Product title
Vendor
$19.99 | $24.99
Product title
Vendor
$19.99 | $24.99
Product title
Vendor
$19.99 | $24.99
Product title
Vendor
$19.99 | $24.99
Levothyroxine Thyroid Supplement Powder for Horse Hypothyroidism
Product Description
Thyro-L (Levothyroxine Sodium) Powder is an oral prescription thyroid supplement for horses that helps correct low circulating thyroid hormone levels. Each pound has 1,000 mg (0.22%) levothyroxine sodium USP, and one level teaspoon delivers about 12 mg of T-4. A teaspoon measure is included. Mix into grain or concentrate feed for simple daily dosing. Note: This product is not FDA-approved.
Benefits
- Corrects Hypothyroidism: A daily dose helps horses with underactive thyroids get their hormone levels and metabolism back on track.
- Easy Grain Administration: Stirs right into concentrate or sits on top of rolled grain, making it easy to give every day.
- Stimulates Sweating: Helps support normal sweating in working horses by contributing to healthy thyroid-driven metabolic function.
- Convenient Measuring: Each level teaspoon provides approximately 12 mg T-4; a teaspoon measure is included in the package.
- Flexible Dosing: Can be given once daily or split into divided doses as directed by the treating veterinarian.
Ingredients
Composition Table
| Ingredient | Quantity |
|---|---|
| Levothyroxine Sodium, USP | 0.22% (1,000 mg) per pound (453.6 g) |
Other Ingredients
Vet-A-Mix carrier base
How to Use
Dosage and Administration Instructions
- Prescription Required: Federal law restricts Thyro-L to use by or on the order of a licensed veterinarian only.
- Starting Dose: Give 0.5 to 3.0 mg levothyroxine per 100 lbs body weight once daily or in divided doses.
- Maintenance Range: After clinical evaluation, most horses need between 6 and 36 mg of total daily T-4 to stay within range.
- Individualized Dosing: Dose must be tailored per horse; serum T-3 and T-4 values vary widely among horses on thyroid supplementation.
- Mixing with Feed: Mix the daily dose into concentrate or top-dress on rolled or ground grain for easy, palatable administration.
- Daily Monitoring: Monitor horses every day for clinical signs of hyperthyroidism or hypersensitivity throughout the treatment period.
Disclaimer: This dosage information is provided by the manufacturer. Always consult your veterinarian before administering or adjusting any supplement for your pet.
Additional Information
Precautions
- Heart Disease Caution: Use carefully in horses with significant heart disease, as a fast rise in metabolic rate can be dangerous for them.
- Hypertension Caution: Take extra care in horses with high blood pressure or conditions where a rapid metabolic increase could cause harm.
- Pregnant Mares: Safety in pregnant mares has not been evaluated; always check with a vet before using in these horses.
- Not FDA-Approved: This is an unapproved drug that has not been reviewed or cleared by the FDA for safety and effectiveness.
- Keep from Children: Store out of reach of children at all times as this is a prescription veterinary product for horses only.
Possible Side Effects
- Hyperthyroidism Signs: Too high a dose may bring on signs of hyperthyroidism; check daily and work with your vet to adjust as needed.
- Hypersensitivity Reactions: Some horses may show hypersensitivity responses; daily observation is key to catching and managing early signs.
- Cardiovascular Effects: A fast rise in metabolic rate may stress the heart and blood vessels in horses with pre-existing cardiovascular conditions.
Storage Information
- Controlled Room Temperature: Store at 20-25°C (68-77°F); brief periods between 15-30°C (59-86°F) will not affect product quality.
- Protect from Light: Keep the container away from light and moisture to protect levothyroxine sodium powder stability and potency.
- Avoid Excessive Heat: Keep away from heat sources and direct sunlight; never let the product get above 30°C (86°F).
Shipping & Return
We offer ground, express, and priority delivery; see our shipping policy for details.
For return instructions or product concerns, please refer to our detailed refund policy.
Prescription items are NON-RETURNABLE and NON-REFUNDABLE.
Frequently Asked Questions
Q1: What is Thyro-L levothyroxine sodium powder used for in horses?
Ans: Thyro-L is a prescription oral thyroid supplement for horses used to correct conditions associated with low circulating thyroid hormone levels, known as hypothyroidism. It contains 1,000 mg levothyroxine sodium per pound and is administered by mixing into the horse's daily grain.
Q2: What is the correct dose of Thyro-L powder for horses?
Ans: The suggested starting dose is 0.5 to 3.0 mg levothyroxine per 100 lbs of body weight daily. Most horses are maintained on 6 to 36 mg total daily T-4 (half to 3 teaspoons). Dosages must be individualized under veterinary supervision.
Q3: How is Thyro-L horse thyroid powder administered?
Ans: The daily dose is mixed directly into the horse's concentrate feed or top-dressed on rolled or ground grain. A teaspoon measure comes included in the package, and each level teaspoon holds about 12 mg of levothyroxine sodium (T-4) for accurate daily dosing.
Q4: Is Thyro-L levothyroxine powder safe for horses with heart conditions?
Ans: Thyro-L must be used very carefully in horses with significant heart disease or high blood pressure, as a fast rise in metabolic rate can be risky. Always give your vet a complete picture of the horse's health history before starting this supplement.
Q5: What sizes does Thyro-L hypothyroidism powder for horses come in?
Ans: Thyro-L is available in a 1 lb (453.6 g) plastic bottle and a 10 lb (4,536 g) pail. Both contain the same concentration of 1,000 mg levothyroxine sodium per pound. The larger pail is suited for multi-horse households or long-term treatment.