Westhroid™ is a hypoallergenic combination thyroxine (T4) and triiodothyronine (T3) hormone replacement drug made from Thyroid USP. Westhroid™ is formulated using hypoallergenic inactive ingredients and does not contain any artificial colors or flavors, corn, peanut, rice, gluten, soy, yeast, egg or fish/shellfish.
Since Westhroid™ contains Thyroid USP, it adheres to strict United States Pharmacopeia (USP) monographs for potency and consistency. Westhroid™ has guaranteed T4 and T3 hormone levels. Every batch is tested to ensure it meets or exceeds these USP standards. Westhroid™ also complies with all FDA pharmaceutical guidelines for manufacturing and processing.
Hypothyroidism or underactive thyroid refers to a condition in which the thyroid gland is not producing enough thyroid hormones. Since these hormones control many bodily functions such as your metabolism and how your cells use energy, an underactive thyroid can become very symptomatic.
Click on the Available Strengths page to see a full list of all strengths and correlating tablet images.