(Pala-Tech) Pala-Tech Equine Thyroid Supplement is used for correction of conditions associated with hypothyroidism in horses. Equine Thyroid Supplement contains levothyroxine sodium. Each 5.5 grams powder (one level scoop) delivers approximately 12 mg of levothyroxine sodium, USP. Formulated with a highly palatable molasses and apple flavor base to enhance acceptance by the horse. The recommended dosage of Pala-Tech Equine Thyroid Supplement is 0.5 to 3.0 mg levothyroxine sodium per 100 lbs body weight once per day, or in divided doses. Equine Thyroid Supplement can be administered by top dressing ration. Levothyroxine sodium. Apple/molasses flavored granules. Compare to Thyro-L.