The short version
15 companies supply this market — deep enough that no single failure threatens the supply.
Market view
36 marketed package NDCs · 15 active manufacturers
Most dispensed: 175 ug · Tablet · #90 tablets/bottle · 25 ug · Tablet · #1000 tablets/bottle · 200 ug · Tablet · #1000 tablets/bottle · 88 ug · Tablet · #1000 tablets/bottle
15 companies supply this market — deep enough that no single failure threatens the supply.
Every detected change for levothyroxine sodium, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.
Other molecules FDA puts in l-Thyroxine, with whether each is in shortage right now. Same class is not the same drug — substitution is a clinical decision, and this is a supply picture, not a recommendation.
Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.