The short version
18 companies supply this market — deep enough that no single failure threatens the supply.
Market view
68 marketed package NDCs · 18 active manufacturers
Most dispensed: 100 g/100g · Powder · #100 g/bag · 10 mg/mL · Injection · #1 vial/carton / 10 ml in 1 vial · 100 g/100g · Powder · #1000 g/bag · 50 mg/10mL · Injection · #5 vial, single-doses/carton / 10 ml in 1 vial, single-dose
18 companies supply this market — deep enough that no single failure threatens the supply.
Other molecules FDA puts in Oxidation-Reduction Agent, 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.