The short version
Only one company currently supplies this market — there is no backup if it stumbles. The price has held steady around $25.84 per unit over the past year. 3 Class II recalls hit this product in the past year (Amgen, Inc.). Put together: worth watching — several of the pressures that precede supply trouble are present at once.
The numbers behind every sentence are on this page below — and the Watch button emails you when any of them move.