The short version
7 companies supply this market — a reasonable cushion if one runs into trouble. The generic price is down 22% over the past year, to $0.0406 per unit. The brand (levothyroxine sodium) runs $1.35 per unit — 24× more. 12 Class II recalls hit this product in the past year (Major Pharmaceuticals). Put together: this looks like a healthy supply — the boring kind, which is exactly what you want. Historically, drugs in this position went on to a new shortage within 90 days about 0.5% of the time — roughly 3× the typical drug (0.1%).
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.