscle development, stimulate appetite, and promote efficient nutrient use as part of a comprehensive feeding program.
Q3: How much M.A.S.S. Builder should a horse receive daily?
Ans: The recommended feeding amount is 1 oz per 1,100 lb of body weight daily. M.A.S.S. Builder should be mixed into the regular grain ration and administered consistently to help support gradual weight and muscle development.
Q4: Can M.A.S.S. Builder help hard-keeper horses?
Ans: Yes, M.A.S.S. Builder is commonly used for hard-keeper horses that struggle to maintain weight. The combination of amino acids and appetite-supporting fenugreek helps promote consistent intake and nutrient utilization, supporting improved body condition.
Q5: Is M.A.S.S. Builder a steroid product?
Ans: No, M.A.S.S. Builder is formulated as a non-steroidal supplement. The product supports weight gain and muscle development through nutritional ingredients rather than steroid compounds, making it suitable for routine feeding programs.
Q6: How long does it take to see results with M.A.S.S. Builder?
Ans: Results vary depending on the horse’s starting condition, diet, and workload. Many horses show gradual improvements in body condition and muscle tone over several weeks when M.A.S.S. Builder is fed consistently as directed.
Q7: Can M.A.S.S. Builder be given to performance horses?
Ans: Yes, M.A.S.S. Builder is suitable for performance horses needing additional support for muscle development and weight maintenance. It is designed to complement a balanced feeding program without introducing steroid ingredients.
Q8: Is M.A.S.S. Builder safe for pregnant or breeding mares?
Ans: Safety in pregnant or breeding mares has not been established according to manufacturer guidance. A veterinarian should evaluate the mare’s health status before adding M.A.S.S. Builder to the feeding program.
Q9: Should M.A.S.S. Builder be given with feed?
Ans: Yes, M.A.S.S. Builder should be top-dressed onto the regular grain ration and given during or immediately after meals. Consistent daily feeding supports steady intake and helps maintain an effective conditioning program.
Shipping: All orders ship from trusted U.S. facilities via USPS Ground Advantage, USPS Priority, FedEx, or UPS. Standard orders process in 1–3 business days and arrive within 3–6 business days. Standard rates start around $5.99, and expedited options (2–3 business days) are available at checkout when eligible. Tracking details are emailed automatically once your order is placed. Orders with items from multiple warehouses may arrive in separate packages at no extra cost.
Returns: Unused, unopened items in original packaging can be returned within 30 days of delivery with prior authorization. For pet safety, opened consumables, treats, food, and fish medications cannot be returned. Return shipping is covered by the customer unless the item arrives damaged or incorrect.
Damaged or Incorrect Orders: If your order arrives damaged or incorrect, email sales@thepetperch.com within 7 days of delivery with your order number and photos. We’ll send a replacement or issue a full refund immediately at no cost to you.






