Who manufactures levothyroxine and liothyronine?

2 FDA-registered manufacturers list levothyroxine and liothyronine across 16 marketed products.

2
Manufacturers
16
Marketed products
1
Dosage forms
tabletoral

levothyroxine and liothyronine manufacturers

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Source: FDA National Drug Code Directory. Listing a product does not imply current availability — confirm supply directly with the manufacturer.