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Market view

calcium carbonate, magnesium hydroxide · Suspension

3 marketed package NDCs · 3 active manufacturers

Most dispensed: 1000 mg; 200 mg · Tablet, Chewable · #10 tablet, chewables/package · 1000 mg; 200 mg · Tablet, Chewable · #72 tablet, chewables/bottle, plastic · 135 mg/5mL; 400 mg/5mL · Liquid · #355 mL/bottle

The short version

Just 3 companies supply this market — thin enough that a single exit would be felt immediately.

What changed in the last 90 days

Every detected change for calcium carbonate, magnesium hydroxide, newest first — price moves, shortages, recalls, and manufacturers entering or leaving. Detected by comparing each day’s federal data against the day before.

  • Mfr exited
    Geri-Care Pharmaceuticals, Corp · calcium carbonate, magnesium hydroxide
  • Supreme AntacidSep 2, 2026
    Mfr exited
    H E B · calcium carbonate, magnesium hydroxide
  • Mfr exited
    Cvs · calcium carbonate, magnesium hydroxide
  • Mfr entered
    Geri-Care Pharmaceuticals, Corp · calcium carbonate, magnesium hydroxide
  • Supreme AntacidAug 26, 2026
    Mfr entered
    H E B · calcium carbonate, magnesium hydroxide
  • Supreme AntacidAug 26, 2026
    Mfr entered
    Discount Drug Mart, Inc · calcium carbonate, magnesium hydroxide
  • Mfr entered
    Cvs · calcium carbonate, magnesium hydroxide
  • Mfr exited
    Discount Drug Mart, Inc · calcium carbonate, magnesium hydroxide
  • Mfr exited
    Geri-Care Pharmaceuticals, Corp · calcium carbonate, magnesium hydroxide
  • Supreme AntacidJul 29, 2026
    Mfr exited
    H E B · calcium carbonate, magnesium hydroxide

Same drug class

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.

Common questions

Is Calcium carbonate, magnesium hydroxide in shortage right now?
No. FDA does not currently list Calcium carbonate, magnesium hydroxide in shortage. This page is rebuilt every morning from FDA's shortage database, so a new posting appears here the day it is published.
Who makes Calcium carbonate, magnesium hydroxide?
8 companies have marketed Calcium carbonate, magnesium hydroxide in the last 30 days, according to the FDA NDC Directory. Every manufacturer and package is listed on this page.

All marketed products

Expand a strength to see its dosage forms, then package sizes, then each manufacturer and NDC. Click an NDC for its full detail page.