Ultra Strength Antacid

NDC 83455-171 · UNITED NATURAL FOODS, INC. DBA UNFI

Generic nameCalcium carbonate

Dosage formTABLET, CHEWABLE

RouteORAL

Active ingredient(s)CALCIUM CARBONATE

Strength1000 mg/1

Pharmacologic classBlood Coagulation Factor [EPC], Calcium [CS], Cations, Divalent [CS], Increased Coagulation Factor Activity [PE], Phosphate Binder [EPC], Phosphate Chelating Activity [MoA]

Marketing categoryOTC MONOGRAPH DRUG

Packages

83455-171-68 — 72 TABLET, CHEWABLE in 1 BOTTLE (83455-171-68)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

83324-221 — Calcium Carbonate, 83324-225 — Calcium carbonate, 83324-263 — QC Antacid Soft Chews, Cherry, 83324-313 — Antacid Tablets (Calcium Carbonate), 83324-314 — Antacid Tablet (Calcium Carbonate), 83324-315 — Antacid Tablets (Calcium Carbonate), 83324-316 — Antacid Tablets (Calcium Carbonate), 83324-317 — Antacid Tablets (Calcium Carbonate), 83324-318 — Antacid Tablets (Calcium Carbonate), 83455-127 — Calcium carbonate, 83455-173 — Calcium carbonate, 83455-175 — Calcium carbonate, 83698-002 — Antacid, 83698-010 — Calcium Carbonate, 83698-011 — Calcium Carbonate, 83698-130 — Calcium Carbonate, 83698-134 — Calcium Carbonate, 83698-135 — Calcium Carbonate, 83698-136 — Calcium Carbonate, 83698-137 — Calcium Carbonate, +648 more

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.