The short version
Only one company currently supplies this market — there is no backup if it stumbles.
Market view
1 marketed package NDCs · 1 active manufacturer
Most dispensed: CALCIUM CARBONATE 750 mg · Tablet, Chewable · #90 tablet, chewables/bottle, plastic · CALCIUM CARBONATE 750 mg · Tablet, Chewable · #96 tablet, chewables/bottle, plastic · CALCIUM CARBONATE 500 mg · Tablet, Chewable · #150 tablet, chewables/bottle, plastic · CALCIUM CARBONATE 1000 mg · Tablet, Chewable · #160 tablet, chewables/bottle, plastic
Only one company currently supplies this market — there is no backup if it stumbles.
Every detected change for antacid, 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 Phosphate Binder, 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.